24 



THE GENUS CLEMATIS. 



[part I. 



to the genera Ranunculus, Anemone, Adonis, 

 and many other kinds of Ranunculacese, are 

 called caryopsides, and seeds thus enclosed are 

 always much longer in coming up than any 

 others. In some species of Clematis the awns 

 of the carpels are smooth ; but in others they 



Fig. 7. — Carpels of the Clematis Vitalba. 



are bearded or feathered, as in those of the 

 traveller's joy (C vitalha)^ shown in Jir/. 7. The 

 leaves of the Clematis vary considerably in form 

 and arrangement ; but the stems of the climbing 

 species are furnished with tendrils, or slender 

 twining leafless stems, which some botanists sup- 

 pose to be metamorphosed leaves. 



The plants composing the genus Atragene 

 have been separated from Clematis ; because 

 they are said to have petals, which the genus 

 Clematis has not. It must not, however, be 

 supposed that the petals of the Atragene bear 



