PLATE XXXIII. 



Figs. 



1. (Enanthe cr.oc.ata (Great Water- Drop wort). Fascia- 



tion of one of the primary rays of umbel. (Gr. F. 

 Massee photo.) p. 39. 



2. Rosa damascena (Garden Rose). Fasciation, showing 



ribbon-growth of peduncle and subdivision in one 

 plane of primary flower to form great numbers of 

 secondary flowers, p. 44. 



