FLOWERING PLANTS AND FERNS OF ARIZONA 901 



10. Phyllaries oblong or t-he outer ones ovate, very obtuse, firm and 

 substramineous; involucre 4 to 6 mm. high; inflorescence 

 thyreoid, or with erect branches; plant cinereous-puberulous. 



6. S. NANA. 



10. Phyllaries chiefly linear to linear-oblong or the outer ones usually 

 lanceolate, acute or acutish or the outer ones acuminate, 

 thinner; involucre 3 to 5 mm. high; inflorescence when well 

 developed pyramidal, the heads secund on the more or less 

 recurved branches; plants greener 7. S. sparsiflora. 



1. Solidago ciliosa Greene, Pittonia 3: 22. 1896. 



Solidago muUiradiata var. scopvlorum A. Gray, Amer. Acad. 



Arts and Sci. Proc. 17: 191. 1882. 

 Solidago scopvlorum A. Nels., Bot. Gaz. 37: 264. 1904. 



San Francisco Peaks (Coconino County), the type locality. 10,500 

 to 12.000 feet, July to September. Alberta and British Columbia 

 to northern Arizona and California. 



2. Solidago decumbens Greene, Pittonia 3: 161. 1897. 



San Francisco Peaks (Coconino County), White Mountains (north- 

 ern Greenlee County), 8.000 to 9,500 feet, July and August. 

 British Columbia to Oregon and Arizona. 



3. Solidago missouriensis Nutt., Acad. Nat. Sci. Phila. Jour. 7: 32. 



Ib34. 



Solidago glaberrima Martens, Acad. Roy. Belg. Bui. CI. Sci. S: 



68. 1841. 

 Solidago marshallii Rothr. in Wheeler, U. S. Survey West 



100th Merid. Rpt. 6: 146. 1878. 

 Solidago tenuissima Woot. and Standi., Contrib. U. S. Natl. 



Herbarium 16: 182. 1913. 



Flagstaff and Williams (Coconino County) and southern Apache 

 County, southward to the mountains of Cochise and Pima Counties. 

 6.000 to 9.000 feet, open pine forest and along streams, June to 

 August, type of S. marshallii from the Chiricahua Mountains (Roth- 

 rock 530). Michigan and Tennessee to British Columbia, Oregon, 

 and Arizona. 



4. Solidago altissima L., Sp. PL 878. 1753. 



Solidago canadensis var. arizonica A. Gray, Amer. Acad. Arts 



and Sci. Proc. 17: 197. 1882. 

 Solidago arizonica Woot. and Standi., Contrib. U. S. Natl. 



Herbarium 16: 181. 1913. 



Coconino, Yavapai, Cochise, and Pima Counties, 2.500 to S,500 

 feet, August and September, type of S. canadensis var. arizonica from 

 Boulder Creek, Yavapai (?) County (Rothrock 782). Atlantic Coast 

 States to Wyoming and Arizona. 



5. Solidago canadensis L., Sp. PL 878. 1753. 



The species is represented in Arizona by var. gilvocancscens Rydb. 

 (S. gUvocanescens Smyth). Western Gila and eastern Yavapai 

 Counties, 3,000 to 4.000 feet, July and August. Minnesota to 

 Kansas, westward to Montana, Nevada, and central Arizona. 



The stems reach a height of 2.5 m. 



