40 CXXXIII. ORCHIDEX (ROLFE). [Megaclinium. 
6-7 lin. broad, dark purple. Bracts reflexed, ovate, subacute, 1 lin. 
long, velvety. Flowers minutely velvety outside. Dorsal sepal 
lanceolate-oblong, subobtuse, recurved, 24 lin. long, yellow; lateral ones 
ovate-triangular, acute, apex reflexed, 13 lin. long, dark purple. Petals 
falcate-lanceolate, acute, 14 lin. long, yellow. Lip ovate, obtuse, trans- 
versely corrugated, 1} lin. long, purple. Column } lin. long; base 
broadly winged; wings terminating in broad, obtuse teeth.—Bulbo- 
phyllum velutinum, Reichb, f. in Walp. Ann. vi. 258. 
Upper Guinea. Gold Coast : Cape Coast Castle, Loddiges, cultivated specimen ! 
9. M. colubrinum, Peichb. f. in Bonplandia, iii. 223. Rhizome 
stout and woody, clothed with withered sheaths. Pseudobulbs triangular, 
the faces oval. Leaf cuneate-oblong, fleshy, apex subemarginate, 4 in. 
long, 1 in. broad. Scape a span high, blackish-violet, with many 
white spots, terete to the middle, with seven sheaths, 2-edged above ; 
margin flexuous. Bracts ligulate, deflexed. Flowers dark violet, 
shining, larger than those of M. falcatum. Sepals very smooth and 
glabrous, cuspidate, yellowish-green inside. Petals falcate, acute, a 
third shorter than the sepals. Lip ligulate, subtrilobed, very fleshy, 
yellow, spotted with dark violet. Column channelled, winged, obtusely 
angled at each side behind the apex, yellow, spotted with dark violet ; 
clinandrium or anther-bed obtusely tridentate.—Bulbophyllum colubri- 
num, Reichb. f. in Walp. Ann. vi. 257. 
Locality unknown, but probably Tropical Africa. 
Originally described from a plant cultivated by Booth & Son, Flottbeck, near 
Hamburg, in 1855, and only known to me from the description, but apparently allied 
to the preceding in its triangular pseudobulbs and other characters. 
10. M. minutum, Rolfe in Kew Bulletin, 1893, 5. Pseudobulbs 
approximate, ovoid-oblong, obscurely triangular, L 11 in. long, 2-leaved. 
Leaves linear-oblong, obtuse or minutely bidentate, }-1 in. long, 
14-24 lin. broad. Scapes short, suberect, 14 in. long; rhachis oblong, 
crenulate, minutely lepidote, purple-brown, 1 in. long, 24 lin. broad, 
about 12-flowered. Bracts reflexed, triangular, acute, 1 lin. long. 
Flowers fleshy, dull maroon, greenish-yellow towards the base of the 
segments. Pedicels and back of sepals ferrugineous-pubescent. Dorsal 
sepal oblong, obtuse, 1} lin. long; lateral ones ovate-triangular, shortly 
acuminate, 1 lin. long; apex reflexed. Petals linear-subulate, acumi- 
nate, ł lin. long. Lip cordate-ovate, obtuse, } lin. long; its apex 
reflexed. Column very short, with small oblong obtuse wing-like 
teeth.—Bot. Mag. t. 7314. 
Upper Guinea. Sierra Leone, at the top of Sugarloaf Mountain, 3000 ft., 
Elliot ! 
The smallest species known. Flowered at Kew in August 1892. 
- 11. M. Millenii, Rolfe. Pseudobulbs approximate, ovoid-oblong, 
4-angled, 6-8 lin. long, 2-leaved. Leaves oblong-linear, obtuse, 2-3 in. 
long, 3-5 lin. broad. Scapes dwarf, 2—2} in. long; rhachis flattened, 
