FLOWERING PLANTS AND FERNS OF ARIZONA 1011 



20. Senecio wootonii Greene, Torrey Bot. Club Bui. 25: 122. 1898. 



Senecio toluccanus var. microdontus A. Grav, Svn. Fl. I 2 : 388. 



1884. 

 Senecio microdontus Heller, Torrey Bot. Club Bui. 24: 479. 



1897. Not S. microdontus Baker, 1881. 

 Senecio anacletus Greene, Pittonia 4: 307. 1901. 

 Senecio percalvus A. Nels., Wyo. Univ. Pub. Bot. 1: 142. 1926. 



Mountains of Coconino, southern Apache, Graham, Gila, Cochise, 

 and Pima Counties, 6,000 to 9,000 feet, coniferous forest, May to 

 September, type of S. percalvus from Elden Mountain near Flagstaff, 

 Coconino County (Hanson 1572). Colorado, New Mexico, Arizona, 

 and Chihuahua. 



21. Senecio actinella Greene, Torrey Bot. Club Bui. 10 : 87. 1883. 

 Apache, Coconino, Greenlee, and Gila Counties, 5,500 to 9,500 feet, 



coniferous forest, May to August, type from near Flagstaff (Rusby 

 671). New Mexico, Arizona, and northern Mexico. 



Senecio actinella var. mogollonicus (Greene) Greenm., said to have 

 larger leaves than the typical form, does not seem taxonomically 

 distinct. It is also known from New Mexico. 



22. Senecio arizonicus Greene, Torrey Bot. Club Bui. 10: 87. 1883. 

 Near Prescott (Yavapai County), about 5,500 feet, June and July, 



type from Lynx Creek (Rusby in 1883). Southern New Mexico and 

 central Arizona. 



23. Senecio werneriaefolius A. Gray, Amer. Acad. Arts and Sci. Proc. 



19: 54. 1883. 



Senecio aureus L. var. werneriaefolius A. Grav, Acad. Nat. 

 Sci. Phila. Proc. 1863: 68. 1863. 



Kaibab Plateau and San Francisco Peaks (Coconino County), 9,000 

 to 10,000 feet (and perhaps higher), June to August. South Dakota, 

 Wyoming, Colorado, Utah, and northern Arizona. 



24. Senecio hartianus Heller, Torrey Bot, Club Bui. 26: 622. 1899. 

 Mountains of Apache, Navajo, Coconino, and Gila Counties, 6,500 



to 8,000 feet, May to August, type from Hart Spring, San Francisco 

 Peaks (MacDougal 230). New Mexico and Arizona. 



25. Senecio cynthioides Greene, Leaflets 1: 212. 1906. 



A collection from the head of the Little Colorado River, Apache 

 County (Goodding 1146), is cited by Greenman (see footnote 11, p. 1005, 

 Greenman, vol. 5, p. 94). New Mexico and eastern Arizona, July. 



26. Senecio neomexicanus A. Gray, Syn. FL l 2 : 392. 1884. 



Senecio toumeyi Greene, Pittonia 3: 349. 1898. 



Senecio mutabilis Greene, ibid. 4: 113. 1900. 



Senecio blumeri Greene, Leaflets 2: 20. 1909. 



Senecio encelia Greene, ibid. p. 22. 



Senecio papagonius A. Nels., Wyo. Univ. Pub. Bot. 3:110. 1937. 



White Mountains (Apache, Navajo, and Greenlee Counties) and 

 vicinity of Flagstaff (Coconino County), to the mountains of Cochise, 

 Santa Cruz, and Pima Counties, 3,000 to 9,000 feet, commonly in oak 

 chaparral, sometimes in pine forest, April to August, the type of *S. 

 toumeyi from the Chiricahua Mountains (Tourney in 1896), that of 



