Platylepis.| ORCHIDEZ (Rolfe). 83 
flowered ; bracts ovate, acute, glandular-pubescent, }-} in. long ; 
pedicels e: in. long, sparsely g ‘glandular- pubescent ; flowers green, 
with a white upper half to the lip ; dorsal sepal erect, oblong, ory 
i ¢, glandular-pubescent outside ; lateral 
suddenly reflexed about t middle, oblong, subobtuse ; skal 
} in. long, clavate. P. erase Bolus in Journ. Linn. Soc. xxv. 
187, and Ic. Orch. Austr. ie ee 11, not of Reichb. f.; Durand & 
ites. Poniose. Bi ACY 
Eastern Recton: Natal; in the bush swamp at the head of Durban Bay, 
Sanderson, 1048! Wood, “312! 4122! and in MacOwan & a ae rb. Norm. 
r.-Afr., 1008! and without precise locality, Mrs. K. Saunder 
XV. POGONIA, Juss. 
Sepals subequal, free, erect or rarely spreading. Petals similar 
to the sepals, or often broader or shorter, erect or declinate. Lip 
erect from the base of the column, free, without a spur, sessile or 
unguiculate, entire or 3-lobed ; side lobes enfolding the column; 
disc variously crested or lamellate. Column elongated, slightly 
cone at the apex, without wings ; anther-bed more or less 
mar. e a -bed, re ] cumbent, obtusely 
conical or subglobose, imperfectly 2-celled ; pollinia granular, 2, 
sometimes confluent not 1 r sessile on the 
nt in 
rostellum. Stigma oblong or is poatel tina: short. 
Terrestrial herbs; rhizomes tuberiferous ; leaves 1 to few, very various in 
oes often not ¢ appearing until after the flowers ; flowers medium-sized or large, 
solitary or in erect or pendulous racemes ; bracts often smal 
Distris. Species about 80, be'ags dispersed through the tropics, with a few 
Geri. representatives in n Nort South America and in Japan. The single 
South African species belongs to sa ies Nervilia 
P. purpurata (Reichb. f. & Sond. in Flora, 1865, 184); 
avin deciduous herb, with spherical or ovoid tubers }$—} in. in 
diam. ; leaf gers radical,  otpe ti elliptic-ovate, acute, plicate ; ; 
blade about 21 in. long, 1 in. broad; petiole 1 in. long, with a 
the 
lanceolate acute ‘shiaatll : ai , appearing before leaf, erect, 
9 in high, with 2 or 3 distant sheaths; raceme ly 3—5- 
0 ; bracts narrowly linea r, membranous, 5 in. long ; pedicels 
slender, hi in, ve ; flowers spreading see on, with 
