Cultivated throughout the Sudan.
841 =Ischæmum brachyatherum= _Fenzl._ BEGHEIL, GHARAZ (N. Kordn.)—Arab;
NUN—Shilluk.
Perennial densely tufted grass up to over 3 ft. high; racemes in pairs
or threes, joints very stout, club-shaped. Spikelets in pairs, one
sessile, the other pedicelled and developed, the sessile spikelet
variably hairy, rendering the appearance very different. Awn to 5/12 in.
long, twisted, sometimes purplish.
Kassala Prov. (Gallabat, Matamma); Fung Prov. (Jongol’s Post); Kordofan
Prov. (near Rahad); Upper White Nile Prov.
842 =Thelepogon elegans= _Roth._
A coarse annual grass; stems tufted, as thick as a crow quill below, and
branching above, up to 2 ft. high. Leaves up to 10 in. long and 1 in.
broad, coarsely hairy on the edges and base; racemes 2-12 in number, 2-6
in. long. Pedicelled spikelets represented by linear curved pedicel.
Glumes prominently ridged on the back. Awn up to 1 in. long, kneed at
and twisted below the middle.
Kassala Prov. (Gallabat, Matamma); Fung Prov. (Jongol’s Post.).
843 =Sehima ischæmoides= _Forsk._
Annual with slender stems in small bundles, rarely over 1½ ft. high;
racemes solitary, sessile, 1-3 in. long, joints and pedicels densely
hairy; glume of sessile spikelet deeply channelled. Awn up to 1¾ in.
long, hairy, spirally twisted, brown in colour.
Nubia (Wadi Læmeb, between Suakin and Berber); Kassala Prov. (Gallabat,
Matamma); Fung Prov. (Fazoghli); Kordofan Prov. (Abu Snun).
844 =Vossia cuspidata= _Griff._ UM SUF—Arab.
A very large floating grass, perennial, one of the principal
constituents of the Sudd, copiously rooting from enlarged nodes, aerial
portion up to over 3 ft. high; racemes solitary, or 2-6 on a common
axis, 6-9 in. long, short, erect, or slightly nodding; joints about ⅓
in. long, curved, swollen, lower glume of sessile spikelets smooth with
a channelled, pointed tail up to 1 in. long; spikelets 2-flowered,
awnless.
Kordofan Prov. (Takari and Birket Rahad); Upper White Nile Prov.
(Moghren El Behur); Bahr El Jebel.
845 =Jardinea congoensis= _Franch._
Tall coarse grass up to 10 ft. high, inhabiting swampy places; racemes
very numerous, slender; spikelets 1-flowered, the lower glume of the
sessile spikelets running out into a sharp point with sharp pointed
tubercles on the back, much spreading during flowering. This grass is
used for making mats, screens and baskets on the West Coast.
Bahr El Ghazal Prov. (Bongo-land, Kulongo).
846 =Manisuris granularis= _Sw._
Much branched annual grass up to over 3 ft. high; stems leafy to the top
with shortish, soft, hairy foliage; spikes solitary, axillary and
terminal, up to 1 in. long, partly enclosed in a spathe-like sheath;
spikelets in dissimilar pairs, sessile spikelets conspicuous on account
of their grain-like appearance.
This grass occurs in open loamy soil and is a good fodder.
Kassala Prov. (Gallabat, Matamma); Bahr El Ghazal Prov. (Jur, Zeriba
Ghattas).
847 =Lasiurus hirsutus= _Boiss._
Perennial grass, more or less branched and woody below, branches often
in dense bundles; racemes at the end of the stalks enclosed in a spathe-
like sheath, up to 4½ inches long. Spikelets 2-flowered, densely hairy
all over; glume of sessile spikelet narrowed into a long divided beak.
Nubia (between Suakin and Berber, Wadi El Omari), Red Sea Prov. (Suakin,
Jebel Waratab).
