208 



GENUS CHRYSOTHAMNUS. 

 Table 22. — Variation in the avbspecies of Chrysotkamnus parryi — Continued. 



Involucre. 



Length. 



No. of 

 bracts. 



No. of 



flowers 



per head. 



Length, 



including 



lobes. 



Lobe- 

 length. 



Subspecies monocephalus: 



Mount Rose, Nev., 3,320 m. alt . 

 Mount Rose, Nev., 3,170 m. alt. 



Jessie Lake, Calif 



Mono County, Calif 



76001 UC 

 176764 UC 



31166 UC 

 195489 UC 



Average . 



Subspecies howardi: 



Bells Springs, Carbon County, 



Wyo.' 



Encampment, Carbon County, 



Wyo.' 



Tipton, Wyo 



Point of Rocks, Wyo 



Laramie River, Wyo 



Albany County, Wyo.' 



North Park, Colo 



West of Palmer Lake, Colo. . . . 



Palmer Lake, Colo 



Near Florissant, Colo 



Walsenberg, Eastern Colo 



West of Walsenberg, Colo 



Cafion City, Colo 



Buena Vista, Colo 



San Luis Valley, Colo 



51498 UC 



69420 UC 



CI 



CI 



23595 R 



69419 UC 



47263 R 



CI 



CI 



CI 



203169 UC 



11089 CI 



203168 UC 



205813 UC 



205814 UC 



Average . 



Subspecies altenuatua: 



Ute Pass, Colo 



Rio Mancos, Colo 



Thurber, Utah 



Marysvale, Utah (type coll.). 



Marysvale, Utah 



Near Panguitch Lake, Utah . . 

 Star Peak, Nev. (off type) . . . 



CI 



187573 UC 



159552 UC 

 159554 UC 



159553 UC 

 159789 UC 

 179590 UC 



Average . 



Subspecies nevadensis: 



West Humboldt Mountains, Nev 



Comet Peak, Nev 



Kings Cafion, Nev 



Washoe County, Western Nev. 



Do' 



Ormsby County, Western Nev. . 



Verdi, Western Nev 



Truckee, Calif 



Portola, Calif.' 



Do 



Keddie, Calif 



US 

 179575 UC 



75412 UC 

 176431 UC 

 176855 UC 



87228 UC 

 193101 UC 

 134301 UC 

 203269 UC 

 203263 UC 

 203265 UC 



Average . 



mm. 

 11.0 

 10.5 

 10.0 

 10.1 



10 



12 



10.8 



12.0 



11.1 



13 



13.0 



9.5 

 11.0 



9.8 

 12 



11.0 

 10 

 10.0 



11.0 

 10.5 

 10.0 

 11.5 



no 



10.2 

 10.5 12 



10.7 



13.3 

 12.0 

 11.5 

 14.0 

 11.0 

 15.0 

 13.0 

 15.0 

 14.0 

 12.0 

 13.0 



7.6 

 9.3 

 8.0 



7.7 



14 



13 

 11 14 

 15 

 11 

 13 

 14 

 14 

 13 

 11 

 19 

 15 

 14 

 12 

 12 



8.0 

 8.0 

 8.0 

 9.5 

 10.6 

 10.7 

 9.0 

 8.5 

 8.0 

 10.0 

 10.1 

 10.0 

 9.5 

 9.1 



13 

 13 

 14 

 13 15 

 13 

 13 



9.0 

 10.1 

 10.0 

 10.0 

 10.2 

 10.0 

 10.6 



13 



10.6 

 9.6 

 9.9 

 10.1 

 7.1 

 10.1 

 10,5 

 10.1 

 10.1 

 9.8 

 9.1 



1.0 

 1.5 

 1.0 

 1.3 



1.2 



1.3 

 1.4 

 2.0 

 2.1 

 1.7 

 2.5 

 1.2 



0.6 

 1.6 

 0.7 

 1.1 

 1.5 

 0.6 

 1.7 



1.6 

 1.3 

 1.1 

 1.3 

 1.0 

 1.2 

 1.5 

 1.0 

 1.5 

 1.1 

 1.2 



' 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. 



