Cyperaceae. 85 



Obs. Genus ab Eleocliaridis speciebus setis liypogyuis carentibiis vix 

 (liffert. Species Bidhostylidis antillanae (omnes foliigerae) ope folioruin ab 

 Eleocharide facile diagnoscuntur. 



Clavis specierum antillanariim. 



Sect. 1, Monostachyae. Ciümus spiciüam iinicam gerens. 

 Spicula terminalis; gluma ima vix bracteiformis. 



Folia longiuscula; spicnla straminea . 108. i>. leucostachya Kunth. 

 Folia brevia; spicula fusce bruiiea . 109. 5. conifera Kuntli. 

 Spicula lateralis; bractea spiculain saepe superans 



110. B. floccosa C.B. Clarke. 

 Sect. 2. Monocephalae. Culmus caput uuicum gerens. 



Subaphylla; caput 3 — 9-stachyuiu . . 111. B. siibaphylla G.'Q.Ol^xkQ. 

 Foliigera; caput 1 — 2- (rarius 3-)stachyum 



112. B. fimbriata C.B.Clarke. 



Sect. 3. UmheUatae. Spiculae in umbella simplice aut composita dispositae. 

 * Spiculae in spicis fascicnlatae ; spicae umbellatae. 



Culmus ajMce ipso minute pilosulus 113. B. vestita Ivunth. 

 Culmus apice ipso glabro . . . 114. B. junciformis YaxwWi. 

 ** Spiculae solitariae. 



Culmus apice ipso glabro; spiculae modice pedicellatae 



115. B. capillaris Kunth. 

 Cidmus apice ipso piloso; spiculae breviter pedicellatae 



116. B. Langsdorffiafia Kuntli. 



-108. Bulbostylis leiicostacliyaY^unth, rhizomate brevi, descen- 

 dente, a squarais intecto, apice diviso; culniis 2 dm. longis, glabris, 

 tenuibus, monostachjis; foliis pluribus, cum Y2 pai'te culmi subaequi- 

 longis, setaceis; vaginis in ore dense lanato-barbatis vel fere glabratis; 

 spicula terminali, erecta, iisque ad 14 mm. longa, 3 — 4 mm. lata, cylin- 

 dracea, proventu straminea; gluma ima vacua, breviter viridi-mucro- 

 nata, caduea; glumis fertilibus plurimis, densissime stipatis, rotundis, 

 concavis, stramineo-scariosis, in margine minute ciliatis; stylo quam 

 nux brevioro, glabro, ramis 3 linearibus; nuce cum Yg parte glumae 

 aequilonga, obovoidea, levi, fusco-brunea; stylobasi minuta, nigra, in 

 nucis umbone relicta. 



Bulbostylis leucostachya Kunth! Enum. II (1837) p. 205. 



Isolepis leucostachya H. B. K. Nov. Gen. et Sp. I (1815) p. 220. 



Scirpas Icucostachys Poir. Encyc. Siippl. V (1817) p. 104; Boeck. 

 in Linnaea XXXVI (1869—70) p. 737. 



Scirpus Gaillardii Manry in Journ. Bot. Paris III (1880) p. 197 

 firj. 7. 



Fimhristylis leucostachya Poem, et Seh. Syst. II (1817) p. 92. 



Hab. in India occident: Swartz. 



Distrib. Columbia, Orinoco, Rio Negro. 



