Vol. X, No. 1.] The Dioscoreas of the Old World. 19 



[N.S.] 



D. Martini. Radix ignota. Gaules sparsim pilis tortis albis tecti, 

 longitudinaliter lineati, sinistrorsira volubiles. Folia cordata, acuminata, 

 supra glabra, infra subaraneosa, ad 12 cm. longa f ad 6 cm, lata, i>- 

 nervia: area media a pare primo nervorum lateralium terminata late 

 ovata vel late obovata: nervi extremi bifidi : venae secundaria 1 rect;e, 

 paucae, supra distinctse : petiolus ad 12 cm. longus, supra canaliculatus, 

 sparsim hirsutus. Flore* maris 1 — A-ni in racemos breves 5 mm. 

 longos aggregati: racemi ipsi in axin subaraneosum ad 18 cm. longum 

 dispositi: bracteae lineari-lanceolatae, acutae, subaraneosa, 2v> mm. 

 longre. Perianthii maris lobi aequales, anguste ovati, rubro-maculati : 

 tubus brevis, externe araneosus. Stamina 0, perianthii lobos vix aequan- 

 tia: filamenta tenuia, paululo supra bases loborura inserta. Flore* 

 fceminei ignoti. Capsule respicientes, imbricants, in spicas sparse 



ad 20 cm. longas dispositae, basi supra pedicellam truncate, 

 apice rotunda? : ala3 sub-rectangulares, ad 28 mm. longae, 8 mm. lataa, 

 rubro-maculatae. Semina inaequaliter alata : ala vix 1 mm. lata in latere 

 angustiori, 20 mm. lata in latere latiori. 



China Australis. — In Provinciis Kwei-chow et Yunnan, prope 

 Tsin-tchen in silvis (Martin et Bodinier, 18651), prope Gan-pin in silvis 

 (Martin et Bodinier \ 2517 !), supra Ta-pin-tze (Delavay, 4524!), Typi in 

 herbario Horti Botanici ad Lutetias Parisiorum conservantur. 



34. D. velutipes. A species of the Southern Shan States # 



D. velutipes. Radix ignota. Caules juniores pilis fuscis tortis 

 vestiti, vetustiores glabrescentes, subconspicue lineati, siccitate castanei, 



sinistrorsim volubiles. Folia elongato-deltoideo-cordata, acuminata, 

 juniora supra dense albo-pubescentia, vetustiora glabrescentia, infra 

 juniora dense fulvo-pubescentia deinde spar3im pubescentia, ad 9 cm. 

 longa, ad 5 cm. lata. 7-nervia: area media a nervorum lateralium pare 

 primo terminata late lanceolata : venae secundaria rectae, trajectae, in- 

 conspicuae. Flores maris 1 — 3-ni in racemos breves dispositi, ipsos in 

 mflorescentiam spiciformem compositos : axis ad 10 cm longus, angula- 

 tus, pilis albis tectus ; bracteae anguste ovato-acuminatae, 1-5 mm. longae. 

 Perianthzum maris crateriforme : lobi externi ad 3 mm. longi, albo- 

 pubescentes : lobi interni obtusiores, paululo latiores. Stamina in lobos 

 insidentia : filamenta 1 mm longa: antherae parv^, introrsee. Flores 

 fceminei in spicas dependentes ad 14 cm. longas dispositi: axis dense 

 fulvo-pubescens : bracteae ovate, fulvo-pubescentes, 175 mm. longae. 

 Sepala triangulari-ovata, exteriora quam interiora paululo majora, *75 

 mm. longa, extus dense pubescentia. Staminodia minuta Capsnl' 

 ignotae. 



Montes Shannorum, versus austrum, loco non indicato. (Macgregor, 

 732! 738!) Typi in Herbario Horti Botanici regalis ad Calcuttam con- 

 servantur. 



Section 4. Combilium. 



35. D. aculeata, Linn., Amoen. Acad., iv. (1754), p. 131 : 

 and Syst. Nat., ed. 13, ii. (1791) p. 582: Lam., Encyc. Meth., 

 iii. (1789), p. 232, in chief part : Willd., Sp. Plant., iv. (1805), 

 p. 792, in part: Graham, Cat. Plants Bombay, (1839), p. 218: 

 Kunth, Enum., v. (1850), p. 398, in part. D. Combilium, 

 Ham. ex Wall., Cat. Lith., (1832), No. 5103A. D. diacantha, 

 Zippelius ex Spanoghe, in Linnaea, xx. (1841), p. 479. 

 D. echinata, Ham. ex Wall., Cat. Lith., (1832), No. 5103E. 

 1). fasciculala, Roxb., Hort. Beng., (1814), p. 72, name only, 

 and Flor. Ind., iii. (1832), p. 801: Kunth, Enum., v. (1850), 



