68 MB. C. B. CLABKE ON INDIAN SPECIES OF CYPEBUS. 



tracta ; glumis parvis, ovatis obtusis, nigro-castaneis in carina 

 viridibus ; nuce cum | parte glumse a?quilonga, ellipsoidea, 

 utrinque angustata. — BoecJc. in Linncea, xxxv. p. 454. 



A O. melanostachyo recedit glumis parvis admodum obtusis: 

 a C. atronitente vix (nonnisi patria) differt. 



Weo-Grranada (Purdie, h. Kew) ; Mexico, in convalle metropo- 

 litana (Schmitz, h. Mus. Brit.). 



34. C. MEGAPOTAMicus (KuntJi, Enum. ii. p. 10, syn. excl.)j 

 culmis elongatis aut filiformibus, monocephalis ; spiculis parvis, 

 liueari-oblongis, fuscis ant subrubescentibus ; glumis ovatis ob- 

 tusis ; nuce parvula, ellipsoidea. — Boech. in Linncea, xxxv. p. 453. 



Pycreus megapotamicus, Nees in Mart. Brasil., Cyp. p. 6. 

 Species a C. Olfersiano parutn remota. 



Brasilia (Sellow, h. Kew); Pampas (Tweedie n. 615, h. Kew); 

 Paraguay {Madon n. 672, h. Kew). 



tt Umbella plane composita, umbellularum radiolis plus minus 



evolutis. 



X Species in India Orientali indigence. 



35. C. ptjnctictjlatus (Vahl, Enum. ii. p. 348) ; umbella com- 

 posita; involucri bracteis longis, umbellarum partialium sub- 

 nullis ; spiculis majusculis, laxe spicatis, lineari-oblongis, admo- 

 dum compressis, rubro-stramineis ; nuce majuscula, obovoidea, 

 multum compressa. — KuntJi, Enum. ii. p. 15 ; Dalz. and Gibs. 

 Bomb. El. p. 283; Thwaites, Enum. El. Zeyl. p. 342; BoecJc. in 

 Linncea, xxxv. p. 472 (synon. Eoxburghianis ex omnibus auctori- 

 bus delendis). 



C. inuadatus, Nees in Wight Contrib. p. 76, non Roxb. 



C. procerus, Roxb. Ft. Ind. i. p. 203 partim, Ic. ined. in h. Calcutta. 



Cyperus (innominatus), Roxb. Ic. ined. n. 725 in h. Kew. 



Cyperus, Wall. ! List n. 3336 A, C partim, D, F. 



Cyperus, Wall. ! List n. 3355 B. 



Radix fibrosa, annua. Culmus solitarius, 3-8 dm., erectus, basi 

 crassiusculus, sursum triqueter, levis. Folia 3-5, cum culmo 

 same aequiloiiga, lata 8-10 mm., carinata, levia. Bractese 3-5, 

 usque ad 3-4 dm. longae, patulse, foliis similes. Umbella? radii 

 4-10, longi 5-15 cm. ; ochreao 10-15 mm., truncatae, l-dentata9 ; 

 umbella? partiales corymbosim 3-4-radiata;, bracteis nullis aut 

 miuimis ; spicao longse 3-5 cm., 4-18-spiculosaD, rbachi glabra; 

 Spiculse longae 1-2 cm., lata? 4 mm., 7-30-flora? ; rhachilla fere 



