318 
LXII. ASCLEPIADACEAS 
shaped, 10-toothed, nearly as long as the corolla, bearing 10 small 
scales near the base within. (Fig. 98.) 
Simla; July, August.-— Simla to Mussoorie, 5000-7000 ft. 
4. Cynanchum auriculatum, Wight ; FI. Br. Ind. iv. 25. 
Stems twining, glabrous except a line of hairs running down 
between the joints. Leaves glabrous or nearly so, deeply cordate, 
ovate or ovate -lanceolate, 3^-7 x 2-5 in., acute; stalks with a 
pair of leaf-like, basal lobes. Cymes long-stalked. Flowers ^ 
in. diam., yellow-green. Calyx much shorter than the corolla. 
Corolla pubescent within. Corona much shorter than the corolla, 
cup-shaped, bearing 5 small scales near the base within, deeply 
5-lobed, lobes free. 
Mushobra, Mahasu ; June-August. — Temperate Himalaya, 6000-12,000 ft. 
Fig. 99. Marsdenia Roylei. 
6. MARSDENIA. In honour of W. Marsden, traveller and 
botanist of the eighteenth century. — Nearly all warm regions. 
Marsdenia Roylei, Wight ; FI. Br. Ind. iv. 35. A softly 
tomentose, twining shrub ; juice milky. Leaves stalked, cordate, 
ovate-lanceolate, 3-5 x 1^3 in., acute. Flowers ^ in. diam., 
orange, crowded in axillary, umbellate cymes. Calyx hairy, about 
