130 CXXXIII. ORCHIDEX (ROLFE). [ Polystachya. 
or oblong-linear, 1-3 in. long, 2-3) lin. broad. Seapes slender, more 
or less branched; panicles #-11 in. long, often somewhat deflexed, 
setose-hispid. Bracts lanceolate-acuminate from a broader base, {-1 
lin. long. Pedicels 1-1} lin. long. Dorsal sepal ovate, obtuse, con- 
cave, 1 lin. long; lateral broadly ovate, obtuse. Petals subspathulate- 
oblong, apiculate, incurved, 1 lin. long. Lip trilobed, ł lin. long; 
side lobes erect, oblong, subobtuse ; front lobe ovate-suborbicular, 
obtuse, somewhat recurved. Column stout, 4 lin. long. Chin saccate- 
oblong, obtuse. 
Upper Guinea. Cameroon Mountains, 5000 ft., Mann, 2125! 
70. P. spatella, Kränzl.in Engl. Jahrb. xix.251. Stems slender, 
scarcely thickened at the base, 2-leaved. Leaves linear-lanceolate, 
4 lin, long, 4 lin. broad ; apex acutely bilobed. Scapes slender, nodding, 
longer than the leaves ` racemes short, few-flowered ; rhachis slightly 
flattened, setulose. Bracts long, setaceous from a triangular base, 
shorter than the ovary. Flowers 5 lin. long, 2 lin. broad. Dorsal 
sepal lanceolate, concave; lateral broadly oblong, subfalcate, acute. 
Petals narrowly linear, acute, of the same length as the sepals. Lip 
with a long, linear, densely setose claw, thence suddenly dilated into a 
three-lobed, sparsely setose limb; side lobes oblong, obtuse; front 
lobe orbicular, umbonate in the middle, and with some thickened lines 
radiating from it to the margin. Column short, foot setose. Chin 
cylindric, as long as the rest of the flower.—Krinzl. in Engl. P. Ost- 
Afr. ©. 155. 
ae Land. British East Africa: Ruwenzori, in forest, 8200 ft., Stuhlmann, 
Only known to me from the original description. 
71. P. Elliotii, Rendle in Journ. Bot. 1895, 198. Plant 6-9 in. 
high. Stems slender, superposed, 1—2-leaved. Leaves linear or linear- 
lanceolate, acute or subacute, 24-4 in. long, 24-3 lin. broad. Scapes 
slender, 2-2} in. long, setulose ; racemes simple, few-flowered. Bracts 
triangular-lanceolate, acuminate, 1 lin. long. Pedicels 1-2 lin. long. 
Dorsal sepal ovate-lanceolate, acute, 21 in. long; lateral triangular- 
ovate, acuminate. Petals lanceolate, subacute, 2 lin. long. Lip 4 lin. 
long, unguiculate, trilobed; side lobes elliptic-oblong, obtuse ; front 
lobe ovate-orbicular, apiculate; base of limb with a chin-like swelling 
on the lower surface; dise smooth, but with a slightly thickened callus 
between the side lobes. Column stout, 14 lin. long. Chin oblong, 
obtuse, 24 lin. long. 
Wile Land. British East Africa: Ruwenzori, 8000 ft., on tree trunks, Scott- 
Elliott, 7796 ! 
72. P. ruwenzoriensis, Rendle in Journ. Bot. 1895, 199. Plant 
6 in. high. Pseudobulbs subcylindric, superposed, 1-1} in. long, 
2-leaved. Leaves linear or linear-lanceolate, obtuse, 1-1} in. long, 
1}—2 lin. broad. Scapes slender, 1 in. long, puberulous, few-flowered. 
Bracts ovate, acuminate, 3 lin. long. Dorsal sepal ovate-oblong, acute, 
