G6 coMrosiT.-?:. 



Crossostejyhliun Li\ x . 

 Crossostephium aitemisioides Lkss.; Hayata ].( . ]>. 38. 



Gt/nufa Cass. 



Kej/ to the species. 



1. Leaves pimmtifid 1. G. }nmiatlfida. 



Leaves eutire, lobed <»r tlentate, Liit iiot pinnatifid 2. 



2. Lcaves subcntire 2. G. eUlptica. 



Leaves serrate, dentate or lobed 3. 



3. Leaves obovate-lanceolate or lanceolate, irregularly dentate...3. G. bicolor. 

 Leaves oLlong or ovate 4. 



4. Flowers ycUow 4. G. jiava. 



riowers rcddish yellow .3. G. ovalis. 



1. Gynura pinnatifida DO. Prodr. VI. p. 301 ; Fjiaxch. et Say. Pl. 

 Jap. I. p. 245; Hemsl. Ind. Fl. tSin. I. }>. 448. 



Hab. Tamsui et Tenmenzan, leg. T. Soma, ^ov. 1914. 

 New to tlie flora of Formosa. 



2. Gynura eUiptica Yabe ct Hayata; Hayata Lc. p. 39. 



3. Gynura bicolor DC; Hayata l.c p. 39. 



4. Gynura flava Hayata ].c. p. 39. 



.3. Gynui*a ovaHs DC; Hayata l.c. p. 39. 



Cacalia Lixx. 



Key to species. 



1. Leaves palmately lobed 1. C. intermedia. 



Leaves simple not lobed 2. C. monantlia. 



1. Cacalia intermedia Hayata n. n. Senecio intermedius Hayata l.c. 

 p. 40. 



2. Cacalia monantha (Diels) n. n. Senecio monanthus Diels ; Hayata 

 Lc. p. 40. 



Senecio Linn. 



Key to species. 

 1. Scandent and trailiuir 2. 



"•-5 



