172 ^ 2?i? . X m-it iij m m -r^ sl% *^ v i i. 



confounded. Mr. Greatrex made a careful stud/ of tli2 plant, and we have a 

 pleasure to note here some of his observ^^itions. Com^:)ared with V. va^lnata, the 

 vagina in the present species are not scj lai'ge and proniinent, the rootstock more 

 slender, and coarsely crenato-dentate leaves usually four or five proceding from 

 the tip of the rootstock. The flowers arc purple mauve in colour and odourless; 

 and the sepals are broad and obtuse, brownish in colour, with rounded and almost 

 entire appendages. 



89. Viola rostrata Pursh, P'l. Am. Sept. p. 174; DC. Prodr. I. p. 298; 

 Britt. & Brown, III. Fl. II. p. 455 ; Boiss. in 15ull. Soc. I^ot. Fr. XLVII. p. 322; 

 Makino, Bot. Mag. Tokyo, XVI. p. 137; Matsum. Ind. PI. Jap. II. 2. p. 378. 



NoM. Jap. Nagao-sumire. 



Hab. Hokkaido. Prov. Oshima : Kamiiso Hill, in open situations (F. C. 

 Greatrex I n. 438. May i, 1916). 



DisTRiB. Northern Honshu, Hokkaido and North America. 

 New to the Flora of Hokkaido. 



90. Slum Nilisi L. Cod. 2025 ; Maxim. Mel. Biol. IX. p. 18; Fr. et Sav. 

 Enum. PI. Jap. I. p. 181; Yabe, Rev. Umbell. Jap. p. 52; Boiss. Bull. Herb. 

 Boiss. ser. 2. III. (1903) p. 954; Matsum. Ind. PI. Jap. II. 2. p. 444. 



NoM. Jap. Mukago-ninjl)i. 



Hab. Hokkaido. Prov. Oshima : Plain near Hakodate (Faurie, n. 5758. July 

 27, 1890) ; marshes near the sea, north of Hakodate {V . C. Greatrex ! n. 564. Aug. 

 18, 1916). 



DiSTRiB. Southern Hokkaido, Honshu and Kiushu. 



91. Helwingia japonica Dietrich, Naclit. Gut. Lex. III. p. 66-:>\ DC. 

 Prodr. XVI. 2. p. 68o; V\\ et Sav. Enum. PI. Jap. I. p. 195 ; C. K. Schn. Handb. 

 Laubholzk. II. p. 434; Matsum. Ind. PI. Ja;). II. 2. p. 4J.7; Wangerin, in Engl. 

 Pflreich. IV. 229. p. 35 ; Rehder, PI. Wils. II. p. 570. 



Osyris japonica Thunb. FI. Jap. p. 31. 



Helwingia rusciflora Willd. Spec, PL IV. p. 716; Miq. Prol. Fl. Jap. p. 209; 

 Hayata, Fl. Montana Formos. p. 104. 

 NoM. Jap. Hana-ikada. 



