M 



1-17 mm. long, thinly ciliated ; canline leaves 2-3, remotely placed, sessile, 

 semi-amplexicaul or araplexicaul, elliptical or ovato-elliptical, obtuse, oiie- 

 several-denticulate on each side, 8-12 mm. long, 7-9 mm. wide. Stem 

 erect, gracile, pubescent with bi-furcate and simple hairs, purpurascent 

 below when recent. Raceme sub-nutant, several - subnumerous-flowered ; 

 rachis minutely puberulent below; pedicel glabrous, shorter than the flower. 

 Flower white, 8-10 mm. across. Sepals oblong or elliptical, obtuse, 

 glabrous, yellowish viridescent, loosely and delicately anastomosi-ng nerved, 

 nearly 3 ram. long, the lateral ones much concave. Petals exserted, 

 patent and then reflexed above, narrowly oblong, retuso-emarginate, cuneate 

 at the base, about 5^ mm. long. Stamens longer than sepals ; filament 

 subulato-filiform, glabrous; anther linear-ovate, 1mm. long. Pistil shorter 

 than stamens ; ovary linear, terete, glabrous, about 2 mm. long ; style very 

 short, erect ; stigma convex-truncate, shallowly 2-lobecl. Silique linear, 

 about 18 mm. long, glabrous, with a very short persistent style and a 

 pedicel about 7 mm. long ; valves membranaceo-subcoriaceous, sub-3-nerved. 

 Seeds in one row, ellipsoid or oblong, slightly winged on margin, li-2mm. 

 long. 



Hnb. Prov. Shimotsuke : Nikk5, cultivated by B. loki from ]\It. Iwate 

 in the province of Eikuchu, collected by K. Jo (7'. Jlakuiol 11)02, fruit, 

 May 1, 1904, flower). 



Acer Miyabei Maxim, in Mel. Biol. XII. p. 725 (1888); Sargent 

 For. Fl. Jap. p. 29, tab. 9 ; Pax Acerac. in Engler's Pflanzenreich, IV. 

 163, p. 53. 



Hab. Hokkaido [Yezo] (K. 3Iujahe\ Y. Tokuhuchtl H. Yt'hel J. 

 VeiichV); Prov. Rikuchij in Honsiu : Gosho-mura in Iwate-gori, spont. 

 {G. Yamadal no. 110, July 12, 1903). 



It is interest that this species appeared in Honsiu, because, besides 

 Hokkaido (Yezo), the other locality of the species was hitherto unknown to 

 us ; in Honsiu it was discovered and collected by Prof. Gentaro Yamada, 

 who kindly sent me the specimen. 



Acer pictum Thunb. var. dissectum Wesnuel subvar. sub- 

 trifidum Makino nov. 



A small tree. Leaves long-petiolate, deeply palmato-5-7-[)artecl, 

 usually with a widely open sinus or truncate sometimes cuneato-truncate 



