Mat 5, 191"] Dioscobkak Elmeuianak 1593 



apply it here, to a very common oriental plant, an<l one of 

 the first of Dloscoreas to fall into the hands of European 

 botanists. 



The following are the species which ^fr. Elmer has collecteil, 

 and the examination of which we owe entirely to his kindness. 



Section Stenophora 



Dioscorea flabellifolia. 



Tuber vel rhizoma ignotum. Caules minute aculeati, aculeis 

 ail basin foliorum raajoribus, glabriusculi, ad i mm. di^metro, 

 sinistrorsum volubiles. Folia late cordata, acuminata, ad 13 cm. 

 longa, ad 14 cm. lata, supra glabra, ii^fra glabrescentia, 9-nervia: 

 area media a nervorum lateralium pare primo terminata oblanceo- 

 lato elliptica: venae secondariae trajectae fere rectae: petiolus pu- 

 berulus, delude glabrescens, ad 9 cm. longus. Flores n.asculi ad 

 60 in racemibus 2 — 4-natis axillaribus spiciformihus producti: 

 axis ad 25 cm. longus, puberulus: pedicelli 5 mm. longi: 

 bracteie lanceolatae, acutae, puberulae, 3 mm. longae, supra 

 pedicelli basin insidentes. Perianthium crateriforme: tubus 

 brevis: lobi in anthesin recurvi, lanceolati, supra bicarinati, 

 1.5 mm. longi, interiores quam exteriores paululo rectiores. 

 Stamina 6, ad bases perianthii lohorum inserta, biseriatim 

 dehiscentia: filanienta 0.5 mm. longa: antherae introrsae. 

 Flores foeminei ignoti. 



Insula Luzon. Ad Lucban in provincia Tayabas, Elmer, 

 9095. 



D flahelllfolia, Prain <C Burklll, dura forma rhizomatis 

 vel tuberis et capsularum ignotae, affinitas incerta manet, 

 sed ob perianthium inter Stenophoras ponenda est. 



Section Corabilium 



Dioscorea aculeata, Linn. Systema, (1788), p ; 



et. Anioen. Acad., (1754), p , (nee in Sp. Plant.): 



Lamk., Ency clop. Meth., iii. (1789), p. 232; Loureiro, Flor. 

 Cochinch., i. (1790), p. 625: Miquel, Flor. Ind. Bat., in. 

 (1855), p. 575, in part: Seemann, Fl. Vitiensis. (1873), 

 p : Safford in Contrib. U. S. Nat. Herb. xrv. (1905), p. 68. 



