Canscora.] 
KCIV. GENTIAN ACE.5L 
433 
Corolla regular; stamens all perfect, 5 . . (1) C. pentanthera 
Corolla irregular, 1 petal larger than the others; 
stamens 3 perfect, 1 sterile. 
Leaves ovate-lanceolate, fleshy . , . (2) C. trinervia 
Leaves narrow lanceolate sub-coriaceous 
distant.(3) C. andrographioides 
(1) C. pentanthera Clarke, l.c. 89. 
A glabrous, much-branched herb, 12 to 18 in. tall. Leaves 
ovate-lanceolate, acuminate, base attenuate, 1-5 to 2-5 in. long, 
1 to 1*5 in. wide; petioles *2 in. long or less. Cjnnes loose, di¬ 
chotomous of as many as 10 flowers; upper bracts in amplexicaul 
pairs. Flowers white on pedicels *12 to -5 in. long. Calyx *35 in. 
long, tube 3-winged ovoid, lobes *i in. long, ovate, imbricate. 
Corolla-tube as long as calyx, lobes 5 or 6, regular, oblong, whole 
limb *5 in. wide. Stamens 5 or 6, equal, perfect. Capsule ellipsoid 
included in calyx, *25 in. long; style linear persistent. Seeds 
ovoid, brown. Hab. On limestone rocks up to 4000 ft. altitude. 
Selangor, Batu Caves. Perak, Waterloo (Robertson-Glasgow). 
Kedah Peak on top. Lankawi, small islands (Curtis). Distrib. 
South Siam, Singora. , 
(2) C. trinervia Ridl. Journ. Linn. Soc. xxxviii. 316. 
Herb, 3 to 5 in. tall, branched. Leaves ovate-lanceolate 
acuminate both ends, 3-nerved, -5 to 1 in. long, -5 to -75 in. wide. 
Flowers nearly sessile, 1 to 3 i n the axils, and terminal. Calyx 
tubular narrowed upwards, 5 i n - l° n g> 8-ribbed; lobes acuminate. 
Corolla irregular, tube little longer than sepals, lobes 4, round 
oblong crisped, one much longer than the others, white. Stamens 
fertile 3, sterile 1. Style long; stigmas linear elongate. Capsule 
oblong apiculate, black, *24 in. long, shorter than the filiform 
calyx-ribs surrounding it. Hab. Stream ^banks on mountains; very 
local. Pahang, Gunong Tahan at 5000 to 6000 ft. altitude (Ridley). 
(3) C. andrographioides Clarke in Hook. fil. F.B.I. iv. 105. 
A tall herb over 1 ft. high with slender stems simple or branched 
from a short woody rootstock. Leaves lanceolate, narrowed to 
both ends, trinerved, 2 in. long, *3 in. wide, sub-sessile. Flowers 
terminal on short axillary branches, -5 to 1 in. long. Calyx 
cylindric, striate, not winged, -3 in. long. Corolla-tube as long; 
lobes obovate as long, white, purple or rose-veined, -25 in. long, 
2 broader than the others. Stamens 1 with a filament, 3 sub- 
sessile. Hab. Kedah Peak (Robinson). Distrib. Khasiya, Moul- 
mein. 
3. GENTIANA, Linn. 
Herbs with opposite leaves. Flowers axillary or terminal. 
Calyx tubular, terete, lobes 5 or 4. Corolla tubular, bell-shaped; 
lobes 5 or 4, often with folds between the lobes, blue (white, purple 
or yellow). Stamens 5 to 4, attached in middle or lower half; 
filaments linear. Ovary i-celled; style short or o. Capsule 
