24 cxxxiii. ORCHiDEiE (rolfe). [BulhophyUum. 



Sepals oblong, obtuse . . . 28. S. pavimentatum. 



Sepals ovate, acute .... 29. £. tetragonum. 



Sepals triangular, cuspidate . . 30. B. Pipio. 



Sepals pubescent or villose. 



Lip attenuate at the base ; rhachis 



cylindrical . . . . 31. 5. comatum. 



Lip broad at the base ; rhachis much 



thickened ..... 32. B. infiatum. 



Lip barbate with long hairs. 

 Scapes 1 ft. or more long. 



Bracts lanceolate-oblong, acute . . 33. B. calamarium. 



Bracts elliptical-oblong, obtuse . . 34. B, rupincola. 



Scapes under 6 in. long, 

 Pseudobulbs ovoid-oblong. 



Flowers secund ; lateral sepals united 



at the base .... 35. B. jporphyroglossum. 



Flowers distichous or scattered, lateral 

 sepals free. 

 Bracts distichous, subdistant . 36. B. disians. 

 Bracts not distichous, approximate 37. B. saltatorium, 

 Pseudobulbs orbicular, subcompressed . 38. B. harbigerum, 

 Pseudobulbs flattened from the top (a very 



dwarf species) .... 39. B. Nummularia. 



"^Lip trilobed. 



Petals spathulate . . . . . . . 40. .B. Gabonis. 



Petals ligulate . . . . , . . 41. B. Herminiostachys. 



1. B. fascum, Lindl. in Bot Reg. 1839, Misc. 3. Pseudobulbs 

 J-lJ in. apart, on a creeping rhizome, oblong or elliptical-oblong, 

 tetragonous, 7—12 lin. long, diphyllous. Leaves oblong or elliptical- 

 oblong, obtuse, J-2J in. long, 3J-6 ]in. broad. Scapes suberect, 

 somewhat arching above the middle, 2-3J in. long ; spikes |-1J 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, gla,brous, f lin. long, with an acute keel in front, and two 

 similar lateral ones behind, which terminate abruptly at the base as 

 winglike appendages. Column ^ 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-miiot, 4023 ! 



A flowerless specimen from Sierra Leone, Afzelius, in Swartz's Herbarium appears 

 to be a luxuriant form of this species. 



2. B. Oreonastes, Reichh.f. Otia Bot. Hamh. ii. 118. Pseudobulbs 

 J— 1 in. apart, on a creeping rhizome, 4-angled, ovoid-oblong, | in. long, 

 2-leaved. Leaves oblong, obtuse, Ij-lf in. long, 3-5 lin. broad, base 

 contracted into a short petiole. Scapes suberect, arching, 2J-4 in. 

 long ; racemes 1^2 in. long. Sepals ovate-triangular, acute ; lateral 

 ones slightly falcate, 1 J-2 lin. long. Petals subulate from a triangular- 

 lanceolate base, nearly 1 lin. long. Lip strongly recurved, fleshy, 

 obtuse, glabrous, J lin. long. Column very stout, J lin. long; teeth 



