Spikelets several-flowered, crowded in one-sided clusters, forming a

branching dense panicle. Glumes all herbaceous, keeled, awn-pointed,

rough-ciliate on the keel; the flowering one 5-nerved, the upper most

commonly smaller and thinner. Stamens 3. Grain lance-oblong, acute,

free.--Stout tufted perennial; leaves keeled. (_Dactylos_, a name in

Pliny for a grass with digitate spikes, from [Greek: da/ktylos], _a

finger_.)

D. GLOMERATA, L. Rough, rather glaucous (3 deg. high); leaves broadly

linear; branches of the panicle naked at base; spikelets

3--4-flowered.--Fields and yards, especially in shade. June. (Nat. from

Eu.)

63. BRIZA, L. QUAKING GRASS. (Pl. 10.)

Spikelets many-flowered, ovate or heart-shaped, flattish-tumid; the

flowers closely imbricated. Glumes roundish, unequal, purplish, very

concave or ventricose, 3--5-nerved; the flowering ventricose on the

back, heart-shaped at the base, papery-membranaceous and becoming dry,

scarious-margined, obscurely many-nerved; the palet much smaller, ovate,

flat. Stamens 3. Stigmas branched-plumose. Grain flattened parallel with

the glumes, adhering to the palet.--Leaves flat; panicle loose, diffuse,

with large showy spikelets often drooping on delicate pedicels. ([Greek:

Bri/za], the Greek name of a kind of grain.)

B. MEDIA, L. Panicle erect, the branches spreading; spikelets

5--9-flowered (3'' long); lower glumes shorter than the first flowering

one; root perennial.--Pastures; sparingly eastward. June. (Adv. from

Eu.)

64. POA, L. MEADOW-GRASS. SPEAR-GRASS. (Pl. 10.)

Spikelets ovate or lance-ovate, laterally compressed, several- (2--10-)

flowered, in an open panicle. Empty glumes mostly shorter than the

flowers, the lower smaller; flowering glume membranaceo-herbaceous, with

a delicate scarious margin, compressed-keeled, pointless, 5-nerved (the

intermediate nerves more obscure or obsolete), the principal nerves

commonly clothed with soft hairs at and toward the often cobwebby base;

palet membranaceous, 2-toothed. Stamens 2 or 3. Stigmas simply plumose.

Grain oblong, free.--Culms tufted, from perennial roots, except n. 1.

Leaves smooth, usually flat and soft. ([Greek: Po/a], an ancient Greek

name for grass or fodder.)

[*] _Low and spreading (3--6' high) from an annual or biennial root,

flaccid; branches of the short panicle single or in pairs._

P. ANNUA, L. (LOW SPEAR-GRASS.) Culms flattened; panicle often 1-sided,

usually short and pyramidal, sometimes more slender (P.

cristata, _Chapm._); spikelets crowded, very short-pedicelled,

3--7-flowered.--Cultivated and waste grounds, everywhere. April--Oct.

(Nat. from Eu.)

[*][*] _Low; the culms (6--20' long) geniculate-ascending from a running

rootstock, rigid, very much flattened; panicle simple and contracted._

P. COMPRESSA, L. (WIRE-GRASS. ENGLISH BLUE-GRASS.) (Pl. 10, fig. 1--4.)

Pale, as if glaucous; leaves short; panicle dense and narrow, somewhat

one-sided (1--3' long), the short branches mostly in pairs; spikelets

almost sessile, 3--10-flowered, flat.--Dry, mostly sterile soil, in

waste places; rarely in woods. (Nat. from Eu.)

[*][*][*] _Low alpine or alpestrine species, erect, in perennial tufts._

[+] _Soft and flaccid, smooth or nearly so, even to the branches of the

panicle; leaves short and flat, short-pointed; ligule elongated._

1. P. alpina, L. Culms rather stout (8--14' high); _leaves broadly

linear_, especially those of the culm (11/2--2' long, 11/2--3'' wide);

_panicle short and broad_; spikelets broadly ovate, 3--9-flowered (about

3'' long); flowering glume villous on the midrib and margins.--N. Maine

(?), Isle Royale and north shore of Lake Superior, and northward. (Eu.)

2. P. laxa, Haenke. Culms slender (4--9' high); _leaves narrow; panicle

somewhat raceme-like, narrow_, often one-sided and nodding; spikelets

2--4-flowered, one half smaller.--Alpine mountain-tops of Maine, N. H.,

and N. New York, and high northward (Eu.)

