58 60. AKAUACEZE. 



( 3 ) Leaves digitate Acanthopanax. 2 



Leaves ample, palmatelj lobed Fatsia. 3 



( 4 ) Umbels sessile on the back of leaves, leaves simple Heliuingia. 4 



Umbels racemosely arranged, terminal Heptapleurum. 5 



( 5 ) Leaves simple, flcwers sessile in heads ; heads paniculate. . Oreopanax. 6 

 Leaves simple, pediceLs continuous, flowers pedicelled, not in heads. 



Hedera. 7 



1. Aralia Tourx. 



Key to the Formosan Species. 



( 1 ) Leaves beset with spines on petioles, leaflets dentate A. spinosa. 



Leaves unarmed leaflets repandate on the margin, not dentate. 



A. Injpdeuca. 



Aralia hypoleuca Peesl. ; Hayata Mater. Fl. Formos. p. 131. 

 Hab. Shintengai, Ako, Bongarisha., Uraisha, Arisan. 

 DiSTEiB. Philippines. 



Obsee-^'. According to W. B. Hemsley (Lid. Fl. Sin. I. p. 338), the present 

 species is the same as A. npinosa wliich is in itself very variable. 



Aralia spinosa LrMs-. ; Matsum. et Hayata Enum. PI. Foimus. p. 176. 



Hab. Hikaku, Tamsiii. 



DiSTEiB. Philippines, Japan, China, Northern America. 



2. Acanthopanax Miq. 



Acanthopanax aculeatum Seem. ; Matsum. et Hayata Enum. PL 

 Formos. p. 176 ; Hayata Fl. Mont. Formos. p. 104. 

 Hab. Tappansha. 

 DiSTEiB. Eastern India, Central China and Japan. 



