Manual of
章节目录
共 104 段- 41. Lythraceae (p. 184). Calyx-lobes valvate. Pod free, but
- Cryptogamous plants with a distinct axis (stem and branches)
- Fertile flowers in a short catkin, head, or strobile. URTIC
- 1. A. patens, L., var. Nuttalliana, Gray. (PASQUE-FLOWER.) V
- R. PARVIFLORUS, L. Hairy, slender and diffuse; lower leaves
- 4. Jeffersonia. Petals and stamens usually 8; anthers openin
- [*] Corolla bigibbous or 2-spurred, the 2 outer petals alike
- 1. D. ramosissima, Desv. _Diffusely much branched_ and formi
- 1. P. graveolens, Raf. Leaves with 3 oblong leaflets; stamen
- 5. Lychnis. Calyx 5-toothed, 10-nerved. Styles 5, rarely 4.
- 4. S. nodosa, Fenzl. Perennial, tufted, glabrous, or glandul
- 3. Callirrhoe. Involucel of 1--3 bractlets or none. Petals t
- G. MOLLE, L. Like the last; more pubescent; flowers dark pur
- 3. R. Caroliniana, Walt. Thornless shrub or small tree; leav
- Flower very irregular. Calyx persistent, of 5 sepals, of whi
- 6. GENISTA, L. WOAD-WAXEN. WHIN.
- Calyx 5-toothed. Corolla usually long and narrow; standard n
- 7. L. angustifolia, Ell. Like the last, but mostly appressed
- Flowers polygamous, regular. Calyx minute, 5-toothed. Petals
- 3. G. macrophyllum, Willd. Bristly-hairy, stout (1--3 deg. h
- 1. P. coronaria, L. (AMERICAN CRAB-APPLE.) _Leaves ovate_, o
- Calyx short, coherent with the base of the ovary, 5-cleft. P
- _Shrubs or trees, with alternate simple leaves and deciduous
- 3. Epilobium. Seeds silky-tufted. Flowers small, not yellow.
- 3. M. nuda, Torr. & Gray. More slender, 1--5 deg. high; leav
- 1. A. Curtisii, Buckley. Glabrous; leaves twice ternate or t
- 1. L. divaricatus, DC. Plant 1--2 deg. high, with branches a
- 5. Linnaea. Stamens 4, one fewer than the lobes of the corol
- Var. tenuifolia, Gray. Slender, lax, diffuse, 6--12' high, w
- 9. Trilisa. Pappus minutely barbellate. Corolla rose-purple.
- 5. V. Noveboracensis, Willd. Rather tall; leaves long-lanceo
- Heads few--many-flowered, radiate; the rays 1--16, pistillat
- Heads many-flowered, radiate; the rays numerous, pistillate.
- 30. A. ericoides, L. Smooth or sparingly hairy (1--3 deg. hi
- Heads rather many-flowered, discoid; flowers as in Pluchea,
- Heads many-flowered, radiate; the rays 6--9, fertile. Involu
- Heads many-flowered, radiate; rays mostly 8, neutral, rarely
- A. PTARMICA, L. (SNEEZEWORT.) _Leaves simple, lance-linear_,
- [+][+] _Leaves green both sides, or only with loose cobwebby
- Heads few-flowered. Involucre cylindrical, of several narrow
- SUBORDER IV. Monotropeae. (INDIAN-PIPE FAMILY.) Flowers near
- 1. C. hypnoides, Don. Tufted and procumbent, moss-like (1--4
- Calyx of 2--5 lanceolate bract-like scales, deciduous. Corol
- Calyx 4--6-lobed. Corolla 4--6-lobed, convolute in the bud.