[+][+] _More strict and rigid, roughish, especially the panicle; ligule

short._

3. P. nemoralis, L. Culms 6--20' high; leaves narrow, short, soon

involute; branches of the panicle 2--5 together, very scabrous;

spikelets purplish (or sometimes pale), 2--5-flowered; lower _glumes

ovate-lanceolate and taper-pointed_, the flowering lanceolate, somewhat

webby at base, villous on the keel and margins below the middle, its

nerves obscure. (P. caesia, _Smith._)--The more common form has a usually

narrow somewhat nodding panicle, with short ascending branches, the

small pale or purplish spikelets 2-flowered. Lab. to N. Maine and N.

Vt.; Lake Champlain (_Pringle_); N. shore of L. Superior to N. Iowa, and

westward.--A form with somewhat stouter and stricter habit, the darker

or often pale spikelets 3--5-flowered (P. caesia, var. strictior,

_Gray_), corresponds nearly to the European P. caesia. High mountains of

N. H. and Vt., and Gardner's Island, L. Champlain (_C. E. Faxon_), Isle

Royale and N. shore of L. Superior, and westward.--Also a form with the

branches of the short panicle broadly divaricate; N. Wisc. (_Lapham_).

(Eu.)

[*][*][*][*] _Taller (1--3 deg.) meadow or woodland grasses; panicle open._

[+] _Spikelets mostly very numerous and crowded on the rather short

rough branches (usually in fives) of the oblong or pyramidal panicle,

green, or sometimes violet-tinged; flowers acute, crowded, more or less

webbed at base._

4. P. serotina, Ehrhart. (FALSE RED-TOP. FOWL MEADOW-GRASS.) Culms

tufted without running rootstocks; leaves narrowly linear, soft and

smooth; _ligules elongated; spikelets_ 2--4- (rarely 5-) flowered

(1--2'' long), _all short-pedicelled_ in an elongated panicle, often

tinged with dull purple; flowers and glumes narrow; _flowering glume

very obscurely nerved_.--Wet meadows and low banks of streams; common,

especially northward. July, Aug.--A good grass for moist meadows. (Eu.)

5. P. pratensis, L. (JUNE GRASS. SPEAR GRASS. KENTUCKY BLUEGRASS.) Culms

sending off copious _running rootstocks_ from the base, and the _sheaths

smooth; ligule short and blunt_; panicle short-pyramidal; _spikelets_

3--5-flowered, _crowded_, and mostly _almost sessile_ on the branches,

ovate-lanceolate or ovate; _flowering glume 5-nerved, hairy on the

margins_ as well as keel.--Common in dry soil; imported for pastures and

meadows. Indigenous in mountain regions from N. Penn. to New Eng., and

northward. May--July. (Eu.)

P. TRIVIALIS, L. (ROUGHISH MEADOW-GRASS.) Culms erect from a somewhat

decumbent base, but no distinct running rootstocks; _sheaths and leaves

more or less rough; ligule oblong, acute_; panicle longer or with the

branches more distant; spikelets mostly 3-flowered, broader upward;

_flowering glume prominently 5-nerved, naked at the margins_; otherwise

nearly as in the preceding.--Moist meadows, etc. July. (Nat. from Eu.)

[+][+] _Spikelets fewer and more scattered, on slender pedicels; plants

soft and smooth, flowering early. (No running rootstocks, except in

n. 10.)_

[++] _Spikelets small (1--2'' long), pale green, rather loosely

2--4-flowered; flowers oblong, obtuse; flowering glume scarcely

scarious-tipped; culm-leaves lance-linear, acute, 1--3' long._

6. P. sylvestris, Gray. _Culm flattish_, erect; branches of the

oblong-pyramidal panicle short, numerous, in fives or more; _flowering

glumes villous on the keel its whole length, and on the margins below

the middle_, sparingly webbed at base.--Rocky woods and meadows, western

N. Y. to Wisc., Kan., and southward. June.

7. P. debilis, Torr. _Culms terete_, weak; branches of the small panicle

few and slender (the lower l1/2--2' long to the few spikelets), in pairs

and threes; _flowers very obtuse, smooth and glabrous_, except a sparing

web at base.--Rocky woodlands, R. I. to Penn. and Wisc. May.

[++][++] _Spikelets 2'' long, light green; oblong-lanceolate flowers and

glumes acute._

8. P. alsodes, Gray. Leaves rather narrowly linear, acute, the uppermost

(21/2--4' long) often sheathing the base of the narrow and loose panicle,

the capillary branches appressed when young, mostly in threes or fours;

flowering glume very obscurely nerved, villous on the keel below, and

with a narrow cobwebby tuft at base, otherwise glabrous.--Woods, on

hillsides, N. Eng. to Penn. and Va., west to Wisc. May, June.

