70 ART. I.— B. HAYATA I 



which are, small as they are^ quite in mature state having 

 albumen arid embryo. This differs also from the other variety 

 Nahaharai in the shape of wings. In the present variety, the 

 wings are usually oblong, while in the other, they are always 

 semi-oblong or cnltriformed. 



Acer serrulatum Hayata sp. nov. Rami teretes fusco-rubescen- 

 tes, glabri, foliati, infra axillas foliorum leviter dilatati. Folia pal- 

 matim 5-lobata, rotundato-cordata in ambitu, 7| cm. longa, 9 cm. 

 lata, duplicato-serrulata, lobis aequalibus, 5-nervia, nervis an gulo 60"^^ 

 a se divaricatis, nervo centrali nervis lateralibus subsequilongo vel 

 paulo longiori nervös basilares 2-J-plo superante, lobo terminali lance- 

 olate 7-J cm. longo, 2 cm. lato, apice acuminate, lobis lateralibus et 

 basilaribus conformi, petiolis 2J cm. longis basi leviter dilatatis. 



Hab. Shintiku : Tailiei, leg. T. Kawakami et Y. Shimada, Sept. 

 1907, (No. 5648). 



Near Acer imlmaium Thunb. ; but differs from it in tlie serra- 

 tion of the leaves. 



Acer Tutcheri Duthie var. Shîmadaî Hayata n. v. Eami 

 Tahdi, teretes, fusco-nigricantes, lenticellis minutis parce dispersis, 

 ramulis divaricatis, a latere compressis complanatis, infra axillas 

 fohorum leviter dilatatis. Folia opposita, petiolata, late rhomboidea, 

 5 cm. longa, 7 cm. lata, 3-lobata, serrulata, prope basin subintegra, 

 lobis subsimilibus, (rarius lobis basilaribus minoribus), lobo 

 terminah late triangulari utraque latere margine recto, 2J cm. 

 longo, 3 cm. lato, lobis lateralibus divaricatis latere superiore rectis 

 horizontalibus, latere inferiore basin rotundatis, distincte 3-nervia, 

 nervo centrali 5 cm. longo, nervis lateralibus 4^ cm. longis, a 

 centrali angulo divaricatis, petiohs 4 cm. longis, ad basin in- 



