Polystachya. | CXXXIII. ORCHIDEZ (ROLFE). 117 
28. P. Steudneri, Reichb. f. Otia Bot. Hamb. ii. 113. Plant 6-8 in. 
high. Stems short, slightly thickened into an oblong pseudobulb 
below, 4—5-leaved. Leaves linear-lanceolate, acute, not coriaceous, 
2-43 in. long, 3-5 lin. broad. Scapes slightly puberulous, simple or 
slightly branched. Bracts triangular-ovate, acute, or aristate, } lin. 
long. Flowers about 1} lin. long. Sepals triangular, the dorsal 
narrow. Petals linear. Lip trilobed, with a short linear claw; side 
lobes rounded ; front lobe linear-ligulate, acute; disc furfuraceous, 
with an angled keel extending down the middle of the disc. Chin obtusely 
angled, minute. Capsule elliptical-oblong, 3 lin. long. 
Nile Land. Abyssinia: Begemeder; Upper Guang, “on Acacia sanguinea,” 
Steudner, 704, Fogara, near the River Reb, Stewdner, 702! 
The character of the flowers is taken from Reichenbach’s description, the specimens 
seen being imperfect. 
29. P. stauroglossa, Kränzl. in Engl. Pf. Ost-Afr. C. 155. Stems 
aggregated, not bulbous, 4—5-leaved. Leaves linear-lanceolate, acuminate, 
minutely bilobed. Panicles sparingly branched, smooth, with many 
small flowers. Bracts triangular, very minute. Flowers 1 lin. diam., 
whitish-yellow with rosy margins. Dorsal sepal ovate; lateral much 
larger, nearly quadrate, concave. Petals ligulate, subacute. Lip very 
narrow, linear at the base, trilobed; side lobes linear; front lobe tri- 
angular, acute, smaller than the side lobes ; disc swollen. Chin very 
obtuse or nearly absent.—Kriinzl. in Engl. Jahrb. xxii. 22. 
Nile Land. British East Africa: West of Lendu, 3600 feet, Stuhlmann, 2670. 
Only known to me from the original description. 
30. P. Stuhlmanni, Kränzl. in Engl. Pf. Ost-Afr. C. 155. 
Habit of P. Steudneri, Reichb. f. Stems not thickened at the base 
or only slightly so, 3—4-leaved. Leaves linear, obtuse. capes simple 
or sparingly branched, slightly puberulous. Flowers very small. 
Dorsal sepal ovate, acute, minute; lateral triangular, aristulate, much 
larger. Petals linear. Lip trilobed; side lobes erect, spathulate in 
front and united; front lobe linear-triangular, acuminate; disc 
puberulous with some crystalline hairs.—Kriinzl. in Engl. Jahrb. 
Zx. 22. 
Wile Land. British East Africa: Mpororo, Stuhlmann. 
Mozamb. Dist. German East Africa : Bukoba, on Lake Victoria Nyanza, Stuhl- 
mann, 4105. 
Said to be allied to P. Steudneri, Reichb, f., but the flowers are smaller and more 
hairy, and the side lobes of the lip are united in a remarkable way. I have not 
seen it, 
31. P. Mannii, Rolfe. Plant 9-12 in. high. Stems cylindrical, 
3-4 in. high, 4~5-leaved. Leaves oblong-linear, subobtuse, 4—5 in. long. 
Panicles slightly branched, 4—5 in. long. Bracts linear-setaceous, re- 
flexed, 1-2 lin. long. Pedicels 14 lin. long. Dorsal sepal ovate, 
Subobtuse or apiculate, concave, 1 lin. long; lateral ovate-oblong, 
carinate, apiculate. Petals ovate-oblong, subobtuse, ł lin. long. Lip 
