26 Cyperacece. [Cyperus. 



to T2 in. broad ; umbel simple, consisting of a terminal head 

 and few or many unequal filiform spreading rays 5-1^ in. 

 long, terminated by heads of 3-20 stellately spreading spike- 

 lets; bracts 3 or 4, setaceous, flexuous, spreading, one or more 

 longer than the rays; spikelets |—i in. by oV-tV in., very, 

 unequal, linear, compressed, pale or dark chestnut, 15 or 

 more-fid. ; rhachilla slender, very narrowly winged ; glumes 

 broadly oblong, 3-veined, strongly keeled, keel produced 

 beyond the rounded hyaline tip into a stout, green, recurved 

 cusp half as long as the limb ; stam. 1-2, anth. short ; nut about 

 half as long as the glume, linear-oblong, obtusely trigonous, 

 minutely granulate, very dark red, style much shorter than 

 the nut, stigmas 3, filiform. 



Gravelly places in the low country ; rather common. Peradeniya ; 

 Bibile. Fl. Jan. 



Also in India, Cochin China, Australia. 



The quotation of C. squarrosus, Trim. Cat., in Fl. B. Ind., is an error; 

 a specimen of Mariscus squarrosus, Clarke, was taken for it, these two 

 plants being remarkably alike. 



18. C. cuspidatus, H. B. and K. Nov. Gen. and Sp. i. 204 (1815). 

 Trim. Syst. Cat. Ceyl. PI. 100. Clarke, 1. c. 90. C. P. 803 (part). 

 Fl.-B. Ind. vi. 598. 



A very slender, tufted annual ; stems 2-4 in. erect; 1. 

 shorter or longer than the stem, filiform, flexuous ; umbel 

 simple, of a terminal head, and few or many filiform, spreading, 

 unequal rays ^-1 in., each terminated by a head of stellately 

 spreading spikelets ; bracts 3-5, filiform flexuous, much 

 longer than the rays; spikelets 5-12 in a cluster, i-f by T V in., 

 linear, spreading, 12-20-fld., pale green to red-brown; rhachilla 

 slender, very narrowly winged; glumes hyaline, broadly 

 oblong, 3-veined, strongly keeled, keel produced from below 

 the apex into a recurved green cusp as long as limb, sides 

 streaked with brown ; stam. 1-2, anth. very shortly oblong; nut 

 not half as long as the glume, obovoid, trigonous, smooth, dark 

 brown, style shorter than the nut, stigmas 3, capillary. 



Wet sandy ground in low country ; common. Fl. (?). 



In all hot countries. 



Thwaites did not distinguish this from C. castaneus. There are only 

 two specimens in Herb. Peraden., without locality or date, and no Ceylon 

 ones in Herb. Kew. 



19. C, XXaspan,* L. Sp. PI. 45 (1753). Kalpan, S. 



Herm. Mus. 23. Burm. Thes. 108. Fl. Zeyl. n. 37. Thw. Enum. 

 343. C. P. 799, 965. 



Fl. B. Ind. vi. 600. Rottb. Descr. et Ic. t. 6, f. 2, and t. 17, f. 3 

 (Sa'rpus autumnalis). 



* A misprint for ' Halpan, 5 Hermann's S. name for this ; Linnaeus 

 copied from Burmann. (See also Fimbristylis globulosa, p. 57,) 