848 =Elyonurus Royleanus= _Nees._
Aromatic annual grass; stems from a few inches up to 1 ft. high, erect,
tufted, especially above. Racemes 1¼-2¼ in. long, gathered in bunches,
straight, embraced by the spathe, only slightly protruding, often tinged
with red; spikelets 1-flowered, with the edges hairy, the lower glume
with brush-like tubercles on the margins.
Red Sea Prov. (L. 21° to 22° N.); Kassala Prov. (Gallabat, Matamma);
Blue Nile Prov. (Sh. Talha).
849 =Rottbœllia exaltata= _Linn. f._
A tall coarse grass up to 12 ft. high, annual; stems stout, erect,
hispid, branching from the base. Racemes stout, 3-6 in. long,
cylindrical, particularly when the spikelets are closed.
A good fodder grass.
Fung Prov. (Jongol’s Post); Bahr El Ghazal Prov. (Jur, Jur Ghattas).
850 =Ophiurus papillosus= _Hochst._
Annual grass with rather stout stems 1½-4½ ft. high, much branched, the
branches forming ultimately a rather leafy, hairy panicle. Racemes
cylindric, slender, in simple spatheate panicles; spikelets sessile,
1-flowered. Grains oblong, 1/12 of an inch long.
Kassala Prov. (Gallabat, Matamma); Fung Prov. (Jongol’s Post).
851 =Chasmopodium caudatum= _Stapf._
Annual grass up to 10 ft. high, rooting from the lower nodes. Racemes
stout, cylindric, terminal, spike-like, up to 3 in. long, with a tail
formed by the elongated glume of the terminal spikelet.
Bahr El Ghazal Prov. (Jur Ghattas).
852 =Rhytachne rottbœllioides= _Desv._
Perennial, densely tufted grass; stems 1-2½ ft. high, sometimes reddish
in colour. Leaves long, narrow, especially when folded; racemes
solitary, very slender, 3-6 in. long, wavy with longitudinal grooves;
lower glumes of spikelets with transverse ridges.
Bahr El Ghazal Prov. (Jur Ghattas, Geneina.).
=R. triaristata= _Stapf._
Annual grass up to 1½ ft. high; stems in small tufts; leaves very narrow
and folded, as above. Racemes similar to above; pedicelled spikelet
represented by a terminal pair of unequal bristles.
Bahr El Ghazal Prov. (Bongo land, Gir.).
853 =Imperata cylindrica= _Beauv._ =var. Koenigii= _Durand_ & _Schinz._
BINGBA—Zande.
Erect, perennial grass, up to 4 ft. high; leaf sheaths long, bearded at
the nodes. Panicle spike-like, 2-8 in. long, cylindric, very dense, axis
not breaking up into joints; spikelets surrounded by long white hairs,
giving the whole a silvery appearance.
This grass is used for thatching. A bad weed.
Bahr El Ghazal Prov. (Bongo land, Gir); Mongalla Prov. (Yei River).
854 =Saccharum spontaneum= _Linn._ =var ægyptiacum.= UM GHRUF
(Fung)—Arab.
Tall, perennial, grass up to 12 ft. high, many jointed, silky below the
panicles, and coated with wax below the joints. Panicle up to 1½ ft.
long and 5 in. wide, dense, plumose, silvery; axis breaking up.
This grass is largely used for thatching; the reeds are made into arrow
shafts.
Kassala Prov. (Gallabat, Matamma) Blue Nile Prov. Fung Prov. (Fazoghli,
Jongol’s Post, Harun). Darfur Prov. (in wadis). Upper Nile Prov.
(Malakal).
855 =Sorghum virgatum= _Stapf._
Annual, with slender stems branched from lower and middle nodes. Panicle
narrow, very lax, ½ to over 2 ft. long, branches erect, the lowest up to
6 in. long, fine; sessile spikelets lanceolate, finely awned, deciduous
with the pedicelled spikelet, pale straw colour, greenish in the upper
portion, occasionally flushed with purplish brown.
Widely distributed in the northern Sudan, along river; also in Kordofan
and Kassala Provinces.
