154 THE BOTANICAL MAGAZINE. [Voi.xxvn. Nb. .w. 



Stems erect or ascending. 



Nom. Jap. Tsuho-sumire. 



Hab. JAPAN. 



Viola, japonic ay. decumbens Franch. et Say. Enum. PI. Jap. 

 II. p. 287 was taken as the synonym of van excisa (Haxce) 

 Maxim! by the authors, but it is probably the autumnal form 

 of the type. 



forma r ad i cans Makino, now 



Stems ascending or decumbent, radicant in nodes after an- 

 thesis. Otherwise as in the type. 



Nom. Jap. Hai-tsuhosumire. 



Hab. Prov. MUSASHI : Sugamo in Tokyo (T. Makino !). 



/3. semilunaris Maxim, in Mel. Biol. IX. p. 750. 



Stems erect. Leaves rounded-ovate, semicircular, deeply 

 open-cordato-sagittate at the base; basal lobes lunato-oblong, 

 obtuse at the apex. 



Nom. Jap. Agi-sumire. 



Hab. Prov. OSHIMA in Hokkaido: Hakodate (R. Yatabe! 

 herb. Sc. Coll. Imp. Univ. Tokyo, July 21, 1878), Shiriuchi (K. 

 Miyabe! herb. ibid. July 14, 1890); Prov. IBURI: Tomakomai 

 (J. Matsumura! herb. ibid. Aug. 13, 1899): Prov. SHINANO: 

 Mt. Komagatake (Koichi Tanaka!). 



y. excisa (Hance) Maxim. 1. c. 



Viola excisa Hance in Seem. Journ. Bot. (1868), p. 297. 



Small. Stems decumbent, slender. Leaves small, rounded- 

 ovate with an acute apex, semicircular, deeply open-cordato- 

 sagittate at the base; basal lobes lunately or falcately oblong, 

 or lunately narrow-oblong, equal to or somewhat longer than 

 the midlobe; petiole gracile. 



Nom. Jap. Hime-agisumire (no v.). 



Hab. Prov. YAMATO: Mt. Kasuga (J. Matsumura and 

 S. Okubo! herb. Sc. Coll. Imp. Univ. Tokyo, July 15, 1SS3). 



Viola japonica y. subaequiloba Franch. et Say. 1. c. from 

 the province of Ise in Central Japan was reduced by the au- 

 thors to var. semilunaris Maxim., but it should be taken as the 

 synonym of var. excisa (Hance) Maxim. V. japonica o. pusilla 

 Franch. et Say. 1. c. probably is a depauperate form of var. 

 excisa (Hance) Maxim. (To be continued). 



