Cyperaceae. 73 
Heleocharis Schencköi Boeck.! Cyp. Novae. Heft IT (1890) p. 13. 
Heleocharis grandis Boeck.! ms. in ©. Wright n. 33738. 
Hab. in Cuba: C. Wright n. 3373; Trinidad: Crueger n. 1806. 
Distrib. Venezuela, Guiana, Pernambuco. 
90. Eleocharis melanocarpa Torrey, rhizomate brevissimo; cul- 
mis caespitosis, 2—4 dm. longis, gracilibus; vagina summa truncata, 
in altero latere a dente parvo ornata; spieula 6—12 mm. longa, ellip- 
soidea, densa; glumis obtusis, bruneis in dorso luteis, ima vacua bractei- 
formi; setis 5—-4, cum !/, parte nucis vix aequilongis; stylo 3-fido; 
nuce cum ?/, parte glumae aequilonga, obpyramidali, apice truncata non 
angustata, levi, castanea; stylobasi cum nuce aequilata, depressa, alba. 
Eleocharis melanocarpa Torrey in Ann. Lyceum New York III 
(1836) p. 311 (nee p. 441), et Fl. New York II p. 520. 
Heleocharis melanocarpa Boeck.! in Linnaea XXX VI (1869—70) 
»p. 445. 
Seirpus melanocarpus Baldwin ms. fide Torrey, non Griseb. 
Hab. in ins. Bermuda: fide Hensley. 
Distrib. a Massachusetts usque ad Florida, Georgia. 
91. Eleocharis albida Torrey, rhizomate tenuissimo, pallido; 
culmis 5—25 cm. longis, gracilibus; vagina summa strieta, apice in 
altero latere lanceolato-producta; spieula 5—12 mm. longa, eylindrica, 
multiflora, straminea; glumis ovatis, obtusis, ima multo latiore culmum 
amplectente persistente; setis 6, nucem superantibus, retrorsim scabris, 
rubro-bruneis; stylo 3-fido; nuce trigona, obovoidea apice multum an- 
gustata, levi, brunea (luteo- castaneo- vel olivaceo-tincta); stylobasi 
parva, bulbiformi, pallida. 
‚ Fleocharis albida Torrey in Ann. Lyceum New York III (1836) 
p. 304. 
Eleocharis simplex Kunth Enum. II (1837) p. 143, non Dietr. 
Isolepis aphylla Boeck.! in Flora XLI (1858) p. 417. 
Heleocharis albida Boeck.! in Linnaea XXXVI (1869 —70) 
p. 442, syn. E. Engelmanni excl. 
Hab. in ins. Bermuda: Moseley; Jamaica: Mac Nab. 
Distrib. in America septentrionali et Mexico. 
92, Eleocharis montana Roem. et Sch. rhizomate robustiore; 
culmis 1—3 dm. longis, gracilibus; vagina summa apice truncata mar- 
ginata, dente lineari in altero latere sub margine saepissime exstante; 
spieula 5—11 mm. longa, 12—40-flora; glumis ovatis, vix acutis; 
'setis 6—5, nucem saepe superantibus, retrorsim scabris, einnamomeis; 
stylo 3-fido; nuce obovoidea, apice multum angustata, levi minute 
granulari, aurea; stylobasi parva conica. 
