Vol. X, No. 1.] The Dioscoreas of the Old World. 15 



vi. (1885) p. 52 : Makino, 111. Flor. Jap., i. (1889), t. 6 : Praia 

 et Burkill, in Journ. Asiatic Soc. Bengal, lxxiii. (1904), suppl. 

 j) 9. Japan as far north as Lat. 38°N. 



14 D. bnnbanbura, Praia et Burkill, in Journ. Asiatic 

 Soc. Bengal, lxxiii. (1904) 3 suppl. p. II. D. Buergeri, var. 

 enneaneura, Uline ex Diels, in Engl. Bot. Jahrb., xxix. (1900), 

 p. 260. Central China, in the Province of Hupeh. 



15. L>. TENTACtJLiGERA. A very curious plant of the 

 Shan Hills, with minute crowded flowers. 



Dioscorea tentaculige^a. Radix ignota. Caules teretiusculi, 

 inerraes. glabri, castanei, sinistrorsim vol u biles. Folia alterna, ovato- 

 cordata, tenuia, omnino glabra acuminata vel acuta, apice mucronulata, 

 ad 7 cm. longa, a«l 5 cm lata 7-nervia ; area media a pare pnmo ner- 

 vorum lateralium terminata ovata; nervi extremi bifidi; venae secundaria 

 paucie, irre^ulares, supra indistinct® ; petiolus glaber, supra canalicu- 

 latus, ad 3-5 mm. longus. Flnres maris 3-6-ni in cy mas breves densas 

 dispositi, albidi ; cymae in axin singularem minutissime papillatam 20 cm. 

 longam subsparsa? ; bracteae ovatse, subacuminatae, incurvae, scariosaa, 

 glabrae, *5 mm lo: gie. Perianth'i maris laciniae sequales, apice incurvae : 

 tubus 3fi mm. profundus. Stamina 6, ad basin tubi inserta ; filamenta 

 tubo aequilonga ; antherae parvae, introrsae. F lores fceminei 8-16 in spicis 

 pendulis ad 6 cm. longis ; bracteae late lanceolate, acuminatae, -5 mm. 

 longae. Perianthii fazminei lobi biatrial i, ovati, apice ineurvi, exteriores 

 paululo majores^ tubus perbrevis. Starnino ia minuta. Capsular re- 

 curve, ad 16 mm longae, vel pa dulo I on gi ores, apice subretusae, pallide 

 castaneae ; alae semi-ellipticae. Semina circumcirca aiata. 



Pontes shannorum. — Prope Maymyo ad 3500 ped. alt., Lace, 4102 ! 

 ad Laikaw et Indein in pr n ipatu Yaunghu e, Abdul Khalil ! Typi m 

 Herbariis Hortorum Regalium ad Kew et Calcuttam conservantur. 



16. D. vtllosa, Linn., Spec. Plant., (1753), p. 1033. 

 Jacquin, Ic. Plant. Rar., (1/93), t 626. D. sp., C. H. Wright, 

 in Journ. Linn. Soc. Bot., xxxv. (1903), p. 94: Nakai, in 

 Journ. Coll. Sci. Tokyo, xxxi. (1911), p. 235. 



Vaiiat : 



Var. vera. C<ipsula maculata. 



Var coreana. Capsula immamlata, laete polita. 



V*rietas vera americana est. Varietas coreana in Corea media 

 adhuc reperta est a Carles (s ib numero 78 !) et Faurie (sub numero 

 697!) et Uchiya >a. Radix ejus ignota manet, quod dolendura est 

 quandoquidem rhizoma D. viliosce verae ab rhizomatia specierum asiati- 

 carum longe d is tat. 



17. D. Prazeri, Prain et Burkill. in Journ. Asiatic Soc. 

 Bengal, lxxiii. (1904 , suppl. p. 2. Northern Burma and the 

 northern part of the Shan States. A species very nearly allied 

 to D. sikkimensis. 



18. D Clarkei. As the male is unknown, there is some 

 slight doubt regarding the exact affinity of this species: it 



