40 cxxxiii. ORCHiDE^ (rolfe). [MegacUnium. 



6-7 lin. broad, dark purple. Bracts reflexed. ovate, subacute, 1 lin. 

 long, velvety. Flowers minutely velvety outside. Dorsal sepal 

 lanceolate- oblong, subobtuse, recurved, 2 J lin. long, yellow; lateral ones 

 ovate-triangular, acute, apex reflexed, 1| lin. long, dark purple. Petals 

 falcate-lanceolate, acute, 1 J lin. long, yellow. Lip ovate, obtuse, trans- 

 versely corrugated, IJ lin. long, purple. Column J lin. long; base 

 broadly winged ; wings terminating in broad, obtuse teeth. — BiUbo- 

 phyllum velutinum, Reichb. f. in Walp. Ann. vi. 258. 



Upper Guinea. Gold Coast : Cape Coast Castle. Loddiges, cultivated specimen ! 



9. M. colnbrinmn, Reichh. 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 flexupus. Bracts ligulate, deflexed. Flowers dark violet, 

 shining, larger than those of M. jfalcatum. 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. — Bvlhcyphyllum colubri- 

 num, Reichb. f. in Walp. Ann. vi. 257. 



Locality unknown, but probably Tropical Africa. 



Originally described from a plant cultivated by Bootb & Sop, 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, liolfe in Kew Bulletin^ 1893, 5. Pseudobulbs 

 approximate, ovoid-oblong, obscurely triangular, J-l;j in. long, 2-leaved. 

 Leaves linear-oblong, obtuse or minutely bidentate, \-\ in. long, 

 ]|-2J lin. broad. Scapes short, suberect, 1| in. long; rhachis oblong, 

 crenulate, minutely lepidote, purple-brown, 1 in. long, 2^ 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, IJ lin. long; lateral ones ovate-triangular, shortly 

 acuminate, 1 lin. long; apex reflexed. Petals linear-subulate, acumi- 

 nate, f 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, C-8 lin. long, 2-leaved. Leaves oblong-linear, obtuse, 2-3 in. 

 long, 3-5 lin. broad. Scapes dwarf, i-'l}^ ^^' loog ; rhachis flattened, 



