FLOWERING PLANTS AND FERNS OF ARIZONA 939 



5. Leaves definitely decurrent, or at least with broad adnate auricles (6). 

 6. Phyllaries straw color or distinctly yellowish, very obtuse; heads 

 campanulate-subglobose, about 150- to 225-flowered. 



2. G. CHILEXSE. 

 6. Phyllary tips brownish (sometimes purplish-tinged), acute or acumi- 

 nate: heads slender, about 31- to 47-flowered__ 3. G. ABIZONICTJM. 

 4. Leaves bright green and strongly glandular-pubescent above, whitish- 

 tomentose beneath, all decurrent (7). 

 7. Phyllary tips pearly white, papery, not shining; stem densely whitish- 



tomentose 4. G. letjcocephalu.m. 



7. Phyllary tips straw color or whitish, thin-scarious, shining; stem glandu- 

 lar-pilose, with or without a thin gray tomentum (8). 

 8. Heads campanulate-subglobose, 5 to 6 mm. high, about 130- to 

 150-flowered; phyllary tips straw color to pale brownish. 



5. G. MACOUXII. 



8. Heads subcylindric, 4 mm. high, 30- to 35-flowered; phyllary tips 

 whitish 6. G. prixglei 



1. Gnaphalium wrightii A. Grav, Amer. Acad. Arts and Sci. Proc. 



17: 214. 1882. 



Gnaphalium liridulum I. M. Johnston, Gray Herbarium 

 Contrib. 70: 86. 1924. 



Grand Canyon (Coconino County) to Cochise, Santa Cruz, and Pima 

 Counties, 3.500 to 7,000 feet, dry rocky slopes, August to October. 

 Western Texas to southern California and northern Mexico. 



2. Gnaphalium chilense Spreng., Syst, Veg. 3: 480. 1826. 

 Chuska Mountains (Apache County) and Pierce Spring (Mohave 



County) to Cochise and Santa Cruz Counties, 1,200 to 5,500 feet, along 

 streams, May to October. Montana to Washington, south to Texas, 

 southern Arizona, and California. 



3. Gnaphalium arizonicum A. Gray, Amer. Acad. Arts and Sci. 



Proc. 19: 3. 1883. 

 Mogollon Escarpment (Coconino Coimty), Rincon and Santa 

 Catalina Mountains (Pima County), 6,000 to 7,500 feet, pine forests, 

 August to October, type from near Fort Huachuca (Lemmon) . Arizona 

 and northern Mexico. 



4. Gnaphalium leucocephalum A. Gray, PL Wright. 2: 99. 1853. 

 Eastern Maricopa County, Cochise, Santa Cruz, and Pima Counties, 



2,000 to 5,000 feet, sandy beds of streams, etc., July to September. 

 Southern Arizona, southern California, and Sonora. 



Plant with an odor of lemon-verbena, the stems sometimes 50 or 

 more from 1 root. 



5. Gnaphalium macounii Greene, Ottawa Nat. 15: 278. 1902. 



Gnaphalium decurrens Ives, Amer. Jour. Sci. 1: 381. 1S19. 

 Not G. decurrens L., 1759. 



White Mountains (Apache County), Kaibab Plateau (Coconino 

 County), and Hualpai Mountain (Mohave County') to the mountains 

 of Cochise and Pima Counties, 5,600 to 10,000 feet, open coniferous 

 forests, July to October. Canada south to West Virginia, Texas, 

 southern Arizona, and northern California. 