=S. lanceolatum= _Stapf._
Annual, with slender stems up to 10 ft. high. Panicle 9-15 in. long,
loose, more or less nodding. Sessile spikelets lanceolate, acutely
acuminate, sparingly hairy to almost smooth, straw coloured, slightly
greenish, on maturity turning bright red, finely awned. Pedicelled
spikelets deciduous. Grain obovate oblong, compressed on the back,
yellowish above, paler below, 1/8 by 1/12 in. in size.
White Nile Prov. Upper Nile Prov.
=S. sudanense= _Stapf._ GARAWI—Arab; KAWKAW—Zande.
Tall annual, up to 10 ft. high; panicle open, pyramidal, spreading, 6-12
in. long, erect, up to 6 in. wide at the base. Sessile spikelet
lanceolate to elliptic oblong, rather acute, finely hairy (white hairs),
straw-colour to light yellow, with dull green, striate tips when young.
Awned. Pedicelled spikelets persistent. Grain oval, flattened, orange,
16 in. long.
Widely distributed in northern and central Sudan. A fodder grass of
growing importance.
=S. halepense= _Pers._ ADDAR—Arab.
Perennial, up to 5 ft. high; stems slender, springing from strong
creeping rhizomes. Panicle open and spreading, 6 in.-2 ft. long. Fertile
spikelet at first hairy, later becoming smooth; pedicelled spikelets
falling early. This grass resembles Sudan Grass, but differs in the
rootstock being perennial. It is therefore not suited to cultivation.
Khartoum Prov.
=S. arundinaceum= _Stapf._ ADDAR, ADDAR ABU SHAR (Kordn.)—Arab.
Tall annual, stems up to 12 ft. high; panicle pyramidal, larger and
denser than _S. sudanense_. Pedicelled spikelets falling, narrowed to an
acute point, oblong, not minutely-stalked; with yellowish or reddish
hairs.
A good fodder grass.
Kordofan (Khor Abu Habl). Mongalla Prov. (Yei River).
=S. verticilliflorum= _Stapf._
Annual, 4-8 ft. high. Leaf blades 1 in. broad, sometimes flushed with
purple. Panicle up to 15 in. long, pyramidal; sessile spikelets ovate to
ovate-lanceolate, shortly narrowed to a point, hairs whitish or
purplish, awn up to ½ in. long.
Bahr El Jebel (Lat. 7° N.).
=S. abyssinicum= _Stapf._
Tall annual grass; leaves up to 2½ in. wide, panicle obovate lanceolate
in shape, over 1 ft. long and about 4 in. wide; sessile spikelets ovate-
oblong to elliptic-oblong, acute, with pale yellow hairs; awns up to 1
in. long.
Kassala Prov. (Gallabat).
=S. æthiopicum= _Rupr._
Annual, slender stalks up to 10 ft. high. Leaves up to 1 ft. long and up
to over 1 in. wide, usually strongly flushed with red or purple. Panicle
narrow, linear to linear-oblong, up to over 1 ft. long, often secund.
Sessile spikelet ovate to elliptic lanceolate, clay colour, often
reddish below; pedicelled spikelet linear lanceolate, often bright red.
Awn about 1 in. long.
Nubia (Sagadi between Suakin and Berber); Blue Nile Prov.; Fung Prov.
(Jongol’s Post); White Nile Prov. (Jebel Arashkol).
=S. aterrimum= _Stapf._ ?BURRI—Arab (Schweinf).
Annual, with slender stalks up to 6 ft. high. Leaf sheath strongly
blotched with blackish purple. Panicle narrowly oblong to ovate
lanceolate. Sessile spikelet finally glossy jet black. Awn up to ¾ in.
long, but sometimes reduced to short point.
Said to be cultivated in the South.
Bahr El Ghazal Prov. (Jur Ghattas).
=S. guineense= _Stapf._ =var. robustum.= VUNDE—Zande; BELL—Nuer.
