WOOTOIST AND STANDLEY FLORA OF NEW MEXICO. 651 



Heads conspicuously pedunculate; leaves 

 larger, not deeply toothed. 

 Peduncles 2 to 4 cm. long; leaves rounded 



or cuneate at the base 14. C. chenopodinus. 



Peduncles 1 cm. long or less; leaves trun- 

 cate or subcordate at the base 15. C. floribundus. -- 



Bracts and peduncles not viscid. 



Leaves longer than broad, mostly attenuate. 



Leaves long-attenuate, seldom toothed above 



the middle, thin, sparingly pubescent. .16. C. rusbyi. 

 Leaves usually merely acute, toothed almost 



to the apex, thick, densely pubescent.. 17. C. irrighlii. 

 Leaves about as broad as long/ or 15roader, acutish 

 or obtuse. ' 



Leaves 3 tojS cm. wide, thin, bright green 18. C. axillaris. 



Leaves 25 mm. wide or narrower, thick, 



,, , /, grayish 19. C. reniform is. 



B.fi*f>der/ & J 



1. Coleosanthus modestus Greene, Pittonia 4: 230. 1900. 



Type locality: Grays Peak, Lincoln County, New Mexico. Type collected by 

 Earle (no. 161). 

 Range: Vicinity of the type locality. 



2. Coleosanthus umbellatus Greene, Pittonia 4: 238. 1901. 

 Brickellia grandiflora minor A. Gray, Proc. Acad. Phila. 1863: 67. 1864. 

 Coleosanthus congestus A. Nels. Bot. Gaz. 31: 401. 1901. 



Type locality: "Rather common in the mountains of northern Arizona." 



Range: Wyoming to New Mexico and Arizona. 



New Mexico: Tunitcha Mountains; Dulce; Sandia Mountains; Raton Mountains; 

 Copper Canyon; Eagle Peak; Kingston; Organ Mountains; Capitan Mountains. 

 Shaded mountain slopes, in the Transition Zone. 



3. Coleosanthus afmbigens Greene, Bull. Torrey Club 25: 118. pi. 330. 1898. 

 Type locality: White Mountains, New Mexico. Type collected by Wooton 



(no. 335). 

 Ranch: White Mountains of New Mexico, in the Transition Zone. 



4. Coleosanthus grandiflorus (Hook.) Kuntze, Rev. Gen. PI. 1: 328. 1891. 

 Eupatorivm .' grandiflorum Hook. Fl. Bor. Amer. 2: 26. 1834. 



Brickellia grandiflora Nutt. Trans. Amer. Phil. Soc. n. ser. 7: 287. 1841. 



Type locality: "In the Rocky Mountain range by streams in gravelly places, 

 and west to the lower falls of the Columbia." 



Range: Washington and Montana to Arizona and New Mexico. 



New Mexico: Santa Fe and Las Vegas mountains; Mogollon Mountains; Mangas 

 Springs; Fort Bayard; San Luis Mountains; White and Sacramento mountains. 

 Shaded mountain slopes, in the Transition and Canadian zones. 



5. Coleosanthus petiolaris (A. Gray) Greene, Bull. Torrey Club 25: 117. 1898. 

 Brickellia grandiflora petiolaris A. Gray, Proc. Amer. Acad. 17': 207. 1882. 

 Type locality: Mountains of southern Arizona. 



Range: Mountains of southern Arizona and New Mexico. 

 New Mexico: Organ Mountains Transition Zone. 



6. Coleosanthus brachyphyllus (A. Graj I Kuntze, Rev. Gen. PL 1:328. 1891. 

 Clavigera brachyphylla A. Gray, Mi m. Amer. Acad. n. .■• ■ ' 



) Brickellia brachyphylla A. Gray, PI. Wright. 1:84 i- 

 Type locality : "Footof high rocks, 2 miles east of the Mora River," N'-v. Mexico. 



