FLORA OF BRAZIL. 193 
Has. Waste and cultivated places, about Rio. Fl. Sept. 
148. Pleurostachys stricta. Kunth Enum. 2. p. 286. 
Has. Common, in woods on the ascent of the Corcovado. 
. Aug. 
149. Trilepis Lihotzkiana. Nees ab Esenb. in Edin. New Phil. 
Journ. July 1834, p. 267. Kunth Enum. 2. p. 535. 
Has. On dry exposed rocky places, common on the Moro 
do Flamingo. . Sept. 
150. Eleocharis ochreata. Nees. ab. Esenb. in Linnea 9. p. 294. 
Has. In moist sandy places at Rio Comprido. FI. Aug. 
CowTRiBUTIONS towards a Fuora of South America.— 
Enumeration of Plants collected by Mr. SCHOMBURGK in 
British Guiana. By GgoncE Brentuam, Esa. F.L.S. 
(Continued from the First Series, vol. 4. p. 323). 
FILICES. 
Determined and described by J. Smitu, A.L.S. 
POLYPODIACES. 
Tribe PoLYPODIE®, J. Sm. 
694. Grammitis serrulata Sw. Willd. Sp. Pl. 4. v. 141. 
British Guiana, Schomburgk, n. 441. : 
695. Hecistopteris pumila. J.,Sm.— Gymnogramma pumila 
Spreng. Syst. Suppl. p. 31. Kunze Analect. Pter. t. 8. f. 1- 
British Guiana, Schomburgk ; Surinam, Hostmann. 
Hecistopreris (J. Sm. gen. nov.) CHAR. Gen. Costa 
solitaria, simpliciter v. dichotome furcata. Venule recte, 
libere. ^ Receptaculum sporangiferum partem superiorem 
venularum occupans, soros formans oblongo-lineares, simplices 
V. furcatos, nudos.— Rhizoma repens, breve squamis parvis 
lanceolatis membranaceis fuscis munitum. Frondes vix pol- 
licem longe, glabree, planze, lineares v. cuneate et laciniate, 
v. furcatee, basi valde attenuata stipiteformi, laciniis acutis. 
Sori plerumque confluentes. 
