SPERMATOPHYTA— RANUNCULACEAE 



447 



Fig. 222. European Columbine (.Aguilegia vulgaris'). Flowering 

 branch; flower; longitudinal section of flower; pistil and stamens, (After 

 Faguet) 



According to Greshoff Clematis Fremonti; C. iniegrifolia; 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 pumilns, and T. chinensis. 



Genera of Ranunculaceae. 

 Flowers regular. 

 Sepals 3-20 apetalous. 



Achenes tailed S Clematis 



Achenes not tailed 4 Anemone 



Fruit a follicle ; sepals yellow 1 Caltha 



Flowers solitary ; sepals 3 9 Hydrastis 



Petals and sepals present. 



Petals S, yellow or white 6 Ranunculus 



Petals small, tubular 2-lipped 2 Helleborus 



Petals small, stamen-like 8 Actaea 



