180 cxxxiii. ORCHiDE.E (rolfe). [Polystachya. 



or oblong-linear, 1-3 in. long, 2-3 J lin. broad. Scapes slender, more 

 or less branched; panicles |-1J in. long, often somewhat deflexed, 

 setose-hispid. Bracts lanceolate-acuminate from a broader base, |-1 

 lin. long. Pedicels 1-1 J 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, f lin. long; 

 side lobes erect, oblong, subobtuse ; front lobe ovate-suborbicular, 

 obtuse, somewhat recurved. Column stout, J lin. long. Chin saccate- 

 oblong, obtuse. 



Upper Guinea. Cameroon Mountains, 5000 ft., Mann, 2125 ! 



70. P. spatella, Krdnzl.in Engl. Jahrh.xix.2ol. 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. — Kranzl. in Engl. Pfl. Ost- 

 Afr. C. 155. 



Nile Ziand. British East Africa : Ruwenzori, in forest, 8200 ft., SttiUmann, 

 2334. 



(Jnly known to me from the original description. 



71. P. Elliotii, Bmdle in Journ. Bot. 1895, 198. Plant 6-9 in. 

 high. Stems slender, superposed, 1-2-leaved. Leaves linear or linear- 

 lanceolate, acute or subacute, 2J-4 in. long, 2|-3 lin. broad. Scapes 

 slender, 2-2 1 in. long, setulose ; racemes simple, few-flowered. Bracts 

 triangular-lanceolate, acuminate, 1 lin. long. Pedicels 1-2 lin. long. 

 Dorsal sepal ovate-lanceolate, acute, 2 J 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 ; disc smooth, but with a slightly thickened callus 

 between the side lobes. Column stout, \\ lin. long. Chin oblong, 

 obtuse, 2\ lin. long. 



Wile Iiand. British East Africa : Ruwenzori, 8000 ft., on tree trunks, Scott- 

 Elliott, 7796 ! 



72. P. ruwenzoriensis, Rendle in Journ. Bot. 1895, 199. Plant 

 G in. high. Pseudobulbs subcylindric, superposed, 1-lJ in. long, 

 2-leaved. Leaves linear oi* linear-lanceolate, obtuse, l-lj in. long, 

 l]-2 lin. broad. Scapes slender, 1 in. long, puberulous, few-flowered. 

 Bracts ovate, acuminate, f lin. long. Dorsal sepal ovate-oblong, acute, 



