104 87. ASCLEPIADEZ: CYNANCHEE. 
Honexone (Wright! Champion! Wilford! Urquhart'). Mus. 
Brit.; Herb. Kew. 
(3! 1. Cynanchum acuminatifolium, Hemsil. 
f Vincetoxicum acuminatum, Decne. in DC. Prodr. viii. p. 524 ; Mazim. 
in Mél. Biol. ix. p. 786; Franch. et Savat. Enum. Pl. Jap. ii. p. 439. 
SurwaxiNo : Peiling (Webster !), between Moukden and Tung- 
cheshien (James !), Black Bear Valley (Ross!). Herb. Kew. 
Mandshuria and Japan. 
qnd 2. Cynanchum (§ Vincetoxicum) affine, Hemsl., n. sp. 
Frutex vel herba lignescens, volubilis, pubescens, C. chinensi 
affinis, sed differt imprimis cymis pedunculatis. Folia petiolata, 
papyracea, cordato-ovata vel cordato-oblonga, absque petiolo 
1-3 poll. longa, acuta, subtus pubescentia, supra glabrescentia ; 
petiolus usque ad 9 lineas longus. Flores, ut videtur, lutei, 6-7 
lineas diametro, cymoso-umbellati ; cyme graciliter pedunculate, 
ssepius 5-flore, pedunculis petiolos equantibus, pedicellis gracil- 
limis quam flores paullo longioribus ; calyx minutus, pubescens, 
lobis anguste ovatis subobtusis; corolla rotata, glabra, longitu- 
dinaliter venoso-striata, segmentis ovato-oblongis apice rotundatis; 
coron: lobi carnosi, ovati, apice rotundati, gynostegium vix 
squantes; pollinia pendula; pistillum glabrum. Folliculi ignoti. 
Kwanerune: without special locality (Ford!) Herb. Kew. 
Also allied to C. volubile, which has larger flowers and the 
corolla hairy within. 
u(y 8. Cynanchum amplexicaule, Hemsl. 
Vincetoxicum amplexicaule, Sieb. et Zucc. Fl. Jap. Fam. Nat. ii. p. 162; 
Mazim. in Mél. Biol. ix. p. 781; Hance in Journ. Bot. 1878, p. 110; 
Franch. et Savat. Enum. Pl. Jap. i. p. 318; Herder in Pl. Radd. iv. 
p. 141; Debeaux, Fl. Tchef. p. 96; Franchet, Mém. Soc. Sc. Nat. Cher- 
bourg, xxiv. p. 235. 
Curmi: Kantai (Tatarinow ex Maaimowicz); SHINGKING: 
Kaichow to Kinchow (Ross!); SmawruNG: Chefoo (Perry! 
Carmichael! Stuhlmann !) ; KraNGsI: Kiukiang (Shearer !). 
Mus. Brit.; Herb. Kew. 
Mongolia, Mandshuria, and Japan. 
4. Cynanchum atratum, Bunge, Enum. Pl. Chin. Bor. p. 45. 
Vincetoxicum atratum, Morr. et Decne. in Bull. Acad. Brux. 1836, 
p. 17; DC. Prodr. viii. p. 523; Maxim. in Mél. Biol. ix. p. 789; Fran- 
chet, Pl. David. p. 208, et in Mém. Soc. Sc. Nat. Cherbourg, xxiv. p. 235. 
