SPERMATOPHYTA RANUNCULACEAE 



447 



Fig. 222. European Columbine (Aquilegia vulgaris). Flowering 

 branch; flower; longitudinal section of fiower; pistil and stamens. (After 

 Faguet.) 



According to Greshoff Clematis Fremonti; C. integrifolia; C. lanuginosa; 

 C. orientalis; C. pseudo-flammula contain HCN. He also states that saponin 

 is of widespread occurrence in this genus and that he found it in the leaves of 

 C, Pitcheri, and C. recta and in the leaves of Trollius pumilus, and T. chinensis. 



Genera of Ranunculaceae. 

 Flowers regular. 

 Sepals 3-20 apetalous. 



Achenes tailed 5 Clematis 



Achenes not tailed 4 Anemone 



Fruit a follicle ; sepals yellow 1 Caltha 



Flowers solitary ; sepals 3 9 Hydrastis 



Petals and sepals present. 



Petals 5, yellow or white 6 Ranunculus 



Petals small, tubular 2-lipped 2 Helleborus 



Petals small, stamen-like . .8 Actaea 