Tall annual up to 7 ft. high; stems stout, wavy; leaf up to over 2 ft.
by 3 in. Panicle oblong, mature spikelets gaping, exposing the grain,
which is round and dark red in colour. Glumes also dark red, glossy.
Cultivated as a food crop in the Southern Sudan. A red dye is obtained
from the leaf sheaths.
Mongalla, and Bahr El Ghazal Prov.
=S. Durra= _Stapf._ HAMAIZI, AKLIMAWI, and SAFRA KOHIA—Arab.
Tall annual grass up to 14 ft. high, leaf blades up to 15 in. by 2 in.
Panicle much more compact than preceding, ovoid or ellipsoid; spikelets
densely clustered; sessile spikelets rhombic-obovate in flower; mature
grain subglobose with a broad, round, much exposed top, white, yellow,
or reddish-yellow in colour.
_Types._ Aklimawi—glumes dull whitish with a brown band across just
below the tip, more or less white hairy; grain with very broad and
almost flattened yellow tops.
Safra Kohia—glumes more or less glossy without a dark band, straw
yellow, frequently brown or blackish at the base, grains ivory colour.
Hamaizi—glumes more or less glossy without the dark band, burnt sienna
colour to blackish, particularly below, grains reddish ochre.
Cultivated as a food crop.
White Nile Prov. (Geteina) and Blue Nile Prov.
=S. caudatum= _Stapf._
Tall annual up to 14 ft., stems stout. Panicle erect, oblong, moderately
to very dense. Sessile spikelets elliptic oblong, subobtuse or minutely
pointed, sparingly hairy. Grain very broad-elliptic to orbicular,
exposed.
=var. angolensis.= Grain up to ⅛ in. long, broad obovate in outline,
dark red, glume black. Panicle erect, oblong, rather small and compact.
Largely grown in Southern Sudan. Type KAKWA—Arab.
=var. Cerevisiæ.= Grain up to ⅛ in. long, broad obovate in outline,
purplish red in colour, glume black, panicle umbrella-shaped owing to
shortening of axis.
Grown in Southern Sudan for preparation of native beer.
=var. Schweinfurthii.= Grain over ⅛ in. long, roundish, white or ochre
salmon in colour, panicle oblong with axis running through; pedicelled
spikelets more or less persistent, up to ⅛ in. long, mature glumes straw
colour to whitish.
Types ZERZEREIH, BAHANA—Arab.
=var. fragile.= Grain over ⅛ in. long, obovate, rather flattened, mature
glumes white, brittle upwards. Panicle slightly open, branches long
ascending. Pedicelled spikelets persistent.
Type RUBAI (Sennar)—Arab.
=var. umbonatum.= Panicle as var. _fragile_, grain much flattened with a
central boss, apricot colour, lower glume transversely constricted.
Pedicelled spikelets persistent.
Type LAGHRAB EL HOMAR (Gezira)—Arab.
=var. rutilum.= Panicle obovate, rather open, mature glumes straw
coloured, tinged with red, grain ochre red to salmon on the top, paler
below. Pedicelled spikelet persistent.
Type HEGARIG—Arab.
=var. atrolutescens.= Panicle obovate, somewhat irregular and loose,
branches long and flexuous. Mature glumes black, grains sulphur or maize
yellow to ochre buff, large, flattened at the sides. Pedicelled spikelet
persistent.
Type SAFRA, HEGIRI, ABU GARADA, SHABAT AHMAR—Arab.
=var. gibbum.= Panicle rather oblong, fairly dense; pedicelled spikelets
readily deciduous; mature glumes black; grain ochre, salmon colour,
terracotta or Indian red, more or less swollen on one side.
Type WAD MASNAB, EL TORAK, ABU GARADA—Arab.
=var. Feterita.= Panicle usually oblong, rather narrow, moderately open
to dense, glumes glossy black, grain white with an enamelled appearance.
Type FETERITA.
=var. Gassabi.= Panicle dense, broadly elliptic to obovate. Glumes
white, margins, often hairy. Grain creamy globose, rather large.
Type GASSABI.
