‘ Polystachya. | CXXXIII. ORCHIDEÆ (ROLFE). 
Plant 3-2 ft. high. 
Flowers puberulous, 
Front lobe of lip 
broad and 
nearly trun- 
cate e 
Front lobe of lip 
oblong, subacute 
Flowers glabrous or 
subglabrous. 
Flowers scarcely 
2 lin. long 
Flowers 23-3 lin. 
long, green 
Flowers 3-4 lin. 
long, reddish- 
brown . e 
Plant 3-3 ft. high. 
Front lobe of lip broad 
and short. 
Side lobes oblong, 
acute 
Side lobes obtuse 
Side lobes semi- 
ovate,apiculate 
Front lobe of lip lin- 
ear-triangular or 
extended. 
Side lobes trian- 
gular, free 
Side lobes rounded, 
free S S 
Side lobes linear, 
free x S 
Side lobes spathu- 
late, united . 
{Leaves more or less condu- 
plicate. 
Disc of lip slightly verru- 
cose, with a pair of 
obscure keels S 
Disc of lip puberulous, 
with a high keel at 
the base . 
Chin narrow and more or less 
elongated. 
Plant about a foot high . 
Plant about 6 in. high . 
***Tnflorescence racemose, or branched 
in 36, 39, and 41; bracts long, 
setaceous - acuminate; flowers 
1-2 lin. long (plant not turning 
black in drying). 
Dorsal sepal obtuse . S S 
Dorsal sepal acute or acuminate. 
105 
. 19. D odorata, 
20, P. puberula. 
. 21. P. tessellata. 
. 22, P. Buchanani. 
23. P. rufinula. 
. 24, P. zanguebarica. 
. 25. D modesta. 
26. P. shirensis, 
. 27. P. bennettiana. 
28. P. Steudneri. 
29. P, stauroglossa. 
30. P, Stuhlmanni, 
31. P. Mannii. 
. 32. P. golungensis. 
33. P. ramulosa. 
34. P. nitidula. 
35. P. Dusenii. 
