270 BOTANY AND PHARMACOGNOSY. 



small, the two posterior or upper ones which are hooded and 

 concealed in the helmet-shaped sepal are nectar-secreting (Fig. 

 84, E). The fruit is a follicle and contains numerous small seeds. 



Fig. 141. Aconitum napellus showing the long-petiolate, divided leaves, andabranch 

 with racemes of irregular (zygomorphic or bilateral) flowers. 



Delphinium Staphisagria, which yields staphisagria (p. 427) 

 or stavesacre, is a handsome, tall, biennial larkspur, with dark 

 green, palmate, 5- or 7-lobed leaves, and blue or purplish flowers 



