44 57. J!KGOXIACE;K. 



Begonia ferruginea HAYATA Materials for a Flora of Formosa p. 123. 

 Ferrugineotis, branched, ferrugineo-rubescent when dried, at first lanate, at 

 last early glabrous, 30 cm. high. Leaves petiolate, stipulate, obliquely cor- 

 date, 15 cm. long, 23 cm. broad, very oblique at the base, many-lobed, 

 or irregularly dentate-lobulate, lobules serrulate, acute, ferrugineo-hispid 

 above, ferrugineo-tomentose beneath, at last glabrous on both surfaces, 7-9- 

 nerved, petioles 8 cm. long, stipules ovate, 1-2 cm. long, 7 mm. broad. Cymes 

 axillary few- flowered, braeteate, bracts stipule-like. Male flowers : segments 

 of the perianth 4, 2-exterior ones larger, broadly ovate 2 cm. long 18 mm. 

 broad, rounded at the apex, cordate at the base, 2-inner ones obovate, l^- 

 cm. long, 8 mm. broad, rounded at the apex, obtuse at the l)ase. Stamens 

 x , 4 mm. long, filaments distinct 3 mm. long, anthers oblong 1 mm. long, con- 

 nectives slightly produced. 



HAB. Randaizan, Tappansha. 



Near B. Boivringiana CHAMP. ; but differs in having elongate stipules 

 and in the connectives of the anthers, which are obtusely acute, but not 

 truncate, as is the case with the other species. 



Begonia kotoensis HAYATA Materials for a Flora of Formosa p. 124. 

 Rhizome repent, leafy, radicant. Leaves long petiolate, stipulate, orbicular, 

 8 cm. in diameter, oblique horizontally patent, oblique at the apex, abruptly 

 acute, obtuse at the extremity, profoundly cordate at the base, imbricate on the 

 lower margin, margin crenate, crenas shortly mucronate, glabrous, palmately 

 10-nerved, herbaceous, petioles incrassate, 10-20 cm. long, stipules triangularly 

 ovate, 8 mm. long, acute, base 7 mm. broad. Scapes at the apex of the rhi- 

 zome, incrassate, 20 cm. long, 3-flowered, flowers pedicellate, pedicels K- cm. 

 long. Flowers $ : segments of the perianth 4 ; 2 outer ones larger orbicular 1% 

 cm. long as broad, rounded at both ends ; 2 inner ones smaller, obovate, 1 cm. 

 long 5 mm. broad, rounded at the apex. Stamens GO , 2} mm. long, filaments 

 free, 1 mm. long ; anthers oblong, obtuse at the apex. 



HAB. Kotosho. 



Near Begonia Bretschneideriana HEMSL., but differs from it in many 

 points. 



Begonia laciniata Itoxu. var. formosana HAYATA Materials for a 



