hy 
Vanpa. | -  ORCHIDACEZ. 21h 
tessallatum, Sw.; Roxb. Fl. Ind. iti, 462. C. tessalloides, Roxb. 
Ll. c. 463.—Vern. Rasna, nai. 
Stem climbing, 1-2 ft. long, emitting many thick white fleshy roots. 
Leaves bifarious, approximate, 6-8 in. long, narrow, complicate, 
keeled ; apex premorse. Racemeslonger than the leaves ; peduncle 
6-10 in. long. Flowers 14-2 in. across. Sepals and petals subequal, 
spreading, clawed, obovate, undulate, yellowish (rarely bluish),. 
tessellated with brown, their claws and outer surfaces white. 
Lip % in. long, bluish streaked with purple ; side-lobes small, acute, 
rising from the mouth of the spur, } in. long, ovate, acute, erect ; 
terminal lobe panduriform, with a purple dilated truncate 2- lobed 
apex, the margins deflexed ; disk convex, with fleshy ridges; spur 
conical, obtuse, straight, hairy within. Column very short. Capsule 
3-34 in. long, shortly stalked, clavate, sharply ridged. 
Forests of Dehra Dun and in the Sub-Himalayan tracts of Rohilkhand 
and N. Oudh (R. Thompson, Duthie). Often climbing on the- 
branches of mango trees and Bassia latifolia (mahua). Flowers during 
the rams. Drstris.: Konkan, Gujarat and Kanara in the Bombay 
Pres. ; also in Bengal, Behar, Ghota Nagpur and Central Provs., 
extending south to Travancore and Ceylon. The roots are used 
medicinally in the Chanda district of C. Provinces for rheumatism 
and fever, and for allaying the pain caused by the stings of scorpions.. 
3. V. cristata, Lindl. in Wall. Cat. 7328; F. B. I. wv K. 
& P. Ann. R. Bot. Gard. Calc. viii, 216. t. 287 Duthie Me a ach 
2, 146. 
Stem 3-6 in. long, clothed with the remains of old leaf-sheaths. Leaves: 
bifarious, crowded, 3-4 in. long, conduplicate, unequally bilobed 
at the truncate apex, dilated at the sheathed base. Raceme not 
exceeding the leaves, axillary, 2-5-fld. Flowers 14-2 in. across. 
Sepals and petals incurved, pale olive- -green or yellowish. Sepals 
unequal, oblong, obtuse. Petals narrower than sepals, oblong. Lip 
adnate to base of column, longer than sepals, green blotched with 
dull purplish-brown ; basal lobes erect, triangular ; terminal lobe 
yellow streaked with purple, oblong, with two divaricate oblong 
lobules and a horn-like, deflexed fleshy beak ; upper-surface with 
five carunculate ridges. Spur short, conical, obtuse. Column short, 
without a foot. Pollinia ovoid, attached by a short broad caudicle 
to a large quadrate gland. Capsule narrowly clavate, 2-2} in. long. 
Dehra Dun (Mackinnon). Flowers during May. Duistris.: Outer 
ranges of Himalaya in Garhwal and Kumaon, up to 4,000 ft.; extend- 
ing eastwards to Sikkim, Bhutan and Sylhet. 
