CATALOGUE. 179 



reduced to a small lanceolate bract; head V in diameter, calyculate scales 

 linear, acute; inner scales (involucre proper) broader, acuminate, and 

 somewhat wavy at apex ; achenia somewhat cylindrical. 



Teteadymia canescens, DC, var. inekmis, Gray.— Eastern Arizona, at 

 6,500 feet altitude, Loew; also from Southern Colorado (449, 855). 



Cnicus Dkummondii, T. & G., (462); and also var. acaulescens, Gray 

 (461). Colorado. 



Cnicus undulatus, Gray (Proc. Amer. Acad, x, 42).— South of Camp 

 Apache, at 5,900 feet (293); and Mount Graham, Arizona, at 9,000 feet 

 (742). 



Var. megacephalus, Gray {I. c. p. 42).— Head 2-2A' in diameter; 

 involucral scales broader than in the type of the species and spines (of 

 scales) rather shorter.— Camp Apache, Ariz. (256); also elsewhere from 

 Arizona and Utah. 



Cnicus Arizonicus, Gray (I. c. p. 44). (Cirsium undulatum var., Gray, 

 PI. Wright. 2, p. 101.) — My specimen, a very smooth form, may be briefly 

 described thus: — glabrous, 3-4° high, and loosely branched; leaves pin- 

 natifid, with the divisions tipped with long spines; peduncles short; scales 

 of involucre longer and comparatively narrower from without inward, the 

 outermost distinctly spine-tipped (the innermost acute, but hardly spine- 

 lipped); "stigmatic tip to the style lardy 4-6 times longer than thick and the 

 node at its base manifest" — Central Arizona (289); Colorado (463). 



Cnicus Neo-Mexicanus, Gray (I, c. p. 45). (Cirsium Neo-Mexicanum, 

 Gray, PI. Wright. 2, p. 101.)— 1-2° high, covered with a dense, soft, white 

 wool (becoming less so with age) ; lower leaves petioled, deeply pinnately 

 parted, the lobes tipped with well-marked spines, with margins between 

 spiny-ciliate; upper leaves sessile, less deeply pinnatifid and smaller, 

 becoming gradually reduced to bracts; heads hemispherical, 1-2' in diam- 

 eter; outer scales of the involucre reflexed, and with tips more strongly 

 spinescent than the inner ones ; corolla som'ewhat irregularly cleft ; lobes 

 twice as long as the throat ; anthers with a minute spiny tip, longer than 

 each anther is wide. — Santa Fd, N. Mex. (62). 



Cnicus Paeeyi, Gray (I. c. p. 47). — Greenish, or even somewhat 

 glaucous, slightly tomentose ; leaves lanceolate, irregularly, deeply dentate, 



