176 ^ SEvXü-^fc mmmi\^^^m vn. 



We have a pleasure of naming the thistle also after its collector, Mr. F. C. 

 Greatrex. 



98. Cirsium pexum Nakai, Bot. Mag. Tokyo, XXVI. p. 365. 



Oiicus sußulius Maxim, a pcxns Maxim. Mel. Kiol. IX. p. 315 ; Fr. et Sav. 

 Enum. PI. Jap. I. p. 259. 



Cniciis pcxns Fr. et Sav. 1. c. II. p. 410. 



NoM. Jap. Tsuknshi-kjirtima-azami. 



Hab. Hokkaido. Prov. Oshima : Hakodate (F. C. Greatrex! July 3, Oct. 

 S. I9'6). 



DisTRiB. Hokkaido and Honshu. 



New to the Flora of Hokkaido. 



99. Cirsium yezoense Nakai, Bot. Mag. Tokyo, XXVI. p. 374. (non Ma- 

 kino). 



Cnicus yezocnsis Maxim. Mel. Biol. IX. p. 328 ; Fr. et Sav. Enum. PI. Jap. I. 

 p. 261 et II. p. 415. 



NoM. Jap. Beiikci-azanii (nov.). 



Hab. Hokkaido. Prov. Oshima : Hakodate (Albrecht ; F. C. Greatrex ! n. 

 323 a. Sept. 29, 1916); Moheji (Maximovvicz, Oct. 1S60). 



Di§TRlB. Endemic. 



Remarkable for its enormous size, especially of its radical leaves, which 

 measure one and half to two feet in lerigth and one foot in breadth. 



100. Senecio nikoensis Miq. Prol. Fl. Jap. p. 114; Maxim. Mel. Biol. 

 VIII. p. 14 ; Fr. et .Sav. lüium. PI. Jap. I. p. 25 I ; Matsum. Ind. PI. Jap. II. 2. p. 665. 



NoM. Jap. Saivagiku, Horogiku. 



Hab. Hokkaido. Prov. Ishikari : Nopporo (Y. Kudo! Sept. 3, 191 5). — 

 Prov. Iburi : Sobetsu (M. Date! '^ Sept. 22, 1S94).— Prov. Hjdaka : Shizunai (T. 

 Kawakami ! 1900); Saruru (Y. Tokubuchi ! Aug. 13, 1892). 

 DisTRiB. Hokkaido, Honshu, Shikoku and Tsushima. 



Botanical Institnte, College of Agricidture, 



Tohoku Imperial University, Sapporo, Hokkaido. 

 December 15, igi6. 