=S. papyrascens= _Stapf._
Tall annual up to 12 ft. high. Panicle oblong to oblanceolate in
outline, moderately dense, branches long, flexuous. Mature glumes
transparent, papery and brittle, breaking irregularly at the tips; grain
shorter than the glumes and completely enclosed by them, or partly
exposed where glumes are broken, obovate in shape, compressed, dull
white or orange.
=var. vesiculare= _Stapf._ Mature spikelets somewhat inflated, pale
straw colour, rather hairy, grain white.
Type FIKI EL MOSTAHI—Arab.
=var. lateritium= _Stapf._ Mature spikelets strongly flushed with brick
red, grain orange, glume very brittle upwards.
Type GADDUM EL TEITAL—Arab.
Blue Nile Prov.; Fung Prov.
=S. Melaleucum= _Stapf._ SHELSHELEIH—Arab.
Tall annual. Panicles large, oblong, rather one-sided, somewhat loose;
branches slender, nodding, purple; grain white, as long as the rather
brittle, glossy black, glumes; glumes hairy upwards.
Blue Nile Province.
=S. Ankolib= _Stapf._ ANKOLIB—Arab.
Tall annual. Panicle oblong, contracted, somewhat loose when mature,
branches not very long, stout and branched, sessile spikelets very
acute, thinly leathery below and sometimes separated from the papery
upper portion by a transverse line. Grain enclosed, almost round in
outline.
The canes contain sugar and are chewed. Cultivated. Kassala Prov.
(Gallabat, Matamma); Blue Nile Prov. (Sh. Talha); Fung Prov. (Roseires).
=S. cernuum= _Host._ DURA SEIFI—Arab.
Tall annual up to 14 ft. Panicle eventually recurved, ovoid, very
compact, lower glume leathery at the base, whitish hairy all over. Grain
exposed or protruding, dull white, large. Cultivated.
Northern Sudan; Kassala Prov.
=S. purpureo-sericeum= _Aschers._ & _Schweinf._
Erect annual up to 3 ft. high; leaves up to 9 in. long by ⅓ in. wide.
Panicle up to 8 in. long, very loose; sessile spikelets lanceolate,
acuminate; lower glume wholly leathery, dark brown to black except at
the tip, with a band of soft brown hairs at the base. Awn up to 2 in.
long twisted to the middle.
Kassala Prov. (along eastern borders); Fung Prov. (Jongol’s Post).
=S. dimidiatum= _Stapf._
Perennial about 2 ft. high. Panicle very narrow and small. Sessile
spikelet lanceolate acuminate, lower glume firmly coriaceous up to half
way, then abruptly thinner, the coriaceous portion turning glossy brown
or black. Awn slender, about 1 in. long.
Fung Prov. (Jongol’s Post).
=S. bipennatum= _Stapf._
Annual up to 4 ft. high. Panicle narrow, oblong, up to 7 in. long, lax;
racemes reduced to a single spikelet accompanied by two slender
pedicels. Glumes coriaceous, brown, the lower whitish at the base,
silkily hairy. Awn about 1½ in. long, kneed at, and twisted below the
middle.
Bahr El Ghazal (Jurland).
856 =Vetiveria nigritana= _Stapf._
Tall, densely tufted perennial grass, with branching rootstocks and
spongy aromatic roots, up to 6 ft. high. Panicle up to over 1 ft. long,
with long slender whisk-like branches. Sessile spikelets very narrowly
lanceolate, dull green or somewhat purplish with a small bristle-like
awn.
Red Sea Prov. (Erkowit); Upper White Nile Prov. (Meshra El Zeraf); Bahr
El Ghazal Prov. (Jur Ghattas, Bongo, and Addai).
857 =Chrysopogon Aucheri= _Stapf._ =var. quinqueplumis= _Stapf._
Tufted perennial grass up to 2 ft. high, with very slender stems,
panicled, narrow, 2-4 in. long, loose with the tips of the branches
bearded; racemes reduced to 1 or 2 joints. Spikelets hairy, greyish; awn
also hairy, up to 1 in. long, yellow in colour.
