THE GENERAL CHARACTERS OF SEEDS 



479 



Figure 350A Figure 350B 



Fig. 350. Seeds (achenes) of: A. Blazing Star (Liatris punctata). B. False 



Boneset (Kuhnia eupatorioides) . 



(Drawings by Ada Hayden.) 



Figure 351A Figure 351B 



Fig. 351. Achenial hairs of: A. Kuhnia eupatorioides. B. Liatris punctata. 

 (Drawings by Fracker.) 



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



Achenes short, thickened, 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 nudata, according to Mr. Fracker, has duplex hairs. 



Canadian Goldenrod (Solidago canadensis L.). 



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

 or greenish, somewhat pubescent ; pappus of numerous fine capillary 

 equal bristles. 



