708 BENGAL PLANTS. [Canscora. 
often very thin-walled and breaking up irregularly. Seeds minute, 
many-angled, dark-brown, reticulated. 
Calyx striate or keeled, not winged ; stem quadrangular; flowers rose- 
colour diffusa 
Calyx winged; stem 4-winged ; flowers white decussata 
1286, Canscora pDirFusa R. Br.; F. B. I. iv. 108; E. D, C, 384. 
Pladera virgata F, I, i, 401. 
all the provinces. 
An erect, branching annual. 
1287. Canscora pEcussaTa Roem. & Schult.; F. B. I. iv, 104; 
E. co Pladera decussata F. I. i. 402. 
In all the provinces. 
An erect, branching annual. Hind. Sankha kuli; Beng. 
Dankuni. 
600. Swertia Linn. 
Annual or perennial herbs; leaves opposite. Flowers blue, 
lurid, or whitish, sometimes with yellow glands ; cymes in thyrsoid 
or corymbose panicles. Sepals connate in a 4~-5-partite calyx; 
lobes linear or a fins ovate, 1-3-nerved. Petals 4 or 5, 
‘connate in a rotate c ; lobes twisted to the right, each, or the 
corolla- ne below oa aes 1 or 2 pits, depressions, or glands 
naked or partially occluded by a basal scale; margins of pits 
paguee a Reihec: or a" as apex only; scales naked or with 
fimbriate tips. Stamens r 5 (in our species 4), adnate near 
base of corolla, free or ree monadelphous; filaments linear, 
complanate, often more or less widened downwards; anthers 
oblong-ovate or hastate, versatile. Carpels connate in a 1-celled 
ovary; placentas little intruded, piping style 0, or ~ 
rarely linear-cylindric ; stigmas 2. a sessile, ovate 
oblong capsule, dehiscing by separation of ee carpels. Seeds 
many, rarely few, small or very small; testa close or lax or 
winged, reticulate. 
1288. RTIA AFFINIS Clarke; F. B. I. iv. 126; E. D. Cc. 3012. 
Chota Nagpur 
An erect pecsin 1-3 feet high. Vernae. Chiretta. 
601. Limnanthemum S. P. Gmel. 
Aquatic herbs ; leaves deeply cordate, entire or sinuate, alternate 
or subopposite. "lowers peduncled, white or yellow; peduncles 