[++][++][++] _Spikelets larger (3--4'' long), pale green, rarely

purple-tinged, few and scattered at the ends of the long capillary

branches (mostly in pairs or threes) of the very diffuse panicle;

flowers 3--6, loose, oblong and obtuse, as is the larger glume;

flowering glume conspicuously scarious at the apex, villous below the

middle on the keel and margins; culms flattish, smooth._

9. P. flexuosa, Muhl. (not of Wahl.) Culms 1--3 deg. high, tufted, its

_leaves all linear (2--5' long), gradually taper-pointed; panicle very

effuse_ (its branches 2--4' long to the 4--6-flowered spikelets or first

ramification); _flowering glume prominently nerved, no web_ at the

base.--Dry woods, Penn. and Del. to Ky., and southward. Feb.--May.--Near

the last.

10. P. brevifolia, Muhl. Culms 1--11/2 deg. high from _running rootstocks_,

2--3-leaved, the _upper leaves very short (1/2--2' long), lanceolate, all

abruptly cuspidate-tipped_; branches of the short panicle mostly in

pairs; spikelets 3--4-flowered; _flowering glume rather obscurely

nerved, cobwebby at base_.--Rocky or hilly woodlands, Penn., Va., and

sparingly westward to Ky. and Ill. April, May.--Culm scarcely surpassing

the long root-leaves.

65. GRAPHEPHORUM, Desv. (Pl. 10.)

Spikelets 2--4-flowered, compressed, the rhachis pilose on one side,

jointed, produced above the flowers into a hairy pedicel. Empty glumes

thin-membranaceous, acute, carinate, mostly nearly equalling the remote

flowers; flowering glume thin and membranaceous or scarious, convex,

scarcely keeled, faintly nerved, entire, pointless and awnless. Stamens

3. Stigmas plumose. Ovary glabrous.--Perennial, with linear flat leaves,

their sheaths closed at base, the spikelets in a loose panicle. (Named

from [Greek: graphi/s], _a pencil_, and [Greek: phe/ro], _to bear_, from

the terminal hairy pedicel.)

1. G. melicoideum, Desv. Culm 1--2 deg. high; leaves roughish; panicle open;

glumes unequal, lanceolate, their midrib and the pedicels rough.--N.

Maine, N. Vt., Upper Mich., and northward; rare.--Var. MAJUS, Gray, is a

luxuriant form, 2--3 deg. high, with ampler panicle; borders of a swamp,

Macomb Co., Mich. Aug.

66. SCOLOCHLOA, Link.

Spikelets 2--4-flowered, subterete. Rhachis hairy at the base of the

flowers, ending in a naked pedicel. Empty glumes concave, membranaceous,

unequal, the outer 3-nerved, acute, the inner 5-nerved, toothed at the

apex, nearly equalling the flowers; flowering glume more rigid,

prominently 7-nerved, toothed at the apex; nerves all parallel. Stamens

3. Stigmas plumose. Ovary hairy.--Tall perennials, growing in water,

with loosely sheathing leaves, and spikelets in a lax panicle. (Name

probably from [Greek: sko~los], _a prickle_, and [Greek: chlo/a],

_grass_.)

1. S. festucacea, Link. Stout, 3--4 deg. high, smooth; leaves rough on the

margins; panicle suberect; spikelets 3--4'' long. (Festuca borealis,

_Hook_.)--Emmet Co., Iowa (_Cratty_), and northward.

67. GLYCERIA, R. Br. MANNA-GRASS. (Pl. 10.)

Spikelets terete or flattish, several--many-flowered; the flowers mostly

early deciduous by the breaking up of the rhachis into joints, leaving

the short and unequal 1--3-nerved membranaceous lower glumes behind.

Flowering glume and palet naked, of a rather firm texture, nearly equal;

the glume rounded on the back, scarious (and sometimes obscurely

toothed) at the blunt or rarely acute summit, glabrous, prominently

5--7-nerved, the nerves parallel and separate. Squamulae fleshy and

truncate, or none. Stamens commonly 2. Styles present; stigmas

compoundly plumose. Ovary smooth. Grain oblong, free, the furrow very

narrow or none.--Perennial smooth marsh grasses, mostly with creeping

bases or rootstocks; spikelets panicled. (Name from [Greek: glykero/s],

_sweet_, in allusion to the taste of the grain.)

