Fiupristyuis.] CYPERACE. hie 351 
Tufted 3-12 in. high, glabrous, stems slender, striate, leaves very 
narrow almost filiform, sheaths with membranous margins. Spike- 
lets usually solitary, sometimes 2 or 3, }-4 in. long, ovoid, bracts 
(empty glumes) usually similar to the flowering glumes, occasionally 
leaf-like and exceeding the spikelets. Glumes } in. long, suborbi- 
cular, shortly mucronate, keeled, many-nerved, very concave, straw- 
colored or pale brown, deciduous. Rachilla after the fall of the 
glumes ragged with minute scales. Style long flattened, hairy on 
the edges in the upper half. Nut 3; in. long, biconvex, compressed. 
obovoid, stipitate, shining, pale straw color or whitish. 
Dehra Dun (Duthie, Gamble), Saharanpur (Royle), Cawnpore (Duthie), 
Distris.: S. E. Asia, N. Australia. 
2. F. diphylla, Vahl, Enum. ti (1806) 289; F. B. I. vi, 636 > 
Prain, Beng. Pl. 1153 ; Cooke, Fl. Bomb. ti, 882; Collett, Fl. 
Siml. 561. 
Tufted, 2-24 in. high, stems striate, leaves often as long as the stems 
up to 3 in. wide, scabrid on the margins towards the apex, sheaths 
glabrous or more or less villous, margins membranous. Spikelets 
in simple or compound umbels, ovoid 3-} in. long, primary bracts 
leaflike exceeding the inflorescence or not. Glumes 4}, in. long 
closely imbricate, concave, glabrous, broadly ovate, keel green 
3-nerved, excurrent as a small mucro, margins smooth, brown or 
reddish. achilla after the fall of the glumes ragged from the scaly 
edges of the areoles. Style flattened, broad, villous on the edges, 
Nut ¥; in. long, pale straw-colored or nearly white, glistening, bicon- 
vex 5-6 ribbed on each face, with elegant crosslines between the 
ribs. 
Debra Dun (Duthie, etc.). A common rainy season weed. Saharan- 
pur, Pilibhit, Cawnpore (Duthie), Gonda. Disrrip.: all warm 
regions. 
var. ANNUA, Clarke (sp. Rem. d& Sch.). A dwarf form about 2 in. 
high. Spikelets reduced to 1-3 or a few. 
Debra Dun (Duthie 6815, 7662). 
3. F. dichotoma, Vahl, Enum, vi (1806) 287; F. B. I. vi, 635 ; 
Prain, Beng. Pl. 1153; Cocke, Fl. Bomb, ti, 880; Collett, Fi, 
Siml.' 561. ’ 
Tufted, 2-20 in. high, stems striate, sometimes very slender, leaves as 
long as the stems or shorter, up to ¥ in. broad, scapna on the margins 
