208 



GENUS CHKYSOTHAMNUS. 

 Table 22. — Variation in the subspecies of Chrysothamnus parryi — Continued. 



Minor variation 18. 



' Minor variation 19. 



' Minor variation 20. 



V. pumilus, Lupinus argenteus, etc., while howardi is often in contact with C. n. pinifolius. 

 Nevadensis likewise forms societies in the bunch-grass prairie and in the sagebrush 

 association of western Nevada and adjacent California, but it also extends to timber- 

 line in open parks and savannahs. The remaining subspecies are all of less importance. 



