Dicotyledons. 



Polypetalous. 



Ranunculaceae, 



Conspectus of the Formosa?! Genera. 



(1) Climbing shrubs or herbs ; leaves opposite; sepals pebdoiil, valvate ; 



Carpels 1-ovuled ; ovules pendulous; fruits of many achenes 



Clematis. 1 

 Erect herbs. (2) 



(2) Leaves radical or alternate. Sepals petaloid or herbaceous, imbricate. 



Carpels 1-ovuled, achenes. (3) 



Leaves radical and alternate. Sepals petaloid or herbaceous, imbricate. 

 Carpels a few, mauy-ovuled Isopyrum. 5 



(3) Ovules pendulous. (4) 



Ovules erect Iianw)cnlu. 4 



(4) Flowers iuvolucrate Anemone. 3 



newel's not involucrate . . Thalictr 



1. Clematis Lixx. 

 Dichotomous Key to the Formosan Species. 



(1) Stamens undulate Clematis crassi/olia. I 



Stamens not undulate (2) 



(2) Stamens barbate. (3) 

 Stamens glabrous. (5) 



(3) Stems and leaves densely tomento^e f I Clematis Lcscl.enauUiana . 2 



I ,, ,, var. qngimifoha. 2> 



Stems and leaves nearly glabrous. (4) 



(4) Sepals nearly glabrous outside (Clematis lasiandra. 3 



( var. Nacjasawai. 



Sepals velvetly hirsute outside Clematis Morii. 4 



(5) Leaves membranaceons or coriaceous. (0) 

 Leaves herbaceous. (10) 



