WOOTON AND STANDLEY FLOEA OF NEW MEXICO. 663 



Type locality: New Mexico. Type collected by Bigelow. 



Range: New Mexico. 



New Mexico: Sandia Mountains; Santa Fe; Dulce; San Lorenzo; Burro Moun- 

 tains; Gila; White Sands. Dry plains and foothills, in the Lower and Upper Sonoran 

 zones. 



The type of Bigelovia graveolens appendiculata was collected on the White Sanda 

 by Cockerell. 



13. Chrysothamnus formosus Greene, Pittonia 4: 41. 1899. 



Type locality: In the neighborhood of a mineral spring among the hills a few 

 miles southwest from Grand Junction, Colorado. 



Range: Southwestern Colorado to northwestern New Mexico and adjacent Arizona. 



New Mexico: Carrizo Mountains (Slandley 7343). Dry hills, in the Upper Sono- 

 ran Zone. 



14. Chrysothamnus pulcherrimus A. Nels. Bot. Gaz. 28: 370. 1899. 

 Type locality: Woods Landing, Wyoming. 



Range: Montana to northwestern New Mexico. 



New Mexico: Carrizo Mo mi tains (Slandley 7467). Open hills, in the Upper Sono- 

 ran Zone. 

 A densely branched shrub about 1 meter high. 



15. Chrysotharnnus graveolens (Nutt.) Greene, Erythea 3: 108. 1894. 

 Chrysocoma graveolens Nutt. Gen. PI. 2: 136. 1818. 



Bigelovia graveolens A. Gray, Proc. Amer. Acad. 8: 644. 1873. 



Type locality: "On the banks of the Missouri in denudated soils." 



Range: Montana and Nebraska to Utah and New Mexico. 



New Mexico: Tunitcha Mountains; Farmington; Dulce; Zuni Valley; Grants Sta- 

 tion; Embudo; Taos; Cross L Ranch; Chama; Moreno Valley; Cebolla Spring; Daiil; 

 Patterson. Plains and low hills, in the Upper Sonoran Zone. 



16. Chrysothamnus confinis Greene, Pittonia 5: 62. 1902. 



Type locality: White Mountains, New Mexico. Type collected by Woo ton (no. 

 379). 



Range: Along streams, White Mountains of New Mexico, in the Upper Sonoran 

 Zone. 



17. Chrysothamnus elatior Standley, Proc. Biol. Soc. Washington 26: 118. 1913. 

 Type locality: Sandhills north of Goldenbergs, New Mexico Range Reserve, 



Dona Ana < Jounty, New Mexico. Type collected by Wooton, October 12, 1912. 

 Range: Known only from type locality. 



19. SEDER ANTHTTS Fraser. 



Annual or perennial herbs with alternate, simple to pinnatifid loaves and numerous 

 rather large heads of yellow flowers with yellow rays; leaves small, toothed or pinna- 

 tifid, sessile; involucre campanula!'', many-flowered, the brads with green tips, 

 iu several series; receptacle naked; achenes obtuse, compressed, sericeous, 8 to 

 LO-nerved; persistent pappus of I or mure series of unequal, smooth or barbellate 

 bristles. 



KEY TO THE SPKCXBS. 



Teeth of leaves ool bristle-tipped; whole plant densely glandular. . 1 . 8. viscidtu. 

 Teeth bristle-tipped; plants not densely glandular. 



Head discoid -. S. grind* lio ides. 



Heads radiate. 



I avesmerel) toothed; heads 15 mm. broad 3. S.aerratua. 



Leave . a1 Lea t the lower ones, pinnatifid; heads seldom 

 more than io mm, broad. 



