156 ©. B. CLARKE: 
Hab. in Trinidad: Broadway n. 3723 (ad Chaguanas), Orueger, 
Fendler n. 886, Hart n. 2219, Lockhart n. 293. 
Distrib. Guiana. 
Obs. Species a O. fragifera vix sat diversa. 
XXIH. Uneinia Pers. 
Flores 1-sexuales. Prophylli bicarinati margines connati, pi- 
stillum nudum in utrieulo amplectentes. Spiculae axeos rudimentum 
in utriculo setiforme, ex utriculi ore exsertum, apice uncinatum. 
Species 26, praesertim in zona australi obviae; in Australia cum 
Nova Zeelandia, in insulis Oceanieis australibus, in America australi 
temperata ad Mexico et Jamaica extensae. 
234. Uneinia jamaicensis Pers. stolonifera, culmis 3--6 dm. 
longis, monostachyis; foliis culmum saepe superantibus, 3 mm. latis; 
spica 1 dm. longa, 3-—4 mm. lata, continua, subtereti; bracteis foemi- 
neis oblongis, remotiuscule imbricatis; utrieulis lanceolatis, hispidulis, 
bracteas parum superantibus; stylo 3-fido; nuce oblonga; seta (spieulae 
axeos rudimento) quam utriculus duplo longiore, curvata, proventu di- 
varicata. 
Uneinia jamaicensis Pers. Syn. II (1807) p. 534; Kunth Enum. 
II p. 525; Griseb. Flor. p. 581; Boeck. in Linnaea v. 41 (1877) p. 347 
(syn. U. mexicana excl.). 
Carex uncinata Schkuhr Riedgr. I (1804) p. 13 t. 6, fig. 30, non 
Linn. 
Carex hamata Swartz Prod. (1788) p. 18; Schkuhr Riedgr. IT p. 31. 
Carex jamaicensis Poir. Eneye. Suppl. III (1813) p. 282 in nota. 
Hab. in Jamaica: Hart n. 2010, Shakespear, Stokes. 
Distrib. America centralis, Nova Granata, Venezuela, Brasilia, Ar- 
gentina. 
XXIV, Carex Linn. 
Flores 1-sexuales.. Prophylli bicarinati margines connati, pistil- 
lum nudum in utrieulo amplectentes. Spiculae axeos rudimentum in 
utrieulo nullum. 
Species 1300, per orbem terrarım in humidioribus vulgatae. 
Clavis specierum antillanarum. 
Subgenus I. Vignea. Stylus 2-fidus. 
Spicae androgynae, terminalis basi mascula 
235. ©. echinata Murray. 
Subgenus II. Eu-Carex. Stylus 3-fidus. 
Spicae ovoideae aut oblongae, terminalis apice mascula basi foeminea 
