Cyperaceae. 85 
Obs. Genus ab Elegcharidis speciebus setis hypogynis carentibus vix 
differt. Species Bulbostylidis antillanae (omnes foliigerae) ope foliorum ab 
Eleocharide facile diagnoseuntur. 
Clavis specierum antillanarum. 
Sect. 1. Monostachyae. Culmus spiculam unicam gerens. 
Spicula terminalis; gluma ima vix bracteiformis. 
Folia longiuscula; spicula straminea . 108. B. leueostachya Kunth. 
Folia brevia; spicula fusce brunea . 109. B. conifera Kunth. 
Spieula lateralis; bractea spiculam saepe superans 
110. B. floccosa C. B. Clarke. 
Sect. 2. Monocephalae. Culmus caput unicum gerens, 
Subaphylla; caput 3—9-stachyum . . 111. B, subaphylla ©. B. Clarke. 
Foliigera; caput 1—2- (rarius 3-)stachyum 
112. B. fimbriata C.B. Clarke. 
Sect. 3. Umbellatae. Spieulae in umbella simplice aut composita dispositae. 
* Spiculae in spieis fasciculatae; spicae umbellatae. 
Culmus apice ipso minute pilosulus 113. D. vestita Kunth. 
Culmus apice ipso glabro . . . 114. B. juneiformis Kunth. 
** Spiculae solitariae. 
Culmus apice ipso glabro; spieulae modice pedicellatae 
115. B. capillaris Kunth. 
Culmus apice ipso piloso; spiculae breviter pedicellatae 
116. B. Langsdorffiana Kunth, 
108. Bulbostylis leueostachya Kunth, rhizomate brevi, descen- 
dente, a squamis intecto, apice diviso; culmis 2 dm. longis, glabris, 
tenuibus, monostachyis; foliis pluribus, cum !/, 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 1/, 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. 
Seirpus leueostachys Poir. Encye. Suppl. V (1817) p. 104; Boeck. 
in Linnaea NXXVI (1869—70) p. 787. 
Seirpus Gaillardii Maury in Journ. Bot. Paris III (1889) p. 197 
fig. 7. 
Fimbristylis leueostachya Roem. et Sch. Syst. IT (1817) p. 92. 
Hab. in India oceident.: Swartz. 
Distrib. Columbia, Orinoco, Rio Negro. 
