42 CXXXIII. ORCHIDE® (ROLFE). | Megaclinium. 
16 lin. long, 5 lin. broad. Bracts reflexed, ovate-triangular acute, 
1-1} lin. long. Flowers 2 lin. apart. Pedicels 2 lin. long, velvety. 
Dorsal sepal oblong, subobtuse, 24 lin. long; lateral ones subfalcate- 
triangular, acute, 14 lin. long; apex reflexed. Petals falcate-linear, 
acute, 14 lin. long. Lip oblong, acute, from a very broad base, ł lin. 
long. Column } lin. long, with very broad, obtuse, wing-like teeth.— 
Bulbophyllum melanorrhachis, Reichb. f. 1. c. in note. 
Upper Guinea. Sierra Leone, cultivated specimens! 
Flowered at Kew in 1860, and in the collection of W. Wilson Saunders in 1872. 
15. M. pusillum, Rolfe in Kew Bulletin, 1894, 362. Pseudobulbs 
ovoid-oblong, 4-angled, 1-14 in. long, 2-leaved. Leaves linear-oblong, 
obtuse, 3 in. long, } in. broad. Scapes about 4 in. long, with a few 
membranous sheaths ; rhachis short, compressed, obscurely crenulate, 
unequal-sided, 14 in. long, 4 lin. broad, light green, densely speckled 
with purple-brown. Bracts ovate, subacute, spreading, 14 lin. long. 
Flowers a little darker than the rhachis. Dorsal sepal linear, subobtuse, 
recurved, 34 lin. long; lateral ones broadly ovate, faleately incurved, 
velvety on the face, 14 lin. long; apex attenuate. Petals very narrow, 
recurved, 24 lin. long. Lip broad at the base, narrow, obtuse and 
recurved above, 1 lin. long. Column short, margined, without teeth. 
East Tropical Africa. Without locality, cultivated specimen! 
Flowered in the Royal Botanic Garden, Glasnevin, in 1895. 
16. M. tentaculigerum, Keichb. f. in Flora, 1878, 78 in note. 
Pseudobulbs 4-angled. Leaves cuneate-ligulate, subacute. Scapes with 
as many as five sheaths, the upper ones large and loose ; rhachis leaf-like, 
variegated, smooth. Flowers arranged in eccentric lines, brown and 
yellow. Bracts oblong-ligulate, acute or acuminate, at length deflexed. 
Dorsal sepal ligulate, acute; lateral ones oblong, acuminate. Petals 
filiform, as long as the sepals, with spathulate apex. Lip ancipitous, 
sigmoid, with a pair of erect, triangular auricles at the base. Column 
elongate, acute at both sides of the apex; base winged.—Durand & 
Schinz, Conspect. Fl. Afr. v. 16. Bulbophyllum tentaculigerum, Reichb. 
f. in Flora, 1878, 77. 
Upper Guinea. Cameroons: at Mopanza, on lava at 5000-6000 ft., Kalbreyer. 
Only known to me from the original description, but said to be allied to M. Melleri, 
Hook. f. 
17. M. Melleri, Hook. f. in Bot. Mag. sub t. 5936. Rhizome 
creeping, stout and woody. Pseudobulbs }—1} in. apart, oblong, strongly 
5-angled, 1-14 in. long, 2-leaved. Leaves oblong or elliptical-oblong, 
obtuse, 1-2} in. long, 5-9 lin. broad. Scapes suberect, 3 in. long, with 
several loose, tubular-spathaceous, obtuse sheaths ; rhachis linear-oblong, 
rather fleshy, }-1 in. long, 2-3 broad. Bracts broadly ovate, subobtuse, 
spreading, 1}—2 lin. long, 24 3 lin. apart. Sepals triangular. Petals 
linear, incurved, obtuse. Lip ancipitous; base with rounded auricles. 
Column trigonous, with tridentate apex and a keel extending to the 
base.— Bulbophyllum Melleri, Reichb. f. in Flora, 1878, 78. 
