138 ART. 19. — B. HAYATA: 



cases a very small tail at the base of anthers. Moreover, the 

 group to which this plant belongs is far different from other 

 groups in having flowers, which are perfect and sterile, and even 

 more different in having simple peltate stigmata. Upon considering 

 the above cases, I am much inclined to raise this group to a genus 

 separated from Artemisia. 



Artemisia scoparia Waldst. et Kit. ; DC. Prodr. VI. p. 99 ; Maxim. 

 iu Mel. Biol. VIII. p. 523 ; Feanchet, PL David, p. 167 ; Hook. f. Fl. Brit. 

 Ind. III. p. 323 ; Forbes et HexMSL. Ind. Fl. Siu. I. p. 445. 



Hab. Ganzan, in montibus Morrison, ad 9141 ped. alt., leg. 

 S. Nagasawa, Oct. 1905. (No. 631) ; Tozan. in montibus Morrison, 

 leg. G. Nakahaea (Nov. 1906); in monte Morrison, ad 11000 ped. 

 alt., leg. T. Kawakami et U. Moei, Oct. 1906, (No. 2043). 



DiSTEiB. Japan and China, northward to Kamtchatka and 

 North America ; westward to North India and extends to central 

 Europe. 



Petasites G.^etn. 



Petasites tricholobus Franchet, PI. David, p. 173 ; Diels, Fl. Centr. 

 CliiD. p. 618; Forbes et Hemsl. Ind. Fl. Sin. I. p. 447. 



Hab. in monte Morrison, ad 8000 ped. alt., (Nos. 1880 et 2078), 

 et in montibus centralibus, leg. T. Kawakami et U. Moei, Nov. 1906. 



DiSTEiB. Central China. 



Gynnra Cass. 



Gynura flava Hayata, sp. nov. Herbae sparce hirtellse vel 

 subglabrse. Caules validiusculi sulcati pauci-ramosi 2-3 ped. alti. 

 Folia alterna in ambitu oblonga vel oblongo-ovata 18 cm. longa 

 (5 cm. lata grosse irregulariter dentata vel infra medium profunde 

 dissecta, lobis argute dentatis, apice acuta basi angusta in petiolum 



