, 1 48 'J-'iJE BOTA NICAL ma GAZINE. L Vol. XXVI. No. 305. 



is unqucstionabl\' a distinct species, to which P. pseudo- 

 Cerasus Liiidl. (in Transact. Hortic. Soc. VI. 1826, p. &1.) comes 

 very near. The ramules of our species are quite glabrous, while 

 those of P. pseudo-Cerasus Lindl. are pubescent after the author. 

 I have niimed this graceful species in honour of Mr. G. Koidzu- 

 mi, who devoted to the study of the Japanese Rosaceae. 



Acer (Rubra) rubrum Linn. Sp. PI. p. 1055, Cod. n. 7636. 



var. pycnanthum (C. Koch) Makino. 



Acer pycnanthum C. Koch in Miq. Ann. Mus. Bot. Lugd.- 

 Batav. I. (1863-64), p. 250; Sieb. et Zucc. FI. Jap. II. p. 86, 

 tab. 143, fig. 1, et 1-4 ; Miq. Prol. Fl. Jap. p. 21, et in Archiv. 

 Neirland. II. p. 470, 477, pro parte!; Franch. et Sav. Enum, 

 PI. Jap. I. p. 90, et II. p. 322, pro parte ! ; Maxim, in Mel. 

 Biol. X. p. 591 ; Pax in Engler's Bot. Jahrb. VII. p. 254. 



Acer rubrum Makino in Bot. Mag., Tokyo, XVI. (1902), p. 

 93 (Jap.) ; Koidzumi, Rev. Acer. Jap. (1911), p. 27, tab. 16. 



Nom. Jap. Hana-no-ki, Hana-kayede. 



Hab. Japan, central. 



It grows always in dr^^ places, and is not found yet in wild, 

 but planted. Rarely the trunk attains about Ij m. in diam- 

 eter, about 23 m. in height. This is only representative of the 

 Sect. Rubra among the Japanese Maples. 



Veronica japonensis Makino, nom. nov. 



Veronica cana \ar. decumbens Makino in Bot. Mag., Tok^'o, 

 XXI. (1907), p. 32. 



Stem repent, radicant. 



Nom. Jap. Tsura-kuwagata (T. Makino) Yama-kuwagata, 

 Koba-no-kuwagata. 



Hab. Japan, central, mountains. 



Viola (Nomimium) yedoensis Makino, sp. nov. 

 Acaulescent ; roots thickish, terete, elongate, perpendicukir 



