WOOTON AND STANDLEY FLOEA OF NEW MEXICO. 745 



11. Senecio riddellii Torr. & Gray, Fl. N. Amer. 2: 444. 1842. 

 Type locality: Texas. 



Range : Nebraska and Colorado to New Mexico and Texas. 



New Mexico: Shiprock; Pecos; Lincoln. Plains and hills, in the Upper Sonoran 

 Zone. 



12. Senecio multicapitatus Greenm. Bull. Torrey Club 33: 160. 1906. 



Type locality: "Plains and in mountain valleys of Colorado, New Mexico, and 

 Arizona." 



Range: Colorado to Arizona and New Mexico. 



New Mexico: Farmington ; Dulce; Ramah; Santa Clara Canyon; Raton; Santa 

 Fe; Albuquerque; Arch; Clayton; Folsom; Nara Visa; MogoUon Mountains; Mesilla 

 Valley; Dona Ana Mountains; Capitan Mountains; White Oaks. Plains and open 

 elopes, from the Lower Sonoran to the Transition Zone. 



13. Senecio taraxacoides (A. Gray) Greene, Pittonia 4: 119. 1900. 

 Senecio am-plcctens taraxacoides A. Gray, Proc. Acad. Phila. 1863: 67. 1864. 

 Type locality: Rocky Mountains of Colorado. 



Range: Mountain peaks of Colorado and northern New Mexico. 

 New Mexico: Truchas Peak; Baldy. Ai'ctic-Alpine Zone. 



14. Senecio amplectens A. Gray, Amer. Joum. Sci. II. 33: 240. 1862. 



Type locality: "In the mountains high up, at the foot of the snowy range," 

 Colorado. 



Range: Colorado and northern New Mexico. 



New Mexico: Truchas Peak; Pecos Baldy; Baldy. High mountain peaks, in the 

 Hudsonian and Arctic-Alpine zones. 



Probably tliis is our handsomest species, by its large heads and the peculiar long, 

 bright yellow rays. It grows only above or at the edge of the timber on the high 

 mountains, often under the low slu-ubs. 



15. Senecio actinella Greene, Bull. Torrey Club 10: 87. 1883. 

 Type locality: Near Flagstaff, Arizona. 



Range: Mountains of Arizona and New Mexico. 



New Mexico: Mogollon Mountains between the Middle and West Forks of the 

 Gila (IFoo ton). 



16. Senecio mogollonicus Greene, Leaflets 1: 212. 1906. 



Type locality: Dry Flats on the West Fork of the Gila, Mogollon Mountains, New 

 Mexico. Type collected by Metcalfe (no. 410). 

 Range: Known only from type locality. 



17. Senecio sanguisorboides Rydb. Bull. Torrey Club 27: 170. 1900. 



Type locality: Santa Fe Canyon, New Mexico. Type collected by Heller 

 (no. 3820). 



Range: Mountains of New Mexico. 



New Mexico: Santa Fe and Las Vegas mountains; Rio Pueblo; White and Sacra- 

 mento moimtains. Transition to Hudsonian Zone. 



18. Senecio ambrosioides Rydb. Bull. Torrey Club 37: 467. 1910. 

 Type locality: Green Mountaia Falls, El Paso County, Colorado. 

 Range: Wyoming to New Mexico. 



New Mexico: Tunitcha Mountains; Carrizo Mountains; Chama; Santa Fe Canyon; 

 Pecos; Las Vegas; Sandia Mountains; Black Range. Mountains, in the Transition 

 Zone. 



19. Senecio macdougalii Heller, Bull. Torrey Club 26: 592. 1899. 

 Type locality: Near Flagstaff, Arizona. 



Range; Mountains of Arizona and New Mexico. 



