59. UMBELLIFEKZE. 49 



Ridges dorsal and intermediate ones prominent, but not winged, la- 

 teral ones distinctly expanded in wings, carpels sublenti- 



formed Angelica. 13 



(7*) Carpels dorsally compressed ; vittae co , sometimes obscure. 



lAgusticwn. 11 



Carpels semiterete ; vittae solitary on vallecula Gnidium. 12 



( 8 ) Flowers not radiant. Ovary glabrous Peiicedanmn. 14 



( 9 ) Fruits glabrous Coriandncm. 15 



Fruits hirsuto-setose Torilis. 16 



1. Bydrocotyle Linn. 



Key to tJie Formosan Species. 



( 1 ) Umbels sessile H. cmferta. 



Umbels more or less pedunculate. (2) 

 ( 2 ) Leaves beset with very rough stiff hairs. Umbels solitary. 



H. setulosa. 



Leaves glabrous or slightly beset with soft hairs. (3) 

 ( 3 ) Leaves glabrous much larger, . peduncles of umbels very much shorter 

 than petioles. (4) 

 Leaves slightly hairy, peduncles of umbels longer than, or as long as 



petioles H. rotundifdia. 



(4) Leaves not lobed shallowly dentate, teeth broad and acute. . .^. asi'a^iccf. 

 Leaves slightly lobed, shallowly crenukte H. javanica. 



Hydrocotyle asiatica Linn. ; Matsum. et Hayata Bnum. PI. Formos. 

 p. 169. 



Hab. Kelung, Sharyoto, Koshiin, Ryngaryo, Maruyama, Tamsui, Pes- 

 cadores, Takow. 



DiSTEiB. Widely diffused in tropical and subtropical regions of the World. 



Hydrocotyle conferta Wight ; Matsum. et Hayata Enum. PI. Formos. 

 p. 170. 



Hab. Mki, Suiehoryii, Maruyama, Kusshaku. 

 Disthib. Eastern India. 



