90 ME. C. B. CLAHKE ON INDIAN SPECIES OF OYPEBTTS. 



[Forma angustifolia ; spiculis brevioribus, ssepe pallidis ; nuce 

 late obovoidea, quam | pars gluma3 (mucrone excluso) ssepe bre- 

 viore, trigona, faciebus sa3pe concavis. 



C. angustifolius, Buch.-Ham. sp. ; Nees in Wight Contrib. p. 79. 



C. pusillus, Wight MS. in h. propr. n. 2337, non Vahl. 



C. aristatus, Herb. Ind. Or., Hook.f. et T. Thomson, partim. 



Cyperus sp., Wall. ! List n. 3376 B, A partim. 



India Orientalis, sat vulgaris : ISTepaul ( Wallich, Ti. Linn. Soc, 

 n. 3312 C partim h. Calcutta) ; Sikkim {G. King, h. Calcutta); 

 Bengalia orientalis {Griffith, hh. Kew, Calcutta n. G203 /I) ; 

 Assam {Simons, h. Calcutta) ; Monghyr {Buchanan-Hamilton 

 in Wall. n. 3376 B, h. Calcutta) ; Madras Peninsula ( Wight 

 n. 2337, h. Keiv). 

 Zeylania {Beckett, h. Calcutta). 



I think this was made a species by those who did not know, 

 or who forgot to compare C. cuspidatus. I do not think it is 

 worthy of notice as a variety, but I would sink C. angustifolius 

 among the synonyms of C. cuspidatus type.] 



Var. (3. Burchellii ; culmis nanis ; spiculis numerosis, magnis. 

 Spiculae longse 25 mm., latse 3-4 mm., 50-60-florge, pallida. 



Var. notabilis ; differt a C. cuspidato typ. ut C. pectiniformis /3, 

 Nees, differt a C. compresso. 



Brasil (Bicrchell n. 9642, h. Kew). 



51. C. TTNCTNATUs {Poir. Encycl. vii. p. 247) ; umbella contracta 

 (aut capituliformi), radiis paucis, paucispiculosis ; spiculis digi- 

 tals, compressis ; glumis emarginatis, mucrone sub apice breviter 

 excurrente ; nuce obovoidea, obtusa, cum \ parte glumse subsequi- 

 longa. — Kunth, JEnum. ii. p. 21 ; Boech. in Linncea, xxxv. p. 502- 



C. pectinatus, Hils. et Bojer ! in h. propr. f non Vahl. 



Folia culmis ssepe longiora, uncinata. Spicule longae 1 cm., 

 latse 2 mm., 8-16-florse, castanese aut viridi-brunnese. — Species a 

 C. cuspidato segre distinguenda. 



Madagascar {Lyell n. 84, h. Kew, Grey, Blackburn, h. Kew; 

 Bu Petit-Thouars, h. Mus. Brit.). 



52. C. paragfayensis ; umbella capitata ; glumis spissis, ob- 

 tusis vix emarginatis, mucronatis ; nuce obovoidea, obtusa, quam 

 h pars glumse breviore, fusco-nigra. 



Eadix fibrosa (perennis ?). Culmi longi 2-7 cm., basi incras- 