Nubia (between Suakin and Berber, Wadi Læmeb and Wadi Derumkad, Long.
35° 25′ E.).
858 =Eremopogon foveolatus= _Stapf._
Tufted grass up to 2 ft. high (often under 1 ft.); leaves greyish,
narrow. Panicle narrow, up to 3 in. long, spikelets pinkish, surrounded
by white silky hairs. Awn up to 1½ in. long, kneed, brown.
Red Sea Prov. (maritime plain and up to 3,000 to 4,000 ft. Soturba
range, Lat. 21° N.).
859 =Arthraxon serrulatus= _Hochst._
Perennial grass up to 2 ft. high; stems from a short rhizome. Leaves
broadly lanceolate, 1-2 in. long, ½-¾ in. wide, with cartilaginous
margins, hairy, particularly along the edges and on the sheaths. Racemes
2-5, slender, greenish or suffused with purple, 1¼ to over 2 in. long,
on a short common axis; sessile spikelet narrow with small short teeth
along the edges. Fertile valve awned from low down on the back. Awn up
to over ½ in., fine, kneed about the middle.
Kassala Prov. (Gallabat, Matamma).
860 =Amphilophis pertusa= _Stapf._
Perennial grass up to 2½ ft. high, stems slender. Panicles digitate, up
to 2½ in. long, branches up to 10; racemes whitish or dull purplish with
silky hairs. Sessile spikelets pale green, with a pronounced pit on the
glume, awned; the awn forming a continuation of the valve, 1 in. long,
kneed at the middle.
Mongalla Prov. (Yei River, Rejaf road).
=A. insculpta= _Stapf._ =var. vegetior= _Stapf._
Similar to above but with 1-3 pits on the glume of pedicelled spikelets;
sessile spikelets usually olive green or flushed with purple. Leaves
rough and reed-like.
Kassala Prov. (Gallabat, Matamma); Atbara River (Gerba).
861 =Dichanthium annulatum= _Stapf._ MALHI (Meshra El Zeraf)—Arab.
Very tufted perennial grass up to over 3 ft. high, stems many noded.
Leaves narrow, strongly ribbed. Inflorescence digitate, racemes 3-9,
thinly hairy with long silky hairs, pale or flushed with purple; sessile
spikelets of the lowest 1-3 pairs staminate or neuter and awnless; awn
of fertile valve a continuation of the valve, nearly 1 in. long.
Red Sea Prov. (near Tokar, Port Sudan, Wadi Yumga, Wadi Læmeb); Kordofan
Prov. (Abu Garad); Kassala Prov. (Gallabat, Matamma); Khartoum Prov.;
Blue Nile Prov. (Sennar).
862 =Schizachyrium urceolatum= _Stapf._
Annual up to 1 ft. high, stems slender; leaves very narrow, reddish, the
upper spathe-like, enclosing the racemes. Spikes solitary, joints and
pedicels short, thickened, with a large slipper-like appendage. Awn
about ¾ in. long, from the hollow of the 2-toothed fertile valve, which
is divided to beyond the middle. Racemes smooth, except for a silky tuft
of hairs at the base of the joint. Pedicelled spikelets not larger than
the sessile.
Kassala Prov. (Gallabat, Matamma).
=S. exile= _Stapf._
Annual, stems in bundles, from ½ to 2 ft. high. Leaf blades eventually
pinkish, very narrow, tapering to a fine point, uppermost spathe-like,
enclosing the racemes, which are conspicuously hairy. Joints up to ¼ in.
long, club-shaped, with a oblique minutely toothed membranous appendage,
otherwise as _S. urceolatum_.
Kassala Prov. (Gallabat, Matamma); White Nile (J. Arashkol); Kordofan
Prov. (El Obeid); Darfur Prov. (El Fasher); Bahr El Ghazal Prov. (Jur
Ghattas Zariba).
