WOOTON AND STANDLEY FLOBA OF NEW MEXICO. 647 



2. Eupatorium rt>throckii A. Gray, Syn. Fl. I 2 : 102. 1884. 

 Type locality: Mount Graham, Arizona. 



Range: Mountains of Arizona and southern New Mexico. 



New Mexico: White Mountains; Cloudcroft; Capitan Mountains. Transition 

 Zone. 



3. Eupatorium solidaginifoliura A. Gray, PI. Wright. 1: 87. 1852. 



Type locality: Mountains between the Limpio and the Rio Grande, western 

 Texas. 



Range : Western Texas to southern Arizona. 



New Mexico: Guadalupe Pass ( Wright 1146). 



Guadalupe Pass is on the southern boundary of the State, and Wright's specimens 

 may have come from either Mexico or New Mexico. 



4. Eupatorium wrightii A. Gray, PI. Wright. 1: 87. 1852. 



Type locality: .Sides of the Guadalupe Mountains, 40 miles east of El Paso, Texas. 



Range: Western Texas to southern Arizona. 



New Mexico: Bishops Cap ( Wooton). Dry hills, in the Upper Sonoran Zone. 



This should be found at other places in the southern part of the State. It is a 

 low shrub with small, thick, scabrous, ovate leaves and numerous small heads con- 

 spicuously tinged with purple on the bracts and at the base of the pappus. 



5. Eupatorium f endleri A. Gray, Proc. Amer. Acad. 17: 205. 1882. 

 Brickelliafendleri A. Gray, Mem. Amer. Acad. n. ser. 4: 63. 1849. 



Type locality: '"Foot of mountains, on the sunny side along the creek, 11 miles 

 above Santa Fe," New Mexico. Type collected by Fendler (no. 347). 



Range: Mountains of New Mexico and Arizona. 



New Mexico: Santa Fe and Las Vegas mountains; Sandia Mountains; Black 

 Range; Mogollon Mountains. Transition Zone. 



6. Eupatorium arizorucum (A. Gray) Greene, Pittonia 4: 280. 1901. 

 Eupatorium ageratifolium var.? herbaceum A. Gray, PI. Wright. 2: 74. 1853. 

 Eupatorium octidentalearizonicum A. Gray, Syn. Fl. I 2 : 101. 1884. 



Type locality: "Mountains, east of Santa Cruz, Sonora (a small-leaved form); 

 also at Guadalupe Pass, and at the Copper Mines, under trees." The last two locali- 

 ties are in New Mexico. 



Range: Mountains of Arizona and New Mexico. 



New Mexico: Las Vegas Canyon; Santa Rita; Burro Mountains; Mangas Spring; 

 Organ Mountains; Cloudcroft. Transition Zone. 



4. CONOCLINIUM DC. 



Branched perennial herb with opposite, palmately cleft or parted leaves and corym- 

 bo is ' In iters of heads on naked peduncle-like branches; Involucre campanulate, I to 

 6 mm. high, the bracts linear; corolla bluish purple; achenes narrow, 5-angled, trun- 

 cate; pappus of few slender bristles in a single series; receptacle conic, naked. 



1. Conoclinium dissectum A. Gray, PI. Wright. 1: 8S. 1852. 



Eupatorium dissectum A. Gray, Proc. Amer. Acad. 18: 100. 1853, not Benth. 1844. 



Eupatorium greggii \. Gray, Byn. Fl. 1-': 102. 1884. 



>diniumgreggii Small, El. Southeast. L T . S. 1 109. 1903. 



Type locality: "Damp place, Rio Seco, and on the Rio Grande, Texas." Type 

 collected by Wrigh.1 * no. 2 



RANG] : '•'. < Jtern Texas to southeast crn Arizona, smith to northern Mexico. 

 . Mexico: San Andreas Mountains ( Wooton). Upper Sonoran Zone. 



Our specimens have unusually large heads. The plants from Irisona have com 

 monlj larger heads than those from Texas and Mexi< o. 



