CLASSIFICATION OF ANGIOSPERMS. 721 



FIG. 397. Yarrow or Milfoil (Achillea Millefolium), a perennial herb, branching only 

 at the top and bearing deeply pinnatifid leaves, the segments being very narrow. The 

 flowers are small, white, occasionally crimson and arranged in large, terminal corymbs. 

 Bureau of Plant Industry, U. S. Department of Agriculture. 



The HIGH GOLDEN-ROD (Solidago canadensis) yields 0.63 per 

 cent, of a volatile oil, consisting chiefly of pinene, with some phel- 

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