- [+][+] _Flowers small; hoods 1'' long, equalling the anthers
- 3. S. brachiata, Ell. _Stem slightly angled_, simple below (
- 7. P. reptans, Michx. _Runners creeping_, bearing _roundish-
- [*] _Racemes panicled, leafy-bracteate at base; slender pedi
- C. ARVENSIS, L. (BINDWEED.) Perennial; stem procumbent or tw
- Calyx prismatic, 5-toothed, separating transversely above th
- 1. L. aquatica, L., var. tenuifolia, Hoffm. Leaves (with no
- Calyx oblique, tubular, 10--12-ribbed, 5-toothed; the poster
- 1. C. speciosa, Warder. A large and tall tree, with thick ba
- 2. T. occidentale, Gray. _Loosely pubescent; calyx villous w
- 3. S. lanceolata, Willd. _Puberulent_ or nearly glabrous, 5-
- Calyx top-shaped, 5-nerved, with 5 nearly equal teeth which
- Sec. 1. _Utricle thin, circumscissile, the top falling away
- Flowers perfect, single and sessile in the axils of the uppe
- P. ORIENTALE, L. (PRINCE'S FEATHER.) Tall branching annual,
- Flowers perfect. Calyx cylindric-campanulate above the persi
- E. HELIOSCOPIA, L. Stems ascending (6--12' high), stout; _le
- Flowers monoeciously polygamous. Calyx 5--6-parted, persiste
- 2. Alnus. Stamens 4. Fertile scales thick, entire, persistin
- 12. Q. coccinea, Wang. (SCARLET OAK.) _Cup top-shaped, or he
- [+] _Tall shrubs, 4--10 deg. high; leaves lanceolate or ovat
- 2. P. alba, Link. (WHITE SPRUCE.) _Branchlets glabrous_; lea
- Sepals and petals spreading, oblong; the latter rather narro
- 2. H. integra, Spreng. Root of very fleshy fibres (or some o
- (Addendum) 2^a. I. hexagona, Walt. Stems flexuous, often low
- 10. S. lanceolata, L. _Leaves thinnish_, rather deciduous,
- 1. E. Americanum, Ker. (YELLOW ADDER'S-TONGUE.) Scape 6--9'
- Perianth funnel-form, 2-lipped; the 3 upper divisions united
- 18. J. pelocarpus, E. Meyer. Stems slender and erect from a
- Spathe hooded-shell-form, pointed, very thick and fleshy, de
- 3. T. maritima, L. Scape (1--3 deg. high) and leaves thickis
- Flowers perfect, 2 or more approximated on a slender spadix,
- Sec. 4. DICLIDIUM. _Style 3-cleft; spikelets narrow, terete
- 3. S. planifolius, Muhl. _Culms triangular, leafy_ at base;
- Sec. 2. CERATOSCHOENUS. _Spikelets lanceolate, acuminate, in
- 4. C. folliculata, L. Stout, 2--3 deg. high; leaves very bro
- Var. hyperborea, Boott. Somewhat stoloniferous, low, often s
- 64. C. Torreyi, Tuckerm. Stiff, 1--11/2 deg. high; culm and
- 99. C. stenophylla, Wahl. Stiff, 3--8' high; leaves involute
- 130. C. foenea, Willd. Slender, erect or the top of the culm
- Spikelets jointed upon the pedicels, 1--2-flowered (only one
- Flowers crowded in one-sided panicled spikes or racemes, per
- [*][*] _Styles united below, slender; culms tufted, naked; l
- With the characters of Agrostis; distinguished by the presen
- Spikelets 2--6-flowered, with a terminal imperfect flower or
- Spikelets several-flowered, crowded in one-sided clusters, f
- 2. B. ciliatus, L. Panicle compound, very loose, the elongat
- [*][*][*] Sporangia at or near the ends of the unconnected v
- 1. C. rhizophyllus, Link. Fronds evergreen, sub-coriaceous,
- 1. O. regalis, L. (FLOWERING FERN.) Very smooth, pale green
- 6. I. Engelmanni, Braun. Leaves long (25--100, 9--20' long),
- 3. R. tenax, Lindb. Stems brownish-green, rigid, tenacious;
- Leaves succubous, dorsally decurrent, obliquely ovate-oblong
- 1. G. concinnatum, Corda. Stems simple or imbricately branch
- Thallus at first radiately divided, the centre often soon de
- _Attenuate._ Slenderly tapering, becoming very narrow.
- _Papillose._ Bearing minute nipple-shaped projections.
- Carex, 587
- Pyrola, 323
- TRISETUM.--(1) A spikelet of T. subspicatum, var. molle, exp