24 CXXXIII. ORCHIDEZ (ROLFE). [Bulbophyllum. 
Sepals oblong, obtuse : : . 28. B. pavimentatum. 
Sepals ovate, acute . S i . 29. B. tetragonum. 
Sepals triangular, cuspidate : . 80. B. Pipio. 
Sepals pubescent or villose. 
Lip attenuate at the base; rhachis 
cylindrical : : . 31. B. comatum. 
Lip broad at the base; rhachis much 
thickened . : . . 32. B. inflatum. 
Lip barbate with long hairs. 
Scapes 1 ft. or more long. 
Bracts lanceolate-oblong, acute . . 33. B. calamarium. 
Bracts elliptical-oblong, obtuse . . 384. B. rupincola, 
Scapes under 6 in, long. 
Pseudobulbs ovoid-oblong. 
Flowers secund ; lateral sepals united S 
at the base . : : . 35. B. porphyroglossum. 
Flowers distichous or scattered, lateral 
sepals free. 
Bracts distichous, subdistant . 36. B. distans. 
Bracts not distichous, approximate 37. B. saltatorium. 
Pseudobulbs orbicular, subcompressed . 38. B. barbigerum., 
Pseudobulbs flattened from the top (a very 
dwarf species) . ; ; . 39. B. Nummularia, 
**Lip trilobed, 
Petals spathulate . i : : S . 40. B. Gabonis. 
Petals ligulate S : s S : i . 41. B. Herminiostachys. 
1. B. fuscum, Lindl. in Bot. Reg. 1839, Misc. 3. Pseudobulbs 
3—14 in. apart, on a creeping rhizome, oblong or elliptical-oblong, 
tetragonous, 7—12 lin. long, diphyllous. Leaves oblong or elliptical- 
oblong, obtuse, 4-2} in. long, 34-6 lin. broad. Scapes suberect, 
somewhat arching above the middle, 2-34 in. long; spikes }-14 in. 
long. Bracts distichous, lax, triangular-ovate, acuminate, 1-2 lin. 
long. Sepals subequal, triangular-ovate, acuminate, 2 lin. long. 
Petals subulate-linear, acute, 1 lin. long. Lip very fleshy, oblong, 
obtuse, glabrous, ł lin. long, with an acute keel in front, and two 
similar lateral ones behind, which terminate abruptly at the base as 
winglike appendages. Column 4 lin. long; teeth very short, obtuse, 
and winglike.—Reichb. f. in Walp. Ann. vi. 256. 
Upper Guinea. Sierra Leone, Loddiges! Sugarloaf Mountain, Barter, 8! 
Scott-Elliot, 4023 ! 
A flowerless specimen from Sierra Leone, Afzelius, in Swartz’s Herbarium appears 
to be a luxuriant form of this species. 
2. B. Oreonastes, Reichb. f. Otia Bot. Hamb. ii. 118. Pseudobulbs 
3—1 in. apart, on a creeping rhizome, 4-angled, ovoid-oblong, 3 in. long, 
2-leaved. Leaves oblong, obtuse, 14-1} in. long, 3-5 lin. broad, base 
contracted into a short petiole. Scapes suberect, arching, 24-4 in. 
long ; racemes 14-2 in. long. Sepals ovate-triangular, acute; lateral 
ones slightly faleate, 14-2 lin. long. Petals subulate from a triangular- 
lanceolate base, nearly 1 lin. long. Lip strongly recurved, fleshy, 
obtuse, glabrous, ł lin. long. ` Column very stout, 4 lin. long; teeth 
