11-1900 



Cyperaceae. 85 



Obs. Genus ab Eleocharidis speciebus setis liypogynis carentibiis vix 

 differt. Species Bulbostylidis antillanae (omnes foliigerae) ope folioruiii ab 

 Eleocharide facile diagnoscuntur. 



Clavis specierum antillanarum. 



Sect. 1. Monostacliyae. Cimiis spiculam unicani gerens. 

 Spicula terminalis; giuma ima vix bracteiformis. 



Folia longiuscida; spicula straniinea . 108. B. leucostachya Kimtli. 

 Folia brevia; spicula fusce brunea . 109. 5. conifera Kunth. 

 Spicula lateralis; bractea spiculam saepe superans 



110. B. floccosa C.B. Clarke. 



Sect. 2. Monocephalae. Culmus caput uuicum gerens. 



Subaphylla ; caput 3 9 - stacliyum . . 1 1 1 . J5. suhaphylla C. B. Clarke. 

 Foliigera; caput 1 2- (rarius 3 -) stacliyum 



112. B. fimhriata C.B. Clarke. 



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

 * Spiculae in spicis fasciculatae ; spicae umbellatae. 



Culmus apice ipso minute pilosulus 113. B. vestita Kunth. 

 Culmus apice ipso glabro . . . 114. B. ju7iciformis 'Kunth. 

 ** Spiculae solitariae. 



Culmus apice ipso glabro; spiculae modice pedicellatae 



115. B. capillaris Kunth. 

 Cidmus apice ipso piloso; spiculae breviter pedicellatae 



116. B. Langsdorffiana Kunth. 



108. Bulbostylis leucostachya Kunth, rhizomate brevi, descen- 

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

 tenuibus, monostachyis ; foliis pluribus, cum Y2 parte culmi subaequi- 

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

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

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

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

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

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

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

 uucis umbone relicta. 



Bidbostylis leucostachya Kunth! Enimi. II (IS37) p. 205. 



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



Scirpus leucostachys Poir. Encyc. Suppl. V (1817) p. 104; Boeck. 

 in Linnaea XXXVI (186970) p. 737. 



Scirpus Gaillard Maury in Joiirn. Bot. Paris III (1889) p. 197 

 fig. 7. 



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



Hab. in India occident. : Swartz. 



Distrib. Columbia, Orinoco, Rio Negro. 



