ASCLEPIADACEAE. — CEROPEGIA 349 
TOXOCARPUS Wight & Arn. 
Toxocarpus villosus Decaisne in De Candolle, Prodr. VIII. 506 
(1844). — Miquel, Fl. Ned. Ind. II. 475 (1856). — Hooker f., Fl. Brit. 
Ind. IV. 13 (1883). — Costantin in Lecomte, Fl. Gén. Indo-Chine, IV. 
51, fig. 7 (12-16) (1912). 
Secamone villosa Blume, Bijdr. XVI. 1050 (1826). — Koorders, Exkursionsfl. 
Java, III. 87 (1912). 
Toxocarpus Wightianus Hemsley in Jour. Linn. Soc. XXVI. 101 (non Hooker 
& Arnott) (1889). 
8 Wighti Diels & Schlechter in Bot. Jahrb. XXIX. 543 (non K. 
Schumann) (1900). i 
Toxocarpus Wightianus, var. hirta A. Henry, Mss. in Herb. 
Western Hupeh: Hsing-shan Hsien, ravines, rare, alt. 300-900 m., 
May 9, 1907 (No. 1943; climber 2.5 m. tall, flowers yellow); Ichang, 
A. Henry (Nos. 3281, 3515). 
SIAM. Without precise locality, Mrs. M. C. Bradley (No. 34). 
Wilson's and Henry's plants agree well with T. villosus as described and figured 
by Costantin. I have not seen a type specimen, and a careful study of the whole 
genus would be necessary to show if our plant is indeed identical with Blume's 
Javanese type. The Hupeh plants certainly are very different from T. Wightianus 
Hooker & Arnott (Bot. Voy. Beechey, 200 [1836].—S Wightiana K. Schu- 
mann in Engler & Prantl, Nat. Pflanzenfam. IV. Abt. 2, 263 [1895]), of which I 
have seen specimens from Hainan and Hongkong. It has smaller, more glabrous 
and shining leaves and a very short and dense inflorescence. The flowers are smaller 
too, and the stigmas are shorter, undivided and enlarged, while in our species the 
stigma (the part of style above the gynostegium) is enlarged only at the base, being 
slender toward the end and divided at the apex. The length of the coma of the 
n" seems to be variable, as well as the pubescence at the base of the corolla- 
CEROPEGIA L. 
Ceropegia ($ Phananthe) driophila Schneider, n. sp. 
Suffrutex 0.75-1.25 m. altus, scandens; caules filiformes, teretes v. 
leviter striato-angulati, flavescentes, glabri, laxe foliati. Folia tenuiter 
membranacea, oblonga v. ovato-oblonga, basi subcordata, apicem ver- 
8us sensim distincte acuminata, superne sparse breviter pilosa, subtus 
Vix pallidiora, glabra v. glabriuscula, margine ciliata, 2.5-6.5 cm. longa, 
basim versus 1-2.4 em. lata (in specimine Henryano ad 5: 2.8 em. 
magna); petioli tenues, superne ut videtur paulo sulcati, glabri v. ad 
apicem superne sparse pilosuli, 1-2.2 em. longi. Cymae pedunculatae, 
2-8-florae; pedunculi 1-1.5 cm. longi, glabri; pedicelli graciles, glabri, 
1-15 em. longi, basi bracteis linearibus glabris v. vix pilosis 1-1.5 mm. 
