CYPERUS. | CYPERACEZ., 331 
primary rays 1 to 3 ins. long; primary bracts 4 to 6, leaf-like but 
rougher, unequal in length; bracts of secondary umbel narrowly 
linear, acuminate ; spikelets cylindrical averaging } in. long, rachilla 
with hyaline wings. The two lowest glumes empty hyaline broadly 
suborbicular ; flowering glumes suborbicular in outline when spread 
open ;; in. long, apex rounded, the keel running out into an acute 
apiculus, nerves very obscure. Stamens 3. Nut ellipsoid in out- 
line, acutely trigonous about 4 the length of the glume; style 
divided more than half way down, with the 3 branches about y; in. 
long. 
Agra (Munro). Dursrrrp.: Gangetic Plain to Malay Peniffsula, 
Africa, America. 
12. C. exaltatus, Retz. Obs. v. 11; F. B. I. vi, 617; Pratn, 
Beng. Pl. 1145; Collett Fl. Siml. 558; Cooke Fl. Bomb. ii, 
872. 
A tall glabrous herb up to 3 ft. in height, with numerous adventitious 
roots; stem bases covered with dark brown not fibrous sheaths, 
triquetrous, smooth, striated. Leaf-blades linear, tapering to an 
acuminate apex, up toas long as the stems or shorter, }-}in. broad, 
slightly rough on the margins. Jnflorescence a once or twice com- 
pound umbel of spikes, primary rays up to 6 ins. long; spikes usually 
1 to 2 ins. long; primary bracts up to 6 in number, leaf-like, un- 
equal, secondary bracts much shorter and narrower. Spikelets linear, 
from 4-} in. long, rachilla with narrow persistent wings. The two 
lowest glumes in each spikelet narrow, linear, and empty, usually 
persistent. Glumes broadly ovate when spread out, with a promi- 
nent mucro, ;’; in. long, chestnut-brown with a green keel, obscurely 
3 nerved. Stamens 3. Nut ellipsoid in outline, less than } the 
length of the flowering glume, with 3 prominent angles ; style divided 
about 4 way down, with the 3 branches 7; in. long. 
Moradabad {(Thomson); Agra; Shahjahanpur (Duthie); Bundel- 
khand (Duthie); Aligarh (Duthie); Merwara (Duthie). DuistTrrp : 
Most parts of India and general in trop. and sub-trop. regions. 
138. C. digitatus, Roxb., Fl. Ind. i, 205; F. B. I. vi, 618 ; Prain, 
Beng. Pl. 1145; Cooke, Fl. Bomb. ii, 873. 
A tall glabrous herb, 14 to 4 ft. high. Rhizome short horizontal. 
Stem triquetrous above, smooth, striated, covered at the base with 
coarse not fibrous usually dark leaf-sheaths. Leaf-blades linear 
tapering above to an actminate apex, variable in length and width, 
