138 cxxxvi, ORCHiDE.®. [ Crinonia . 
long. Leaf ovate, *75 in. long, -4 in. wide. Scape 2 in. long. 
Flowers nearly -25 in. long. Pahang, Gunong Tahan (Ridley). 
Apparently an alpine form. 
39 . CHELONISTELE, Pfitz. 
Rhizome short; pseudobulbs crowded. Leaf 1, usually lanceo¬ 
late. Scape appearing from rhizome with young leaves. Raceme 
lax. Flowers small. Bracts papery lanceolate acuminate caducous. 
Sepals sub-equal. Petals narrower. Lip side-lobes short on 
clawed base, keels 2. Column broad winged and hooded obovate, 
no foot. Species 7, Himalaya and Malay islands. 
Plant about 1 ft. tall; side-lobes of lip truncate; leaf 
long lanceolate . . . . . . (1) C. perakensis 
Plant about 6 in. long or less, side-lobes acute; leaf 
oblanceolate blunt . . . . . . {2) C. pusilla 
(1) C. perakensis Ridl. Coelogyne sulphurea Hook. fil. F.B.I. 
v. 833 (not of Rchb. fil .); Ridl. Mat . 1, l.c. C. perakensis Rolfe, 
Hot. Mag. t. 8203. C. Beyrodtiana Schlecht. Orchis , 1915, 70, t. 6, 
figs. 1 to 7. 
Pseudobulbs crowded obpyriform, 1 to 1-5 in. long. Leaf 
elliptic or lanceolate, 3 to 6 in. long, *5 to 1 in. wide; petiole 1 to 
3 in. long. Raceme 7 in. long, base covered by sheathing leaves, 
above lax. Flowers about 10 to 12, small. Sepals oblong-lanceo¬ 
late acuminate, nearly -5 in. long. Petals very narrow linear, 
all pale green. Lip clawed, side-lobes narrow acute; midlobe 
oblong clawed, broad reniform, pale yellow with central orange 
spot; keels 2 on disc and claw. Column arched. Hab. Mountains, 
Perak, Thaiping Hills (all collectors). 
Schlechter’s C. Beyrodtiana has rather condensed flowers, like those of 
C. pusilla Ridl,, but is otherwise typical C. perakensis, and comes from the 
same well-known locality for both. 
(2) C. pusilla Ridl. Coelogyne pusilla Ridl. Journ. Linn. Soc. 
xxxii. 327; Mat. i. 133. 
Pseudobulbs crowded conic, 1 in. long, *25 in. through. Leaf 
3 to 4 in. long, 1 in. wade, oblanceolate blunt; petiole 1 in. long. 
Raceme 4 in. long or more. Bracts lanceolate acute, 1 in. long. 
Flowers small; pedicels 75 in. long. Sepals lanceolate acute, 
1 in. long, flesh colour. Petals linear-filiform. Lip clawed, blade 
deflexed, side-lobes small truncate, midlobe oblong ochre, tip 
dilate reniform, bilobed white with an orange red-spot at base, 
keels 2 between side-lobes. Hab. Local. Perak, Thaiping Hills 
at 4000 ft. altitude (Curtis). 
40. CHELONANTHERA, Bl. 
Rhizome long; pseudobulbs distant. Leaves 2, coriaceous. 
Scape flexuous. Bracts broad ovate. Pedicels short. Flowers 
