138 LILTACE^;. 



Near S. graciflima HAY ATA ; but differs from it iu the vaginate leaf base. 



Smilax trachyclada HAYATA sp. nov. (Fig. 50,-3.) Scandentissima ; 

 .iriueatus scaberrimnSj aculeis triangularibns "2-3 mm. longis, ramosissimus. 

 Folia oblongo-ovata 8-10 cm. louga 5-0 em. lata obtusissima fere rotundata 

 ad summum. breve apiculata, apiculis 3 mm. longis, basi rotundata margine 

 iutegra chartacea 5-nervia, nervis venulis supra minus subtus plus elevatis, 

 petiolis .'1-1^ cm. lougis basi dilatis, partilms dilatis 5 mm. lougis apice 

 cirrMferis, cirrhis brevioribus 5 mm. lougis. Cyma> axillares solitarise, pedun- 

 culis 2cm. longis dichotome et cymose ramosis, raniis divaricatis apice flores 

 20-30 umbellatim gerentibus, pedicellis 7 mm. longis. Periantliii segmenta 

 (5, exteriora liiiearia 6 mm. longa 1 J mm. la' a apice obtusa, interiora angustiora 

 liuearia G mm. longa | mm. lata apice obtusa. Stamina 6, filameutis filiformi- 

 l>us 7 mm. longis, autlieris oblongo-lmearibits 1| mm. longis apice obtusissimis. 



HAB. Arisan, ad 2,500 m. alt., leg. B. HAYATA, typns ; Mt. Choran ; 

 Bangari ; Toseikaku. 



Near S. stenopetala ; but differs from it in the very much scabrous ver- 

 mcose branchlets. 



Heterosmilax KLNTH. 



Heterosmilax raishaensis HAYATA sp. nov. (Fig. 51). Suflraticosa, 

 scandentissima ; caules et rami graciles angulato-teretes mnlti-sulcati muricato- 

 rngosi. Folia alterna meinbrauaceo-chartacea vel membranacea ovato-pblonga 

 12cm. louga 5J cm. lata apice acuminata basi rotundata ad extremitatem 

 basilarem acuta Integra utraque pagiue glabra 5-7-nervia, petiolis 2-3 cm. 

 longis basi dilatis, partibus dilatis 7 mm. lougis apice utroque latere cirrMferis, 

 cirrhis fihformibus 5-10 cm. longis. Flores umbellatim di.-positi, umbellis 

 20-40 floratis longe pedunculatis, peduuculis 5-6 cm. lougis complauatis apice 

 globose dilatis bracteis bracteolisque flonim dense obtectis, bracteis ovatis 

 1|- mm. longis castaneis, pedicellis florurn gracilibns 2| cin. longis glabris. 

 Perianthium gamophyllum clavato-cylindricum 5 mm. longum 2 mm. latuni 

 glabrum apice clausum 3-dentatum, dentibus obtusis minutis ^ mm. latis -] mm. 

 longis. Stamina 3, filamentis valde complanatis 2 -A- mm. lougis \ mm. latis 

 glabris basi usque ad medium connatis, antheris rotundatis -| mm. in diametro 



