MOUNT RORAIMA IX HRITISH GUIANA. 73 



FUIRENA UMBELLATA, Rottb. Descr. et Ic. PI. p. 70, t. 1!). f. 3. 



Ireng Valley, MeCormell fy Qtielch, 254. 



Hypolytrum pungens, Vahl, Enum. ii. |>. 283. 

 Kotinga Valley, McDonnell Sf Quelch, 179. 



EVERARDIA ANGUSTA, N. E. Brown, sp. n. Folia lint-aria, acuta, laxe pilosa. Culmi 

 basi vaginati, apbylli, valde compressi, leviter concavo-convcxi, parce pilosi vcl fere 

 glabri. Panicula elongata, linearia, stricta, ramis gracilibus erectis 1- (rare 2-)spicu- 

 latis in axillis vaginorum aggregatis. Spiculse masculse lanceolatae, glumis 5-7 

 coraccis oblongis acutis mucronatis brunneis sterilibus et glumis 1-6 niembranaceis 

 oblongis obtnsis fertilibus instructs; stamina sub quaquc gluma 6-12. Spicuke 

 fcemineoe omnes ad apicem paniculi dispositse, glumis 5 oblongo-lanceolatis acutis 

 mucronatis ovarium solitarium stipitatum circumdatis ; stigmata 3, dense villosa » 

 pili hypogyni copiosi. 

 Leaves in tufts of 3-6, distinct from the flowering culms, 8-12 in. lornr. 14-11 lin 

 broad, linear, acute, often folded, but when expanded channelled down the face, with an 

 acute ridge on each side of the channel, flat on the back, thinly pilose, usually slightly 

 recurving. Flowering culms 14-18 in. high, including the panicle, J-f lin. broad, 

 flattened, slightly concave on one side, convex on the other, sparingly pilose or nearly 

 glabrous, produced on distinct leafless shoots, embraced by a long glabrous leafless sheath 

 at the base. Panicle 7-12 in. long, strictly erect, linear, composed of 1—5 distant tufts 

 of erect, simple or once umbellately divided, filiform branchlets, clustered in the axils of 

 close-fitting brown sheaths $— | in. long, which have spreading leafy points ^-1 in. long. 

 Spikelets solitary or very rarely 2 at the end of the branchlets, light brown. Male 

 spikelets 3-4 fin. long, 1-1 j lin. thick, lanceolate, with 5-7 coriaceous, oblong, acute, 

 mucrouate, brown empty glumes, thinly and minutely pubescent on the back, and 4-6 

 membranous, oblong, obtuse, fertile glumes; stamens 6-12 under each glume; anthers 

 2 lin. long, linear, tipped with a minute tuft of stiff hairs. Female spikelets all at 

 the apex of the panicle, more slender than the males, 3 lin. long, about § lin. thick, with 

 about 5 oblong-lanceolate, acute, mucronate, minutely ciliate glumes surrounding the 

 solitary pubescent ovary ; stigmas 3, densely villose ; hypogynous hairs copious. 

 Summit of Mount Roraima, S600 ft., McConnell 8f Quelch, 676. 



This species is easily distinguished from the following by its very much narrower 

 leaves and less floriferous panicles. 



Evehardia Montana, Ridl. in Trans. Linn. Soc. Ser. II. Eot. ii. (1887), p. 2S7. 

 Summit of Mount Roraima, McConnell 8f Quelch, 674. — Endemic. 



GRAMINE.E. 



Panictjm eligtjlatum, N. E. Brown, sp. n. Folia erecta, linearia, attenuato-acuta, 



rigida, cinereo-glauca. supra ad basin longe villosa et ad basi vaginorum villoso- 

 tomentosa ; ligula nulla. Culmi 10-13 poll, longi, stricti, striata, glabri, ad nodos 



SECOND SERIES. — BOTANY, VOL. VI. L 