[*] _Spikelets ovate, oblong, or linear-oblong, 1--3'' in length_,

[+] _At length nodding in an open panicle, flattish laterally but

turgid._

1. G. Canadensis, Trin. (RATTLESNAKE-GRASS.) Culm stout, 2--3 deg. high;

leaves long, roughish; panicle oblong-pyramidal, at length drooping;

spikelets ovate, at length very broad and tumid, Briza-like, 2'' long,

pale, with purplish glumes; flowering glume acute or blunt-pointed,

firm, with not very prominent nerves, longer than the rounded

palet.--Bogs and wet places; common from Penn. to E. Kan., and

northward. July.

[+][+] _Erect in a narrow contracted panicle, somewhat flattened and

turgid._

2. G. obtusa, Trin. Culm stout, 1--2 deg. high, very leafy; leaves long,

smooth; _panicle narrowly oblong, dense_ (3--5' long); spikelets

3--7-flowered, 2--3'' long; flowering glume obtuse.--Bogs, E. New Eng.

to Penn. and southward, near the coast.

3. G. elongata, Trin. Leaves very long (1 deg. or more), rough; _panicle

narrowly racemose, elongated_ (1 deg. long), _recurving_; the branches and

3--4-flowered spikelets _appressed_; flowering glume obtuse.--Wet woods,

N. Eng. to Mich., Minn., and northward; Roan Mt., N. C. (_Scribner_).

July--Aug.

[+][+][+] _Diffuse; flower-glume truncate-obtuse, strongly 7-nerved;

palet 2-toothed._

4. G. nervata, Trin. (FOWL MEADOW-GRASS.) (Pl. 10, fig. 1--3.) Culm

erect, 1--3 deg. high; leaves rather long; branches of the loose _panicle_

capillary, _at length drooping, the numerous small spikelets_ (1--2''

long, commonly purplish) _ovate-oblong_, 3--7-flowered.--Moist meadows;

common. June.

5. G. pallida, Trin. Culms slender, 1--3 deg. long, ascending from a

creeping base; leaves short, sharp-pointed, pale; _branches of the

rather simple panicle slender, erect-spreading_, rough; the _spikelets

usually few, somewhat appressed, oblong-linear_, 5--9-flowered (pale,

2--3'' long); _flowering glume minutely 5-toothed_; the palet

lanceolate, conspicuously 2-toothed.--Shallow water; Maine to Va., west

to Ky., Ind., and Mich.; common, especially northward. July.

6. G. grandis, Watson. (REED MEADOW-GRASS.) Culm stout, upright, 3--5 deg.

high; leaves large (1--2 deg. long, {1/3}--1/2' wide); _panicle much branched,

ample_ (8--15' long), _the numerous branches ascending, spreading with

age; spikelets oblong or linear-oblong_, 3--6-flowered (usually

purplish, 2--3'' long); _flowering glume entire_. (G. aquatica of Amer.

authors.)--Wet grounds; N. Eng. to western N. Y., Mich., Minn., and

westward.

[*][*] _Spikelets linear (1/2--1' long), pale, appressed on the branches

of the long narrow racemose panicle, terete except during anthesis;

palets minutely roughish, the upper 2-toothed; squamulae unilateral or

united; ligule long; culm flattened (1--5 deg. high), ascending from a

rooting base._ (Glyceria, _R. Br._)

7. G. fluitans, R. Br. Panicle 1 deg. long; the simple branches appressed,

finally spreading below; leaves short and rather broad, very smooth;

spikelets 7--13-flowered; _flowering glume oblong, obtuse_, or the

scarious tip acutish, entire or obscurely 3-lobed, usually rather longer

than the blunt palet.--Shallow water; common. June--Aug.

8. G. acutiflora, Torr. Spikelets 5--12-flowered, few and scattered;

_flowering glume oblong-lanceolate, acute, shorter than the long

tapering point of the palet_.--Wet places, Penn. to Maine; rather rare.

June.--Resembles the last; but the erect leaves smaller, the separate

flowers twice the length (4'' long), and less nerved.

68. PUCCINELLIA, Parl. (Pl. 16.)

Characters as in Glyceria, but the flowering glumes inconspicuously or

obsoletely 5-nerved; squamulae thin and distinct; stigmas sessile and

simply plumose; grain compressed, often broadly furrowed.--Mostly saline

species; perennial. (Named for Prof. _Benedetto Puccinelli_, an Italian

botanist.)

