66 COMPOSITE. 



CrossostepMum LINN. 

 Crossostephium artemisioides LESS.; HAYATA I.e. p. 38. 



Gynura CASS. 



Key to the species. 



1. Leaves pinnatifid 1. G. pinnatifida. 



Leaves entire, lobed or dentate, but not pinnatifid 2. 



2. Leaves subentire 2. G. elliptica. 



Leaves serrate, dentate or lobed 3. 



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

 Leaves oblong or ovate 4. 



4. Flowers yellow 4. G. flava. 



Flowers reddish yellow 5. G. ovalis. 



1. Gynura pinnatifida DO. Prodr. VI. p. 301 ; FRANCE, et SAV. PI. 

 Jap. I. p. 245; HEMSL. Ind. Fl. Sin. I. p. 448. 



HAB. Tamsui et Tenmenzan, leg. T. SOMA, Nov. 1914. 

 New to the flora of Formosa. 



2. Gynura elliptica YABE et HAYATA ; HAYATA I.e. p. 39. 



3. Gynura bicolor DC.; HAYATA I.e. p. 39. 



4. Gynura flava HAYATA I.e. p. 39. 



5. Gynura ovalis DC.; HAYATA I.e. p. 39. 



Cacalia LINN. 



Key to species. 



1. Leaves palmately lobed ...1. C. intermedia. 



Leaves simple not lobed 2. C. monantha. 



1. Cacalia intermedia HAYATA n. n. Senecio intermedius HAYATA I.e. 

 p. 40. 



2. Cacalia monantha (DIELS) n. n. Senecio monanthus DIELS ; HAYATA 

 I.e. p. 40. 



Senecio LINN. 



Key to species. 

 1. Scandent and trailing 2. 



