Polystachya.'] cxxxiii. orchide^ (rolfe). 123 



3 lin. long. Flowers deep yellow. Dorsal sepal linear-ligulate, Ij lin. 

 long; lateral broader than the dorsal. Petals linear, acute, IJ lin. 

 long. Lip broadly dilated, trifid ; side lobes triangular ; front lobe 

 longer than the side lobes, subretuse, apiculate ; disc velvety, puberulous. 

 Column very short. Chin conical, obtuse. 



Xio^irer Guinea. Angola: Pungo Andongo; terrestrial, on higli, precipitous 

 rocks at Pedro de Cazella and Pedro de Canbondo, rare, and not seen under 3400 ft., 

 Welwitsch, 696 ! 



A fruiting specimen collected on the Niger Delta, at Grand Bassa, by Vogel ! 

 seems allied to the present one, but the material is inadequate for satisfactory 

 determination. 



49. P. simplex, Rendle in Jouni. Bot. 1895, 199. Plant about 

 6 in, high. Stems subcylindrical, moderately stout, about 3-leaved. 

 Leaves oblong or oblong-lanceolate, subacute, If -3 in. long, 5-7 lin. 

 broad. Scapes about If in. long; racemes pubescent, few-flowered. 

 Bracts lanceolate, acuminate, lJ-2 lin. long. Pedicels 3 lin. long. 

 Dorsal sepal ovate-oblong, acute, concave, 2 J lin. long ; lateral triangu- 

 lar-ovate, acuminate. Petals oblong-lanceolate, acuminate, 2 lin. long. 

 Lip shortly unguiculate, trilobed, 2 lin. long; side lobes rounded ; front 

 lobe broadly ovate, apiculate ; disc smooth with a narrow keel at the 

 base. Column stout, h lin. long. Chin saccate-oblong, obtuse, \h lin. 

 long. 



Xrile Dtand. British East Africa : Ruwenzori ; Wimi, on rocks at the foot of 

 the waterfall, 6200 ft., Scott-Elliot, 7827 ! 



50. P. confusa, Bol/e. Plant very dwarf. Pseudobulbs approxi- 

 mate, ovoid, 4 lin. long, 1-2-leaved, the younger ones with two or three 

 ovate, acute, protecting sheaths. Leaves spreading, oblong, subobtuse, 

 1:|-1J in. long, 3-4 lin. broad, narrowed at the base. Scapes erect, 

 1-lJ in. high, pubescent, 1 or few-flowered. Bracts ovate, acute, 1-1 J 

 lin. long. Pedicels 2-3 lin. long. Dorsal sepal ovate-oblong, acute, 3 

 lin. long ; lateral broadly triangular-ovate, acute, as long as the dorsal. 

 Petals linear-oblong, acute, 2^ lin. long. Lip 3 lin. long, broadly 

 unguiculate, trilobed ; side lobes rounded ; front lobe broadly ovate ; 

 obtuse, somewhat concave ; disc puberulous. Chin broadly saccate- 

 oblong, about as long as the dorsal sepal. Column stout, 1 lin. long. — 

 P. capeiisis, Kranzl. in Engl. Pfl. Ost-Afr. C. 155 (not Sond.). 



Mozamb. Blst. German East Africa: Kilimanjaro, Kifinika Volcano, 9100 ft., 

 Volkens, 1892 ! 



Very different from P. capensis, Sond., with which Kranzlin has identified it. 



51. P. pachyglossa, Reichh.f. in Linncea, xli. 73. Plant 3-4 in. 

 high. Pseudobulbs ovoid-oblong, J-| in. long, 1-2-leaved. Leaves 

 oblong, obtuse f-1 J in. long. Scapes erect, simple, few-flowered, about 

 IJ in. long. Bracts triangular, acute, 1-1| lin. long. Pedicels ;> lin. 

 long. Dorsal sepal ovate-oblong, shortly acuminate, 3-3 J lin. long; 

 lateral triangular-ovate, acuminate. Petals subspathulate-oblong, sub- 

 obtuse, 2J-3 lin. long. Lip trilobed, 3 lin. long, with a very short and 



