320 
LXII. ASCLEPIADACE2E 
diam. Coronal scales not longer than the staminal tube, wholly 
adnate to it. 
Throughout N. India, ascending to 5000 ft. 
2. Tylophora tenerrima, Wight ; FI. Br. Ind. iv. 44. Glabrous 
or pubescent ; stems very slender. Leaves linear or narrowly 
lanceolate, 1-4 x in., acute. Flowers few, dark purple, in. 
diam. Coronal scales longer than the staminal tube, tips free, 
acute, incurved. 
Simla, the Glen ; July, August. — Simla to Sikkim, 3000-6000 ft. 
9. H0YA. In honour of Thomas Hoy, once gardener to the 
Duke of Northumberland at Sion House, near Kew. — Tropical 
and subtropical regions of Asia and Australasia. 
Hoya longifolia, Wall . ; FI. Br. Ind. iv. 56. A glabrous 
shrub ; stems rooting and climbing over trees and rocks * 
branches pendulous. Leaves fleshy, thick, narrowly, lanceolate, 
2-5x^-l in., acute; stalks short, thick. Flowers waxy white, 
tinged with pink, f-1 in. diam., in axillary, shortly stalked^ 
umbellate cymes. Corolla fleshy ; tube very short ; lobes tri- 
angular. Coronal scales thick, fleshy, adnate to the staminal 
tube, flattened, stellately spreading, inner angle produced in a 
short tooth, back rounded. Filaments united, tube short; anther- 
tips indexed; pollen masses waxy. Stigma flat. Follicles smooth, 
slender, terete, straight, 4-5 in. 
Below Chota Simla ; July, August.— Eastward to Sikkim and Khasia, 1000- 
4500 ft. 
10. CER0PEGIA. From the Greek ceros, wax, and pege, a 
fountain ; referring to the waxy appearance of the inflorescence. 
Tropical and subtropical regions of the Old World. 
Ceropegia Wallichii, Wight ; FI. Br. Ind. iv. 67. A pubescent 
herb; stems erect, 8-12 in. Leaves shortly stalked/ ovate or 
oblong, lfxl in., obtuse or acute. Flowers dark red-purple, 
axillary, solitary or in small clusters. Corolla-tube J-l in. long, 
base dilated ; mouth funnel-shaped, 5-angled ; lobes ^ in. long, 
narrow, erect, hairy within, tips cohering. Coronal scales 10, in 
2 series, outer united in a short, 10-lobed cup adnate to the 
staminal tube ; inner longer, linear, erect, free. Filaments united, 
tube very short ; anther-tips obtuse, not produced ; pollen masses 
waxy. Follicles smooth, tapering, long-pointed, 2Jxl in. 
Simla, Prospect and Elysium hills, Shali, in woods, rare ; June, July. 
Simla to Nepal, 4000 8000 ft. 
