extreme base. The species thrives well at Kew under the 
treatment suitable for its two Philippine allies. The number 
of flowers to a peduncle apparently varies from one to 
five, 
Description.— Herb, epiphytic, 6-16 in. high; stems 
erect, subcylindric, somewhat thickened in the middle, 
suleate, narrowed to the base, densely leafy. Leaves some- 
what spreading, elliptic-oblong, obtuse, coriaceous, 3-4 in. 
long, 1-14 in. broad, Peduncles subterminal, short, few- 
flowered ; pedicels about 14 in. long; bracts short, oblong, 
subacute. Sowers large, showy, white with the base of the 
lip green, Sepals somewhat spreading; posterior oblong- 
lanceolate, acuminate, 1} in. long; lateral triangular, keeled, 
acute, 1-2 in. long; mentum obtuse, $ in. long. Petals 
wide ovate-orbicular, apiculate, 13-21 in. long, 14-14 in. 
wide. Lip 3-lobed, 13-13 in. long ; lateral lobes somewhat 
incurved, wide-rounded ; mid-lobe somewhat recurved, wide 
obovate, truncate or emarginate, apiculate, crenulate, about 
1} in. across; disk bluntly keeled at the base. Column 
broad, } in. long ; wings falcate-oblong. 
Fig. 1, column ; 2, anther-cap; 8, pollinia; 4, sketch of an entire plant :— 
all enlarged except 4, which is much reduced. 
