CLASSIFICATION OF ANGIOSPERMS. 



3S9 



and characterized by its long, compound racemes of bright scarlet 

 or red flowers. The Blue cardinal flower or Blue lobelia (L. 



Fig. 180. Scutellaria lateriflora: A, portion of branch showing the ovate, serrate leaves 

 and the axillary one-sided racemes; B, lower surface of leaf showing elliptical stomata; 

 C, D, hairs from the stem and lower surface of leaf; E, section of flower showing calyx (c) 

 with crest on one side, 2-lipped corolla (p), the didynamous stamens (s), and 4-locular 

 ovary (n); F, pollen grain 18 m in diameter. Hairy skullcap (Scutellaria pilosa) : G, branch 

 showing crenate leaves and helmet-shaped capsular fruits; H, capsule after dehiscence 

 showing nutlets (n). Scutellarta canescens: I. view of lower surface of leaf showing numer- 

 ous broadly elliptical stomata and wavy cuticle; J, K, hairs from the leaf. 



syphilitica) is a plant of nearly the same habit and same general 

 character, except that the flowers are of a bright dark blue color 

 or occasionally white. 



