LXIY. GENTIAN ACEiE 
827 
5. Swertia Chirata, Buck. -Ham. ; FI. Br. Ind, iv. 124. Stems 
robust, 2-5 ft., branching, terete except near the top. Leaves broadly 
lanceolate, 4x1^ in., acute. Calyx and corolla 4-lobed. Corolla 
green-yellow, tinged with purple ; two glands on each lobe, green, 
fringed with long hairs. 
Simla, Chadwick Falls, Mushobra, Matiana ; September-November.— 
Temperate Himalaya, 5000-10,000 ft. 
The medicine Chiretta is obtained from the roots and stems of this species. 
Fig. 102. Swertia purpurascens. 
6. Swertia alata, Boyle ; FI. Br. Ind. iv. 125. Stems 1-2 ft., 
branching, angles winged. Leaves ovate, 1J x | in., acute. Calyx 
and corolla 4-lobed. Corolla lurid green-yellow, dotted and veined 
with purple ; one gland on each lobe, fringed. 
Simla, below Bishop Cotton’s school, Naldera ; September. — W. Himalaya, 
4000-6000 ft. 
7. Swertia angustifolia, Buck. -Ham. ; FI. Br. Ind. iv. 125. 
Stems 1-3 ft., branching, angles narrowly winged. Leaves 
linear-lanceolate, 2Jxj in., acute. Calyx and corolla 4-lobed. 
Corolla white or pale blue, darker dotted ; one gland on each 
lobe, green, circular, naked. 
Simla, Mushobra ; September. —Temperate Himalaya, 2000-7000 ft. 