1. P. maritima, Parl. (GOOSE-GRASS. SEA SPEAR-GRASS.) _Root

stoloniferous_; culms erect, 1--11/2 deg. high; _leaves involute, acute or

pungent_; lower _branches of the narrow panicle often solitary or in

pairs, appressed_ or more or less spreading; spikelets 3--6'' long,

oblong or linear, 4--9-flowered; flowering glumes rounded at the summit,

11/2'' long. (Glyceria maritima, _Wahl._ Atropis maritima,

_Griseb._)--Marshes along the coast; not rare, and somewhat variable in

the form of the panicle and size of the glumes. (Eu.)

Var. (?) minor, Watson. Culms low and slender, from very slender

creeping rootstocks; leaves very narrow and involute; ligule long;

panicle short and very narrow; spikelets 2--4-flowered, the flowers 1''

long or less.--Shore of Mt. Desert Island (_E. L. Rand_); Labrador

(_J. A. Allen_).--Probably rather a form of the western P. airoides (Poa

airoides, _Nutt._).

2. P. distans, Parl. _Not stoloniferous_; culms rather stout, geniculate

below; _leaves mostly flat, short_; ligule short; _lower branches of the

panicle in fours or fives_, usually more or less naked at base, soon

_spreading_ and at length deflexed; spikelets 2--3'' long,

3--6-flowered; flowering glume truncate-obtuse, 1/2--1'' long. (Glyceria

distans, _Wahl._ Atropis distans, _Griseb._)--Salt marshes along the

coast and on ballast; apparently much rarer than the last, and perhaps

not native. (Eu.)

69. FESTUCA, L. _Fescue-grass_. (Pl. 10.)

Spikelets 3--many-flowered, panicled or racemose; the flowers not webby

at base. Lower glumes unequal, mostly keeled. Flowering glumes

chartaceous or almost coriaceous, roundish (not keeled) on the back,

more or less 3--5-nerved, acute, pointed, or often bristle-awned from

the tip, rarely blunt; the palet mostly adhering at maturity to the

enclosed grain. Stamens 1--3.--Flowers, and often the leaves, rather dry

and harsh. (An ancient Latin name of some kind of grass, of uncertain

meaning.)

[*] _Flowers awl-shaped, bristle-pointed or awned from the tip; panicle

contracted._

[+] _Annuals or biennials, slender, 5--18' high; leaves

convolute-bristle-form._

F. MYURUS, L. Panicle spike-like, one-sided; spikelets about 5-flowered;

lower glumes very unequal; _awn much longer than the flowering glume_,

fully 6'' in length; stamen 1.--Dry fields, Nantucket, Mass., to Del.,

and southward. July. (Nat. from Eu.)

1. F. tenella, Willd. Panicle spike-like, one-sided, or more compound

and open; spikelets 7--13-flowered; _awn 1--3'' long or more, usually

shorter than or about equalling the glume_; stamens 2.--Dry sterile

soil, especially southward. June, July.

[+][+] _Perennial, tufted, 6--24' high; stamens 3._

2. F. ovina, L. (SHEEP'S FESCUE.) Glaucous, 1/2--2 deg. high; leaves mostly

radical, very narrow and convolute; panicle somewhat one-sided, short,

usually more or less compound, open in flowering; spikelets

3--8-flowered; awn not more than half the length of the flower, often

much shorter or almost wanting.--Indigenous in northern New Eng., about

Lake Superior, and northward; naturalized farther south as a pasture

grass. June.--Varies greatly.--Var. VIVIPARA, L. (which with us has

running rootstocks), a state with the spikelets partially converted into

leafy shoots, is found on the alpine summits of the White Mts., and high

northward.--Var. DURIUSCULA, Koch, is a tall form, with spikelets rather

larger, usually in a more compound panicle; culm-leaves often flat or

less convolute, and the lower with their sheaths either smooth or hairy.

New Eng. to Va., and westward, as a naturalized plant, and indigenous

northward. A native form of this variety with a lax panicle,

2--4-flowered spikelets, and slender awns nearly as long as the glume

(var. rubra, of last ed.), is found on Keweenaw Peninsula (_Robbins_)

and Isle Royale, L. Superior (_Gilman_). (Eu.)