=S. Schweinfurthii= _Stapf._
Perennial grass up to 2 ft. high, leaves narrow, tapering. Uppermost
spathe-like. Inflorescence simpler and much less tufted than the
preceding. Fertile valve shortly two toothed, joints very narrow.
Sessile spikelets very close, almost smooth, awned.
Bahr El Ghazal Prov. (Jur, Tokuto River).
863 =Diectomis fastigiata= _Kunth._
Annual, up to 5 ft. high; stems slender, kneed at the base; leaves,
narrow, tapering to a fine bristle-like point. Inflorescence enclosed in
a spathe, branches 2 or 3. Pedicelled spikelets larger than sessile,
surrounded by long, soft, white hairs, very different from the sessile.
Awn 1¼-2 in. long, kneed at the middle, twisted, yellow and brown.
Fung Prov.; Darfur Prov. (Jebel Marra 6,000 to 8,000 ft.).
864 =Andropogon tenuiberbis= _Hack._
Tall perennial grass up to 15 ft. high. Leaf blades narrow, over 1 ft.
long, tapering to a fine point. Inflorescence a loose spatheate panicle
up to 2½ ft. long, with about 6, 2-4-rayed tiers. All sessile spikelets
alike, awns from the sinus of the 2-divided fertile valve, joints and
pedicels very narrow and slender.
Bahr El Ghazal (Jur, Geneina, Jur Ghattas, Kutshuk Ali’s Zariba).
=A. linearis= _Stapf._
Perennial up to 3 ft. high, leaves very narrow, sheaths often purplish.
Inflorescence small, partly enclosed in a spathe, awn of sessile
spikelet stout.
Darfur Prov. (Jebel Marra, 8,000 ft.).
=A. schirensis= _Hochst._
Perennial grass 3-10 ft. high, leaf blades narrowed, tapering, often 1½
ft. long. Inflorescence consisting of stout racemes in pairs, with
compressed, long awned (as above) spikelets.
Kassala Prov. (Gallabat, Khor Utrab); Bahr El Ghazal Prov. (Jur
Ghattas).
=A. gayanus= _Kunth,_ =var. genuinus= _Hack._
Tufted perennial grass, from a few feet to 10 ft. high. Leaves narrow,
tapering, leaf sheath often wider than the blade, forming rounded
shoulders at the junction. Inflorescence consisting of racemes in pairs;
spikelets with long, soft, white hairs. Awns ½-¾ in. long. Joints and
pedicels hairy on one side.
Fung Prov. (Jongol’s Post); Bahr El Ghazal Prov. (Jur Ghattas).
=var. squamulatus= _Stapf._ As above, but joints and pedicels hairy on
both margins. Awn ¾-1¼ in. long.
Kassala Prov. (Gallabat, Matamma); Upper Nile Prov. (Sobat River,
Nasser); Kordofan (Rahad); Darfur (Jebel Marra, 9,300 ft.).
=var. bisquamulatus= _Hack._ ABU RIKHIS—Arab.
As above, joints and pedicels hairy on one or both margins, spikelets
more or less hidden by silky hairs.
White Nile Prov. (J. Arashkol); Kordofan Prov. (Obeid and between Um
Ruaba and Eilafun); Bahr El Ghazal Prov. (Bongoland, between Uringama
and Ngoli).
865 =Cymbopogon sennarensis= _Chiov._
Densely tufted perennial up to 3 ft. high, often reddish in colour;
leaves narrow, up to 8 in. long. Inflorescence a spatheate obovoid
panicle, formed of more or less dense balls of racemes which are in
pairs and each surrounded by a spathe. The sessile spikelets at the base
of the spike are different from the rest; the lower glume of female
spikelets with 4 nerves. Awn only ¼ in. long, bristle-like, spikelet
surrounded by long, fine, white hairs.
Fung Prov.
=C. proximus= _Stapf._ MAHAREIB—Arab.
Similar to above, but spatheate panicle narrow, long, much interrupted
below; the lower glume of the fertile spikelets with 2 short nerves. Awn
a fine straight bristle up to ¼ in. long.