Cyperaceae. 85 



Obs. G-enus ab Eleocharidis speciebus setis hypogynis carentibus vix 

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

 Eleocharide facile cliagnoscuntur. 



Clavis specierurn antillanarum. 



Sect. 1. Monostachyae. Culmus spiculam unicam gerens. 

 Spicula terminalis; gluma iina vix bracteiformis. 



Folia longiuscula; spicula straminea . 108. B. leucostachya Kuntb. 

 Folia brevia; spicula fusce brunea . 109. B. conifera Kuntli. 

 Spicula lateralis; bractea spiculam saepe superans 



110. B. floccosa C.B. Clarte. 

 Sect. 2. Monocephalac. Culmus caput unicum gerens. 



Subaphylla ; caput 3 9 - stachymn . . 111.5. subaphylla C. B. Clarke. 

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



112. B. fimbriata C.B. Clarke. 

 Sect. 3. Umbellatae. 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. junciformis Kunth. 

 ** Spiculae solitariae. 



Culmus apice ipso glabro; spiculae modice pedicellatae 



115. B. capillaris Kunth. 

 Culmus apice ipso piloso; spiculae breviter pedicellatae 



116. B. Langsdorffiana Kunth. 



108. Bulbostylis leucostaehya Kunth, rhizornate brevi, desceri- 

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

 tenuibus, monostachyis; foliis pluribus, cum y 2 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; giuma ima vacua, breviter viridi-mucro- 

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

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

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

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

 nucis umbone relicta. 



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



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



Scirpus lencostaclnjs Poir. Encyc. Suppl. V (1817) p. 104; Boeclc. 

 in Linnaea XXXVI (186970) p. 737. 



Scirpiis Gaillardii Maury in Journ. Bot. Paris III (1889) p. 197 

 fig. 7. 



Fimbristylis leucostachya Roem. et Sch. Syst. II (1817) p. 92. 



Hab. in India occident: Swartz. 



Distrib. Columbia, Orinoco, Bio Negro. 



