THE GBNBRAX. CHARACTERS OF SEEDS 



479 



Figure 350A Figure 350B 



Fie. 350. Seeds (achenes) o£: A. Blazing Star (,Liatris punctata). 

 Boneset (Kuhnia eupatorioides) . 

 (Drawings by Ada Hayden.) 



B. False 



Figure 351A Figure 351B 



Fig. 351. Aohenial hairs of: A. Euhnia eupatorioides. B. lAatris punctata. 

 (Drawings' by Fracker.) 



Broad-leaved Gum-plant. ( Grindelia squarrosa Dunal) . 



Aehenes short, tliickeried, faintly 4-angled, with veins between 

 the angles ; curved ; one-twelfth to one-eighth of an inch in length ; 

 straw-colored; apex truncate; base with light scar. The related 

 Bigelovia nuSata, according to Mr. Ftacker, has duplex hairs. 



Canadian Goldenrod {SoUdago canadensis L.). 



Achenes minute, nearly terete, obovate, many-ribbed; brownish 

 or greenish, somewhat pubescent; pappus of numerous fine capillary 

 equal bristles. 



