CLASSIFICATION OF ANGIOSPERMS. 



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FIG. 370. Mad-dog Skullcap (Scutellaria later i flora), a perennial herb growing in 

 wet, shady places with an upright, quadrangular stem, bearing opposite ovate-oblong, 

 serrate leaves, in the axils of which are formed the blue bilabiate flowers. Bureau of Plant 

 Industry, U. S. Department of Agriculture. 



peppermint and spearmint. The stems are erect or ascending, 

 commonly branching and from 22 to 55 cm. high (Fig. 370). 



