49 



Viola (Noniiminm) Tanakaeana Mukino, sp. nov. 



Acaulescent ; rhizome erect, inarticiilated, white ; main roots few, slender, 

 with fine rootlets. Leaves long-petiolate, deltoid-lanceohite, attenuated 

 above, acutish at the apex, auriculate with ovate lobes, with an open and 

 deep sinus, depressed-crenate, membranaceous, equally pubescent with minute 

 short white hairs above, glabrous beneath, 3-7 cm. long, 1^-2^ cm. wide after 

 anthesis ; petiole very slender, longer than the blade, wingless, glabrous, attain- 

 ing 13icm. in length after anthesis; stipules adnate below, pale, membrana- 

 ceous, loosely ciliated, 3-6 mm. long, the free portion subuhite and acuminate. 

 Peduncles 1 to few, gracile, puberulent above, bracteate above the middle ; 

 bracts 2, subulato-linear, about 4 mm. long. Sepals lanceolate, acute, 

 entire, viridescent, thin, pellucid towards the margin, 3-nerved ; the basal 

 auricles roundish, entire, glabrous. Capsule elliptical, glabrous, 5mm. long, 

 viridescent, mottled with purple. 



Hah. Prov. Shinano : Mt. Komagadale {K. Tanaka ! Sept. 25, 1902). 



Though the flowers are not yet seen, it is evidently a good new 

 species, principally on account of its pubescent narrow leaves. The above 

 new specific name was given, in honour of Mr. Koichi Tanaka, who kindly 

 sent me the specimens of this rare species. i 



Metaplexis japonica (Thunb.) Makino, nom. nov. 



rergularia japonica Thunb. Fl. Jap. (1784) p. Ill ; Willd. Sp. PI. 

 I. p. 1248 ; Pers. Syn. PI. I. p. 271 ; Picem. et Schult. Syst. Veg. VI. p. 

 b& ; Spreng. Syst. Veg. I. p. 843. 



Bletaplexis Stauntoni li. Br.; Schult. Syst. Veg. VI. (1820) p. Ill; 

 Maxim. Prim. Fl. Amur. p. 196; Kegel Tent. Fl. Ussur. no. 333; Franch. 

 et Sav. Enum. PI. Jap. I. p. 316 ; Franch. PI. David. I. p. 207 ; Maxim, 

 in Mel. Biol. IX. p. 810; Engl, et Maxim, in Engl. Bot. Jahrb. VI. p. 

 &5; Forbes et Hemsl. in Journ. Linn. Soc. XXVI. p. 110; Diels in 

 Engl. Bot. Jahrb. XXIX. p. 541 ; Palib. Consp. Fl. Kor. II. p. 13. 



Urostelma cldncnsls Bunge Eiuun. PI. Cliin. Bor, (1832) p. 44, no. 247. 



Metaplexis chiiwnsis Decne. in DC. Prodr. VIII. p. 511; Sieb. et 

 Zucc. in Abhandl. Akad. Miinch. IV. 3, p. 161; Miq. Prol. Fl. Jap. p. 58. 



Metaplexis rostcllata Tiircz.; Walp. Ann. III. p. 49. 



Nom. Jap. Gaga-imo. 



Hah. Japan, widely distributed. 



