87. ASCLEPIADEE: CYNANCHEE. 107 
459 12. Cynanchum insulanum, Hemsl. 
Cynoctonum insulanum, Hance in Journ. Bot. 1868, p. 330; Mazim. in 
Mél. Biol. ix. p. 800. 
Harnan (Swinhoe!) Mus. Brit. ; Herb. Kew. 
[Cynanchum inodorum, Lour. (Fl. Cochinch. p. 166), syn. 
Gymnema inodorum, Decne. (DC. Prodr. viii. p. 551, nomen 
tantum), is an obscure plant.] 
13. Cynanchum japonicum, Hemsl. 
Vincetoxicum japonicum, Morr. et Decne. in Bull. Acad. Bruz. iii. 
1836, p. 172; DC. Prodr. viii. p. 524; Franch. et Savat. Enum. Pl. 
Jap. ii. p. 319; Maxim. in Mél. Biol. ix. p. 783. 
COREAN ARCHIPELAGO (Oldham, 565?). Herb. Kew. 
Japan. 
The Corean plant has short, broad, hardly acuminate follicles, 
and may belong to a different species. 
ulul 14. Cynanchum (§ Vincetoxicum) linearifolium, Hemsl., n. sp. 
Suffruterv vel herba sublignosa, habitu foliisque C. sibirico 
similis, differt tota glabra, foliis longioribus, floribus paucioribus. 
Caules graciles, teretes, glaucescentes, internodiis quam folia 
multo brevioribus. Folia breviter petiolata, papyracea vel sub- 
coriacea, linearia, 2-5 poll. longa, acutissima, adscendentia. 
Flores purpurei, circiter 3 lineas diametro, cymoso-umbellati, 
cymis 3-6-floris, pedicellis quam flores vix longioribus; calyx 
glaber, fere 5-partitus, segmentis ovato-lanceolatis vix acutis ; 
coroll: rotat: lobis ovato-oblongis obtusis intus puberulis; corone 
lobi carnosi, ovati vel obovati, quam gynostegium breviores; pis- 
tillum glabrum. — Folliculi non visi. 
Krawasv : Shanghai (Faber!) Herb. Kew. 
weds, Cynanchum mandshuricum, Hemsi. 
Vincetoxicum mandshuricum, Hance in Ann. Sc. Nat. 5me série, v. 
p. 227; Maxim. in Mél. Biol. ix. p. 791. 
SurNexiNa: Talienhwan (Swinhoe, hb. Hance, 6538 !); Snan- 
TUNG: Chefoo (Carmichael! Perry! Everard!) Mus. Brit. ; 
Herb. Kew. 
WV 16. Cynanchum mongolicum, Hemsl. a 
Vincetoxicum mongolicum, Maxim. in Mél. Biol. ix. p. 780, var. 
? Hancockianum ; Hance in Journ. Bot. 1878, p. 110. 
