322 
LXIII. LOGANIACE.E 
bases of the stalks connected by a raised, stipular line. Flowers 
small, fragrant, regular, 2-sexual, nearly sessile, crowded in heads, 
whorls or spikes. Calyx free, bell-shaped, much shorter than the 
corolla-tube, 4-lobed, persistent. Corolla hypogynous ; tube 
nearly cylindric ; lobes 4, spreading, rounded, minutely toothed. 
Stamens 4, inserted on the corolla-tube, alternate with the lobes ; 
anthers nearly sessile. Ovary superior, 2-celled ; style short, 
stigma terminal, 2-lobed ; ovules numerous in each cell. Capsule 
ovoid, opening by 2 valves ; seeds numerous, minute. 
Flowers nearly | in. long, in heads or whorls . . . 1 . B. paniculata. 
Flowers hardly \ in. long, in slender spikes . . . 2. B. asiatica. 
1. Buddleia paniculata, Wall. ; FI. Br. Ind. iv. 81. Tomentum 
red-brown. Leaves ovate or oblong, about 5x2 in., crenate or 
sharply toothed, upper ones usually lanceolate and entire. 
Flowers nearly J in. long, crowded in leafy heads or whorls on 
the short branches of terminal panicles. Corolla-tube pink; 
throat orange ; lobes lavender-blue ; sometimes the whole corolla 
varies to white or pink. Capsule tomentose. (Fig. 100.) 
Simla, Fagoo, Matiana ; March, April. — Temperate Himalaya, 4000-7500 ft. 
— Afghanistan, Burmah. 
2. Buddleia asiatica, Lour. ; FI. Br. Ind. iv. 82. Tomentum 
white or pale yellow. Leaves lanceolate, 3-6 xj-lj in., minutely 
toothed, long-pointed, upper ones usually entire. Flowers hardly 
J in. long, crowded in long, slender, usually drooping spikes, often 
combined in terminal panicles. Corolla white. Capsule glabrous. 
Valleys below Simla ; February-April. — Throughout India ascending to 
5000 ft. — E. Asia. 
LXIV. GENTIANACE^E 
Annual or perennial herbs, more or less bitter, usually glabrous. 
Leaves opposite, very rarely alternate, simple, entire, often united 
at the base or connected by a raised line ; stipules none. Flowers 
regular, except in Canscora, 2-sexual, in terminal, forking, panicu- 
late or corymbose cymes. Calyx free, tubular or deeply lobed. 
Corolla hypogynous ; tube long or short ; limb 3-5-lobed, spread- 
ing. Stamens as many as the corolla-lobes, except in Canscora , 
and alternate with them, inserted in the tube or near the base of 
the corolla ; anthers 2-celled. Ovary superior, usually 1 -celled ; 
style linear, stigma terminal, usually 2-lobed ; ovules several or 
many, attached to the cell- walls. Capsule opening by two valves ; 
seeds several or many, small. — A rather large Order extending 
