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 cajiadoisis) yields 0.63 per 

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

 46 



