PROF. OLIVER ON NEW PLANTS FROM RORAIMA. 295 
287 (45%). Асковтісит/м ($ ELAPHOGLOSSUM) LEPTOPHLEBIUM, n. sp.; rhizomate repente 
cylindrico lignoso paleis parvis membranaceis lanceolatis brunneis crispatis dense 
vestito, stipite elongato stramineo subnudo, fronde sterili lanceolato membranaceo 
glabro paleis paucis lanceolatis ad marginem et faciem inferiorem pr:edito, venis 
laxis perspicuis erecto-patentibus simplicibus vel furcatis intra marginem terminan- 
tibus, fronde sterili multo minore, stipite longiore. 
Sterile lamina a foot or more long, 18-20 lines broad, cuneate at the base, with a 
slender fragile stipe 4-5 inehes long. Feftile lamina 4-5 inches long, an inch broad, 
with a stipe about a foot long. Found upon the upper slopes of the mountain. 
93. ACROSTICHUM MUSCOSUM, Sw., var. A. ENGELII, Karst. In the neighbourhood of 
the encampment. 
218. AcnosrICHUM SQUAMOSUM, Sw. Upper slopes of the mountain. 
41. AcnosricHUM ($ RurPrpoPTERIS) PELTATUM, Sw. In the neighbourhood of the 
encampment. 
100. SCHIZÆA picnoroma, Sw. In the neighbourhood of the encampment. New to 
Guiana. 
85. SCHIZXA ELEGANS, Sw. In the neighbourhood of the encampment. 
263. ANEMIA TOMENTOSA, Sw. In the neighbourhood of the encampment. 
146. LYCOPODIUM ALOPECUROIDES, L. In the neighbourhood of the encampment. 
192. LYCOPODIUM LINIFOLIUM, L., уат. SARMENTOSUM RUBESCENS, Spring. Upper slopes 
of the mountain. 
230. LYCOPODIUM SUBULATUM, Desv. Base of the cliff. 
226 (159*). SELAGINELLA (§ STACHYGYNANDRUM) VERNICOSA, n. sp. (Plate LVI. A. figs. 
1-7); саше basi decumbente superne recto laxe pinnato, ramulis paucis brevibus 
ascendentibus, foliis heteromorphis distichis crassis firmis nitide viridibus, planze 
inferioris confertis erecto-patentibus ovatis obtusis margine ubique denticulatis - 
planæ superioris duplo brevioribus ascendentibus ovatis obtusis valde imbricatis, 
spicis tetragonis brevissimis, bracteis conformibus magnis ovatis acutis. 
This belongs to the Atrovirides group in the neighbourhood of 5. Martensii. The 
main stems are about half a foot long, the leafy branches an eighth of an ineh broad, 
and the leaves of the lower plane a line long. The type (A. figs. 1-7) as described was 
found at the base of the cliff, and a variety (No. 381) (В. fig. 8, var. oligoclada), with much 
fewer more elongated branches, near the encampment. 
122 (186*). SELAGINELLA ($ STACHYGYNANDRUM) RORAIMENSIS, n. sp. (Plate LVI. C. 
figs. 9-14); саше erecto 3—4-pinnato, ramis laxe dispositis ascendentibus Yamulis 
brevibus, foliis heteromorphis distichis membranaceis, planze inferioris laxis oblongo- 
lanceolatis acutis valde inzquilateralibus basi superiore producto late rotundato, 
plan: superioris ovatis ascendentibus cuspidatis, spicis tetragonis, bracteis con- 
formibus ovatis acutis valde imbricatis acute carinatis sporangiis duplo longioribus. 
Belongs to the Radiate group in the neighbourhood of 5. radiata and confusa. Тһе 
main stems are 4 or 5 inches long, the leafy branches $ in. broad, and the leaves of the 
lower plane a line long. Found in the neighbourhood of the encampment. 
