28. CXXXII. ORCHIDEZ (ROLFE). [Bulbophyllum. 
bulbs 1-4 in. apart on a slender creeping rhizome, narrowly ovate- 
oblong, 1-1ł in. long, 2-leaved. Leaves oblong-linear, obtuse or 
emarginate, 3-44 in. long, 2-3 lin. broad. Scapes erect, 43-8 in. 
high; spike $-11 in. long. Bracts distichous, ovate-oblong, subacute, 
carinate, concave, imbricate, 4 lin. long. Dorsal sepal triangular- 
lanceolate, subacute, glabrous, somewhat fleshy, 3 lin. long ; lateral 
ones similar, but slightly narrower. Petals lanceolate-linear, acute, 
straight, glabrous, 1 lin, long. Lip reflexed from the base, spathulate- 
ligulate, obtuse, flat, 24 lin. long; margin densely ciliate ; base narrow 
and scarcely auriculate. Column 4 lin. long; teeth subulate, acute, $ 
lin. long.—B. monticolum, Hook. f. in Journ. Linn. Soc. vii. 219; 
Durand & Schinz, Conspect. Fl. Afr. v. 13. 
Upper Guinea. Fernando Po, 3000 ft., on trees, Mann, 650! 
Lower Guinea. Angola (ex Durand & Schinz). 
I cannot find a single character to separate B. monticolum, Hook. f. 
14. B. cochleatum, Lindl. in Journ. Linn. Soc. vi. 125. Pseudo- 
bulbs 4 in. apart on a creeping rhizome, elongate-linear, terete, 2-3 in. 
long, 2-leaved. Leaves oblong-linear, obtuse, subsessile, 3-5 in. long, 
3-9 lin. broad, Scape suberect, about 6 in. high ; spike dense, 24 in. 
long. Bracts distichous, broadly ovate, subacute, concave, imbricate, 
3-34 lin. long. Dorsal sepal ovate-triangular, subobtuse, glabrous, 
somewhat fleshy, reflexed above the middle, 2 lin. long; lateral ones 
similar but narrower. Petals triangular, subobtuse, fleshy, inflexed 
above the middle, 2 lin. long. Lip lanceolate-oblong, subobtuse, ciliate, 
flat, 14 lin. long; base rounded and somewhat auriculate ; disc with a 
oe central keel. Column } lin. long; teeth subulate, acute, $ lin. 
ong. 
Upper Guinea. Fernando Po, 4000 ft., on trees, Mann, 643! 
15. B. Mannii, Hook. f. in Journ. Linn. Soc. vii. 218. Pseudobulbs 
1-2} in. apart on a stout rhizome, elongate, subterete, gradually 
narrowed upwards, 3-34 in. long, 2-leaved. Leaves oblong-linear, 
subobtuse, 44—7 in. long, 5-10 lin. broad. Scape erect, 14-21 ft. high ; 
spike dense, 34-4 in. long. Bracts distichous, ovate or ovate-oblong, 
acute, carinate, concave, imbricate,4—5 lin. long. Dorsal sepal triangular- 
lanceolate, attenuate upwards and acute, glabrous, somewhat fleshy, 
24-3 lin. long; lateral ones similar, but narrower. Petals subulate- 
linear, acute, erect, subfaleate, glabrous, 1 lin. long. Lip spathulate- 
ligulate, obtuse, strongly ciliate, flat, 2 lin. long; base not auriculate ; 
dise with a narrow central keel. Column 4 lin, long; teeth subulate, 
acute, 4 lin. long. 
Upper Guinea. Cameroon Mountains, 4000-5000 ft., Mann, 1837! 2111! 
16. B. lupulinum, Lindl. in Journ. Linn. Soc. vi. 126. Pseudo- 
bulbs 3 in. or more apart on a stout rhizome, oblong, compressed- 
triquetrous, angles acute, 2—3 in. long, 8—14 lin. broad, 2-leaved. 
Leaves oblong, obtuse, 6-8 in. long, 1-1} in. broad. Scapes suberect, 
}-1 ft. high, with broad loose sheaths below ; spikes compressed, 5—6 
