746 CONTRIBUTIONS FROM THE NATIONAL HERBARIUM. 
New Mexico: Santa Fe and Las Vegas mountains; Jemez Mountains; G O 8 Ranch; 
White and Sacramento mountains. Transition Zone. 
Our specimens differ from the type in having larger and narrower leaf segments. 
The material from Arizona is insuflicient to determine whether the New Mexican 
plant is specifically distinct. 
20. Senecio triangularis Hook. Fl. Bor. Amer. 1: 332. pl. 115. 1833. 
Type Locauity: ‘‘Moist prairies among the Rocky Mountains.”’ 
Rance: British America to California and northern New Mexico. 
New Mexico: Chama; Santa Fe and Las Vegas mountains. Along streams and 
in bogs, in the Canadian and Hudsonian zones. 
21. Senecio carthamoides Greene, Pittonia 4: 122. 1900. 
Tyre Locauity: Little Ouray Mountain, at Marshall Pass, Colorado. 
RanGeE: Mountains of Colorado and northern New Mexico. 
New Mexico: Upper Pecos River (Maltby & Coghill 198). Arctic-Alpine Zone. 
22. Senecio crassulus A. Gray, Proc. Amer, Acad. 19: 54. 1883. 
Type Locauity: ‘‘Colorado Rocky Mountains.”’ 
RanGeE: Idaho and Montana to Utah and northern New Mexico. 
New Mexico: Truchas Peak (Standley 4794). High mountains, in the Hudsonian 
and Arctic-Alpine zones. 
23. Senecio lapathifolius Greene; Rydb. Colo. Agr. Exp. Sta. Bull. 100: 394. 
1906. . 
TYPE LocALity: Mountains of Colorado. 
RANGE: Southern Colorado and northern New Mexico. 
New Mexico: Chama (Standley 6733). Wet meadows, in the Transition Zone. 
24. Senecio thurberi A. Gray, Proc. Acad. Phila. 1863: 68. 1864. 
TYPE LOCALITY: Santa Rita, New Mexico. 
Rance: Mountains of New Mexico and Arizona. 
New Mexico: Santa Rita. 
25. Senecio microdontus (A. Gray) Heller, Bull. Torrey Club 24: 497. 1897. 
Senecio toluccanus microdontus A, Gray, Syn. Fl, 17: 388. 1884, 
Senecio wootonii Greene, Bull. Torrey Club 25: 122. 1898. 
Senecio anacletus Greene, Pittonia 4; 307, 1901. 
TypPrE Locauity: Pinos Altos Mountains, New Mexico. Type collected by Greene. 
RanG_E: Colorado to Arizona and New Mexico. 
New Mexico: Tierra Amarilla; Santa Fe and Las Vegas mountains; White and Sacra- 
mento mountains. Mountains, in the Transition Zone. 
The type of S. wootonit was collected in the White Mountains (Wooton 491). 
26. Senecio atratus Greene; Rydb. Colo. Agr. Exp. Sta, Bull. 100: 395. 1906. 
Type Locauity: Mountains of Colorado. 
Ranae: Mountains of Colorado and northern New Mexico. 
New Mexico: Baldy (Wooton). 
27. Senecio fendleri A. Gray, Mem. Amer, Acad. n. ser, 4: 108. 1849. 
Type Locauity: ‘Foot of high mountains, along the creek 12 miles above Santa Fe,’’ 
New Mexico. Type collected by Fendler (no. 478). 
RanGeE: Colorado and Utah to New Mexico. 
New Mexico: Santa Fe and Las Vegas mountains; Sandia Mountains; Jemez 
Mountains; Rio Pueblo; Baldy. Transition Zone. 
28. Senecio canovirens Rydb. Bull. Torrey Club 27: 187. 1900. 
TypPE LOCALITY: White Mountains, New Mexico. Type collected by Wooton 
(no. 244). 
Rane@eE: Mountains of Colorado and New Mexico. 
