PROF. OLIVER ON NEW PLANTS FROM RORAIMA. 299 
Ртлте XLV. 
Figs. 1 & 2. Tabebuia Roraime, Oliver, sp. n. 1, plant in flower; 2, stamens. АП enlarged. 
PLATE XLVI. 
Figs. 1-6. (А.) Epidendrum Imthurnii, Ridley, sp. п. 1, plant in flower; 2, flower; 3, labellum and 
column, front view; 4, ditto, side view; 5, anther-case; 6, pollinia. All enlarged. 
Figs. 7-10. (B.) Epidendrum violascens, Ridley, sp. п. 7, plant in flower; 8, expanded flower; 9, same, 
posterior sepal and lateral petal attached ; 10, fruiting specimen. Figs. 7 and 10 about nat. 
size, 8 and 9 are enlarged. 
РгАТЕ XLVII. 
Figs. 1-6. Zygopetalum venustum, Ridley, sp.n. 1, plant in flower; 2, labellum and column ; 3, label- 
lum, side view ; 4, column; 5, anther-case; 6, pollinium. АП enlarged. 
Prare XLVIII. 
Figs. 1-6. (A.) Stenoptera adnata, Ridley, sp. n. 1, plant in flower; 2, flower; 3, labellum; 4, 
column ; 5, same, side view; 6, pollen. All enlarged. 
Figs. 7-11. (B.) Pelexia aphylla, Ridley, sp. n. 7, plant in flower; 8, expanded flower; 9, longitudinal 
section of perianth-tube, with labellum ; 10, column; 11, pollen. АП enlarged. 
Prate XLIX. 
Figs. 1-6. (A.) Tofieldia Schomburgkiana, Oliver, sp. n. 1, plant in flower; 2, fragment of leaf, showing 
ciliolate margin; 3, flower; 4, stamen; 5, pistil; 6, transverse section of ovary. All en- 
larged. 
Figs. 7-14. (B.) Pepalanthus Roraime, Oliver, sp. n. 7, plant; 8, outer smaller, and inner larger 
involucral bracts; 9, staminate flower and bracteole; 10, same, expanded; 11, inner peri- 
anth-segment and adnate stamen ; 12, stamen, back and front view; 13, pistillate flower ; 
14, pistil. All enlarged. 
' PLATE L. 
Figs. 1-8. (A.) Xyris setigera, Oliver, sp. n. 1, plant in flower ; 2, fragment of leaf, showing setose 
margin; 3, involucral bract; 4, flower; 5, perianth, laid open; 6, stamen; 7, penicillate 
staminodia; 8, style-branches. All enlarged. 
Figs. 9-15. (B.) Xyris witsenioides, Oliver, sp. n. 9, plant in flower; 10 & 11, involucral scales; 12, 
perianth, laid open; 13, 13 а, anthers, back and front; 14, staminode; 15, pistil. All en- 
larged. 
Prate Ш. 
Figs. 1-6. Cryptangium stellatum, Beckl. 1, plant; 2, branchlet of inflorescence ; 3, spikelet; 4 & 5, 
outer and inner glumes; 6, anther. All enlarged. 
РАТЕ LII. 
Figs. 1-8. Everardia montana, Ridley, sp. 0. 1, plant; 2, branchlet of inflorescence ; 3, male spikelet ; 
4, florets; 5, glume; 6, stamens ; 7, female spikelet ; 8, pistil and hypogynous sete. Fig. 1 
about nat size, all others enlarged. қ 
