87. ASCLEPIADEX: MARSDENIEX. 115 
"a l. Dregea sinensis, Hemsl., n. sp. 
Frutex scandens vel vagans, ramulis ultimis crassiusculis to- 
mentosis. Folia longe petiolata, papyracea, ovato-cordata vel 
. rotundato-cordata, absque petiolo 2-4 poll. longa, acuta, sspe 
acuminata, basi sinu late aperto, supra puberula demum fere 
glabra, subtus brevissime denseque tomentosa; petiolus teres, 
tomentosus, 3-2 poll. longus. Flores 6-8 lineas diametro, in 
cymas amplas umbelliformes longe pedunculatas dispositi, pedi- 
cellis gracilibus puberulis, 8-12 lineas longis; calycis segmenta 
ovato-oblonga, lineam circiter longa, obtusissima, pubescentia ; 
corolla rotata, lobis ovatis obtusissimis ciliolatis ; coronz squamze 
ovoidez, acuminate; ovarium glabrum. Folliculi tenues, puberuli, 
angusti, divaricati, arcuati, 2-23 poll. longi, sursum valde at- 
tenuati, apice hamati, longitudinaliter obscure sinuato-striati ; 
semina valde compressa, obovato-oblonga, longe comosa. 
Hvren: Ichang, Patung, Nauto and mountains to the north- 
ward (4. Henry, 1767, 3005, 3125, 3554, 3868!); SZECHUEN: 
Kueichou (Faber!). Herb. Kew. 
Easily distinguished from D. volubilis by the pubescence and 
very different follicles. 
2. Dregea volubilis, Benth. et Hook. f. Gen. Pl. ii. p. 775; Fl. 
Brit. Ind. iv. p. 46. . . 
Hoya viridiflora, R. Br. in Mem. Wern. Soc. i. p. 27 W ight, Contrib. Ind. 
Bot. p. 39, et in Hook. Bot. Miscel. ii. p. 98, t. 1 ; Wight, Te. PL Dd. Or. 
t. 586; Jacquem. Voy. Bot. t. 114; Griff. Ic. Pl. Asiat. tt. 387, 388. 
Asclepias volubilis, Linn. f.; Roxb. Fl. Ind. ii. p. 36. 
Apocynuin tilizefolium, Zam. Encycl. i. p. 214. 
Wattakaka viriditlora, Hussk. in Flora, 1857, p. 99; Rheede, Hort. 
Malab. ix. t. 15. g 
Tylophora macrantha, Hance in Journ. Bot. 1882, p. 79. , Herb 
Honexone: Little Hongkong (Ford !) Mus. Brit. ; Herb. 
E i tendin 
Widely spread in Eastern and Southern India and extending 
to Ceylon and Java. 
[.Hybanthera cordifolia, Link, Klotzsch et Otto qe eni 
Hort. Bot. Berol. p. 109, t. 44), syu. Echites sinensis, ort. ee 
is a plant closely allied to the above, but nothing is known o 
history beyond what is in the latter name.] 
] . i 97. Decne. 
1. Hoya carnosa, R. Br. in Mem. Wern. Soc. 1. p. 245 