[*][*] _Flowers oblong or lanceolate, awnless or nearly so (11/2--4''

long); grain often free! (Root perennial; culms mostly tall; leaves

flat.)_

3. F. nutans, Willd. Culm 2--4 deg. high, naked above; leaves broadly

linear, taper-pointed, dark green, often rather hairy; _panicle of

several long and slender spreading branches_, mostly in pairs,

_drooping_ when old, rough, naked below, bearing near their extremity a

few ovate 3--5-flowered spikelets (3'' long) on pretty long pedicels;

_flowers ovate-oblong, rather obtuse, close together_, coriaceous,

smooth, very obscurely 5-nerved.--Rocky woods and copses. July.--A

common form with the panicle more or less contracted and somewhat erect

has been distinguished as F. Shortii.

F. ELATIOR, L. (TALLER or MEADOW FESCUE.) (Pl. 10, fig. 1--3.) _Panicle

narrow_, contracted before and after flowering, _erect, with short

branches_; spikelets crowded, 5--10-flowered; _flowers rather remote,

oblong-lanceolate_; flowering glume 5-nerved, scarious-margined, blunt,

acute, or rarely with a distinct but very short awn.--The type is large,

3--4 deg. high; spikelets about 6'' long, in an ample and compound panicle.

Rich grass-land.--Var. PRATENSIS, Gray (F. pratensis, _Huds._), is lower

(1--3 deg. high), with a simpler or close panicle of smaller or narrower

spikelets, and abounds in grass-lands. June--Aug. (Nat. from Eu.)

F. GIGANTEA, Vill. Erect, glabrous, 3--4 deg. high; leaves bright green,

3--6'' broad; panicle very loose, nodding; spikelets 3--6-flowered;

flowering glumes 3'' long, with a slender awn of twice the length.--Of

rare occurrence near the coast. (Nat. from Eu.)

70. BROMUS, L. BROME-GRASS. (Pl. 10.)

Spikelets 5--many-flowered, panicled. Glumes unequal, membranaceous; the

lower 1--5-, the upper 3--9-nerved. Flowering glume either convex on the

back or compressed-keeled, 5--9-nerved, awned or bristle-pointed from

below the mostly 2-cleft tip; palet at length adhering to the groove of

the oblong or linear grain. Stamens 3. Styles attached below the apex of

the ovary.--Coarse grasses, with large spikelets, at length drooping, on

pedicels thickened at the apex. (An ancient name for the Oat, from

[Greek: bro/mos], _food_.)

Sec. 1. _Flowering glume oblong, turgid, and convex on the back; the

flowers imbricated over one another before expansion; lower empty glume

distinctly 3--5-nerved, the upper 5--9-nerved._

[*] _Perennial; indigenous. Lower glume strongly 3-nerved, the upper

5-nerved._

1. B. Kalmii, Gray. (WILD CHESS.) Culm slender (11/2--3 deg. high); leaves and

sheaths conspicuously or sparingly hairy; panicle simple, small (3--4'

long); spikelets drooping on capillary peduncles, closely

7--12-flowered, densely silky all over; awn only one third the length of

the lance-oblong flower; flowering glume 7--9-nerved, much longer and

larger than the palet.--Dry ground, N. Eng. to Penn., Mo., Minn., and

northward. June, July.

[*][*] _Annuals or biennials, introduced into grain-fields, or rarely in

waste grounds._

B. SECALINUS, L. (CHEAT or CHESS.) (Pl. 10, fig. 1, 2.) _Panicle

spreading, even in fruit_, the drooping peduncles little branched;

_spikelets oblong-ovate, turgid, smooth_, of 8--10 rather distant

flowers; glume rather longer than the palet, short-awned or awnless;

sheaths nearly glabrous.--Too common in wheat-fields. June, July. (Adv.

from Eu.)

B. MOLLIS, L. (SOFT CHESS.) _Whole plant downy; panicle more erect,

contracted in fruit; spikelets conical-ovate_, somewhat flattened;

flowers closely imbricated; _glume acute_, equalling the

awn.--Wheat-fields, N. Y. to Va.; scarce. June. (Adv. from Eu.)

B. RACEMOSUS, L. (UPRIGHT CHESS.) Very similar to the last, but nearly

glabrous or the sheaths sometimes hairy; glumes glabrous and shining.

(Adv. from Eu.)

Sec. 2. _Flowering glume somewhat convex, but keeled and laterally more or

less compressed, at least above; flowers soon separating from each

other; lower empty glume 1-nerved, the upper 3-nerved, or with an

obscure additional pair._

[*] _Perennial, tall (3--5 deg. high); flowers oblong or lanceolate._

The Manual of the Botany of the Northern United States Including the District East of the Mississippi and North of North Carolina and Tennessee · 第 90 / 104 段