May 5, 1913] Dioscoreak Ei.viehianai 1595 



Dioscorea inaequifolia, Elmer, ms. 



Tubera ignota. Caulis aculeatus, pilig riifohriinneis pub- 

 escens. Folia alterna: foiiola ad 7, herbicea, angu;-5te ohovato- 

 elliptica vel elliptica, basi acuta, apice acuminata, nupra glabra, 

 infra juniora pilis aibis parce pubescentia deinde glabrescentiii: 

 foliolurn medium ad 14 cm. longum, ad 5 cm. latum, penninerve 

 venis lateralibus sex velseptera: foiiola altera minora extrema 

 asymmetrica: petiolus ad 15 cm. longus, parce aculeatus vel 

 sine aculeis, glabrescens: petioluli ad 10 mm. longi juniore8 

 pilis albia pubet^centes deinde glabrescentes. Florea mas^cnli 

 ignoti. Flor foeminei ad 30 in spicis simplicibus pendulis 

 compoaiti: axis pilis albis pubescens: bracteae ovato-laiiceo- 

 latae, acuminatae, pilis albis pubescentes, 2 mm. longae. 

 Sapala triangalari-ovati, 1.5 mtn. longa. Petala similia, mi- 

 nora. Cap^ulae horizontales, pilis albis parce pubescentes, deinde 

 glabrescentes: pediculus 3 mm. longus: alae 36 mm. longae 

 12 mm. latae, apice retusae, basi truncato-rotundatae. Seraina 

 unilateraliter alata: ala fumosa. 



Insula Mindanao. Ad Todaya in Monte Apo, districtus 

 Davao, Elmer, 106o4, 



Species haec capsulis horizontalibus a Dioscorea Oumingii, 

 Prain &: Burkill, facile distinguitur. 



Dioscorea Cuming^ii, Prain & Burkill in .lourn. Asiatic 

 Soc. Bengal, iv. (1908), p. 449. 



Insula Luzon. Ad Baguio in provincia Benguet, Elmer, 

 8692. 



Dioscorea trfphylla Linn., Araoen. Acad., (1754), 



p ; et Systema, (1788 ■, p : Jacquln, Collect, ir. 



(1788), p. 365: Laml-. Encyclop. Meth., in. (1789), p. 234, in 

 part: Jacqxdn, Ic. Plant. Rar., in. (1790), p. 627: Mrrrm, Re- 

 view Species described in Blanco's Flor. Filip., (1905), p. 86. 

 D. hirsuta. Roth, Novae Plant. Spec, i. (1827), p. 214: 

 Warburg, in Engl. Bot. Jahrb., xiii. (1891), p. 273: Merrill, 

 Diet. Plant Names, (1903), p. 144. D. daeinona, Roxb. Hort. 

 Beng., (1814), p. 72: et Flor. Ind., iii. (1832), p. 805: 

 Hooker f., Flor. Brit. Ind. vi. (1892), p. 289: Ridley, Mat. 

 Flor. Malay Penins., ii. (1907), p. 89. 



