CYPERACEZ. 463 
1. Fuirena hexacheta, Schl. in Linnea, xix. p. 69, et Bot. Zeit. 1849, p. 135; 
Steud. Cyper. p. 127; Liebm. Mexicos Halver. p. 58. 
SoutH Mexico, valley of Toluca near La Ventilla (Schiede). 
2. Fuirena simplex, Vahl, Enum. Pl. ii. p. 384; Kunth, Enum. Pl. ii. p. 183; 
Boeck. in Linnea, xxxvii. p. 105. 
Fuirena obtusiflora et F. schiedeana, Kunth, Enum. Pl. ii. p. 183; Schl. in Linnea, xix. p. 69; 
Liebm. Mexicos Halvgr. p. 58. 
SoutH Mexico, Vera Cruz (Schiede; Ehrenberg).——CuBa. 
8. Fuirena squarrosa, Michx. Fl. Bor.-Am. i. p. 37; Kunth, Enum. Pl. ii. 
p- 184; Boeck. in Linnea, xxxvii. p. 106; S. Wats. in Proc. Am. Acad. xviii. p. 171; 
Chapman, Fl. Southern U. S. p. 514 (varietates). 
CANADA southward on the eastern side of the continent.—NortH Mexico, Monclova, 
Coahuila (Palmer, 1336), San Rafael, San Luis Potosi (Schaffner, 567); South Mexico, 
Regla (Liebmann). Hb. Kew. 
4. Fuirena umbellata, Rottb. Descr. et Ic. p. 70, t. 19. fig. 3; Kunth, Enum. 
PL. ii. p. 185; Boeck. in Linnea, xxxvii. p. 110; Griseb. Fl. Brit. W. Ind. p. 573. 
Fuirena tereticulmis, Presl, Relig. Henk. i. p. 186; Liebm. Mexicos Halvgr. p. 59. 
Sourn Mzxico, Acapulco (Henke); Guatemata, Duefias (Salvin) ; Panama, Lion Hill 
(S. Hayes, 594), Chagres (Fendler, 353).—Generally dispersed in the Tropics. Hb. 
Kew. 
9. HEMICARPHA. 
Hemicarpha, Nees in Edinb. New Phil. Journ. xvii. p. 263, et in Wight, Contrib. Bot. Ind. p. 70; 
Benth. et Hook. Gen. Plant. iii. p. 1053. 
There are three species of this genus, two of which have a wide range in warm 
countries, and the third is of recent discovery in California. 
1, Hemicarpha subsquarrosa, Nees, Cyper. Bras. p. 61, t. 4. fig. 1; Griseb. 
Fl. Brit. W. Ind. p. 572; S. Wats. in Proc. Am. Acad. xviii. p. 171; Torr. Bot. U.S. & 
‘Mex. Bound. Surv. p. 229; S. Wats. Bot. Calif. ii. p. 220. 
Scirpus subsquarrosus, Muehlenb. Gram. p. 39. 
Scirpus micranthus, Vahl, Enum. Pl. ii. p. 254; Boeck. in Linnza, xxxvi. p. 499. 
Isolepis subsquarosus, Schrad. in Schult. Mant. ii. p. 64. 
Hemicarpha drummondii, Nees, Cyper. Bras. p. 62. 
Isolepis cespitula, Liebm. Mexicos Halvgr. p. 49. 
_ Itinois southward, and CaLirorNia eastward to FLoripa.—Norra Mexico, San Luis 
Potosi (Schaffner, 570); Sourn Mexico, Trapiche de la Concepcion (Liebmann) ; 
‘GuaTemMaLA, Mazatenango (Bernoulli) —ConomBia to PERU, Brazil, and Gurana, and 
in the West Inprss. | 
