[Vor. 5 
42 ANNALS OF THE MISSOURI BOTANICAL GARDEN 
An herbaceous perennial, more or less white-tomentose 
throughout; stems one to several from a short stoutish per- 
pendieular or ascending rootstock, erect, 1.5 to 5.5 dm. high, 
white-tomentose below, sometimes becoming glabrous or 
nearly so above, striate; radieal and lower stem-leaves petio- 
late, obovate to oblanceolate, 2 to 10 em. long, .5 to 3 cm. 
broad, subentire to lyrate, at first densely white-tomentose 
on both surfaces, later more or less glabrate, thick in texture 
and often tinged with purple; upper stem-leaves sessile, ir- 
regularly dentate, gradually reduced towards the corymbose 
inflorescence; heads numerous, 10 to 12 mm. high, radiate; 
involucre campanulate, sparingly calyculate; bracts of the in- 
volucre usually 21, linear-lanceolate, 6 to 8 mm. long, tomen- 
tulose to nearly glabrous; ray-flowers 10 to 13, rays yellow; 
disk-flowers numerous; achenes hirtellous. 
Distribution: mountains of New Mexico and Arizona. 
Specimens examined: 
New Mexico: Organ Mountains, coll. of 1852, Wright 1415 
(Gray Herb. and Phil. Acad. Nat. Sci. Herb.), турк; without 
definite locality, coll. of 1847, Fendler 479 (Gray Herb.); 
Mimbres, coll. of 1853, Dr. Henry (Gray Herb.); Mogollon 
Mountains, Aug., 1881, Rusby 212 (Mo. Bot. Gard. Herb.); 
Santa Magdalena Mountains, coll. of 1881, Vasey (U. S. Nat. 
Herb.) ; between Santa Fé and Cafüoncito, alt. 2225 m., 23 
June, 1897, 4. A. % Е. G. Heller 3749 (U. S. Nat. Herb. and 
Mo. Bot. Gard. Herb.) ; Organ Mountains, 25 May, 1898, C. L. 
Herrick 232 (U. S. Nat. Herb.) ; Burro Mountains, Grant Co., 
alt. 1825 m., 20 June, 1903, Metcalfe 195 (U. S. Nat. Herb., 
Mo. Bot. Gard. Herb., and Univ. Ariz. Herb.) ; Organ Moun- 
tains, Dona Ana Со., 25 April, 1907, Wooton 3370 (U. б. Nat. 
Herb.) ; Sandia Mountains, 2 May, 1914, Ellis 22 (U. S. Nat. 
Herb. and Mo. Bot. Gard. Herb.). 
Arizona: Mazatzal Mountains, coll. of 1867, Dr. E. Smart 
(U. S. Nat. Herb.) ; without definite locality, coll. of 1869, Dr. 
E. Palmer (U. S. Nat. Herb. No. 49345) ; Fort Lowell, coll. of 
1880, Lemmon 122 (Gray Herb.) ; Santa Catalina Mountains, 
April, 1880, Lemmon (Gray Herb.); Santa Catalina Moun- 
