1915] 



GKEENMAN MONOGRAPH OF SENECIO 593 



lanceolate, 4 to 5 mm. long, commonly black- tipped ; ray-flow- 

 ers 5 to 8, light yellow; disk-flowers 14 to 30; achenes glab- 

 rous or slightly puberulent. 



Distribution : New Mexico and Arizona. 

 Specimens examined: 



New Mexico: Santa Fe Canon, Aug., 1880, Snow (Mo. Bot. 

 Gard. Herb.); Santa Fe Creek, 9 Sept., 1881, Engelmann 

 (Mo. Bot. Gard. Herb.) ; Santa Fe, 14 Aug., 1895, Mulford 1292 

 (Mo. Bot. Gard. Herb.) ; near Pecos, alt. 2040 m., 25 Aug., 1908, 

 Standley 5311 (Mo. Bot. Gard. Herb.) ; Pecos River National 

 Forest, alt. 2560 m., 10 Aug., 1908, Standley 4873 (U. S. Nat. 

 Herb.) ; White Mountains, alt. 2130 m., 6 Aug., 1897, Wooton 

 290 (Gray Herb, and Mo. Bot. Gard. Herb.) ; White Moun- 

 tains, alt. 2255 m., 25 Aug., 1907, Wooton & Standley 3672 

 (U. S. Nat. Herb.) ; head of Bear Creek, coll. of 1903, Plummer 

 (U. S. Nat. Herb.); Gilmore's Ranch, White Mountains, alt. 

 2280 m., 23 Sept., 1906, Standley (Mo. Bot. Gard. Herb.) ; G. 

 O. S. Ranch, Grant Co., 27 Aug.-12 Sept., 1911, Holzinger 

 (U.S. Nat. Herb.). 



Arizona: Walnut Canon, alt. 2130 m., MacDougal 342 

 (Gray Herb, and Field Mus. Herb.), co-type; near Flagstaff, 

 May-Oct., 1900, Purpus (U. S. Nat. Herb, and Mo. Bot. Gard. 

 Herb.) ; Mt. Agassiz, alt. 3050 m., 10 Sept., 1909, Pearson 315 

 (U. S. Nat. Herb.); Humphrey Peak, July, 1883, Rusby 337 

 (Gray Herb, and Field Mus. Herb.) ; Barfoot Park, Chiri- 

 cahua Mountains, 24 Oct., 1906, Blumer 1484 (U. S. Nat. Herb, 

 and Field Mus. Herb.); Huachuca Mountains, Sept., 1882, 

 Lemmon 2785 (Gray Herb., U. S. Nat. Herb., and Field Mus. 

 Herb.) ; Huachuca Mountains, 17 Oct., 1903, M earns 2581 (U. 

 S. Nat. Herb.). 



9. S. ambrosioides Rydb. Bull. Torr. Bot. Club 37 : 467. 

 1910; Wooton & Standley, Contr. U. S. Nat. Herb. 19:745. 

 1915. 



S. eremophilus Gray, PL Fendl. 108. 1849, as to plant of 

 Fendler ; Pac. Rail. Rept. 4 : 111. 1856, as to plant of Bigelow ; 

 Syn. Fl. N. Am. I 2 : 392. 1884, and ed. 2. 1886, in part, not 



