468 CYPERACEZ. 
24. Rhynchospora vulcani, Boeck. in Linnea, xxxvii. p. 638. 
Costa Rica, Volcan de Barba (Hoffmann). 
14, CLADIUM. 
Cladium, P. Br. Hist. Jam. p. 114; Benth. et Hook. Gen. Plant. ii. p. 1065. 
- Of this genus about thirty species are known, and they are very widely dispersed in 
Temperate and Tropical countries, though by far the larger number of them are restricted 
to the Australasian region. 
1. Cladium mariscus, R. Br. Prodr. Fl. Nov. Holl. p. 236; Kunth, Enum. PI. 
ii. p. 8303; Boeck. in Linnea, xxxvili. p. 232. 
Schanus mariscus, Linn. Sp. Pl. ed. 1, p. 42. 
Bermupas.—Panama, Aspinwall (S. Hayes, 393).--Sourh America; West INDIES; 
Europe; Asia; AUSTRALIA; Potynesta. Hb. Kew. 
Beeckeler, 1. c., refers both C. occidentale, Schrad., and C. effusus, Torr., to this 
species, thus giving it a wide range in North America. 
[Several exclusively Tropical-American genera, placed between Cladium and Scleria, 
are not known to be represented within our limits. They are :—Lagenocarpus, Cryp- 
tangium, Flintelmannia, Cephalocarpus, Pteroscleria, Becquerelia, and Hoppia. | 
15. CALYPTROCARYA. 
Calyptrocarya, Nees in Linnea, ix. p. 304; Benth. et Hook. Gen. Plant. iii. p. 1069. 
A genus of three or four species, restricted to Tropical America. 
1. Calyptrocarya palmetto, Nees, Cyper. Bras. p. 195. 
Becquerelia glomerulata, Brongn. in Duperr. Voyage, Bot. Phaner. p. 163. 
Calyptrocarya longifolia, Boeck. in Linnea, xxxvii. p. 431, sed certe non Schenus longifolius, Rudge, 
Pl. Guian. t. 16. 
Panama, Chagres (Fendler, 357).—Gu1ana; Braziu; West Inpies. Hb. Kew. 
Bentham and Hooker refer Rudge’s Schenus longifolius (Calyptrocaryat longifolia, 
Kunth, Enum. Pl. ii. p. 365), a very distinct plant, to Hoppia; and Beeckeler’s Hoppia 
microcephala is evidently the same plant. 
16. SCLERIA. 
Scleria, Berg. in K. Vetensk. Acad. Handl. xxvi. (1765) p. 142, tt. 4 et 5; Benth. et Hook. Gen. 
Plant. iii. p. 1070. 
About 100 species, generally dispersed in Tropical and Subtropical regions, and 
extending into the Temperate zone in North America, 
1. Scleria anceps, Liebm. Mexicos Halvgr. p. 69; Steud. Cyper. p.174; Walp. 
Ann. lil. p. 696. 
South Mexico, Potrero de Consoquitla (Liebmann). 
