WOOTON AND STANDLEY FLORA OF NEW MEXICO. 457 



9. Echinocereus triglochidiatus Engelm. in Wisliz. Mem. North. Mex. 93. 1848. 

 Cereus triglochidiatus Engelm. in A. Gray, Mem. Amer. Acad. n. ser. 4: 50. 1849. 

 Type locality: On Wolf Creek, New Mexico. Type collected by Wislizenua in 



1846. 

 Range: Trans-Pecos Texas to New Mexico. 

 New Mexico: Near Santa Fe. Upper Sonoran Zone. 



10. Echinocereus paucispinus (Engelm.) Riimpl. in Forst. Handb. Cact. ed. 2. 

 794. 1886. 



Cereus paucispinus Engelm. Proc. Amer. Acad. 3: 285. 1856. 



Type locality: "Western Texas, from the San Pedro to the mouth of the Pecos." 

 Range: Colorado and New Mexico to western Texas. 



New Mexico: Santa Fe; mountains near Albuquerque; Cedar Hill; Tunitcha 

 Mountains; Farmington. Upper Sonoran Zone. 



11. Echinocereus neomexicanus Standley, Bull. Torrej^ Club 35: 87. 1908. 

 Type locality: Mesa west of the Organ Mountains, New Mexico. Type collected 



by Standley (no. 383). 



Range: Known only from the type locality. 



12. Echinocereus rosei Woot. & Standi. 



Echinocereus polyacanthus Engelm. err. det. Standley, Bull. Torrey Club 35: 85 

 /. i.l908. 



Type locality: Agricultural College, New Mexico. Type in the U. S. National 

 Herbarium, no. 535093, collected by Paul C. Standley in 1907 (no. 1235). 



Range: Southern New Mexico, western Texas, and adjacent Mexico. 



New Mexico: Agricultural College; Big Hatchet Mountains; Socorro; San Mateo 

 Peak. Dry plains and low hills, in the Lower Sonoran Zone. 



This has always passed as E. polyacanthus, and specimens from the vicinity of El 

 Paso were referred here by Doctor Engelmann. That species, however, is amply 

 separated by the presence of long, white wool in the areolae of the ovary and fruit. 



13. Echinocereus coccineus Engelm. in Wisliz. Mem. North. Mex. 93. 1848. 

 Cereus coccineus Engelm. in A. Gray, Mem. Amer. Acad. n. ser. 4: 50. 1849. 

 Cereus phoeniceus Engelm. Proc. Amer. Acad. 3: 284. 1856. 



Cereus aggregatus Coulter, Contr. U. S. Nat. Herb. 3: 306. 1896, possibly Mamillaria 

 aggregata Engelm. 1848. 



Type locality: About Santa Fe, New Mexico. Type collected by Wislizenus. 



Range: Colorado to western Texas and Arizona. 



New Mexico: Santa Fe; Burro Mountains; Upper Pecos; Anton Chico; Zuni 

 Mountains; Burro Mountains; head of the Rio Mimbres; Raton; Carrizo Mountains; 

 Tunitcha Mountains. Open rocky slopes, mountains, in the Upper Sonoran and 

 Transition zones. 



14. Ecliinocereus conoideus (Engelm. & Bigel.) Riimpl. in Forst. Handb. Cact. 

 ed. 2. 807. 1886. 



Cereus conoideus Engelm. & Bigel. Proc. Amer. Acad. 3: 284. 1856. 



Type locality: Rocky places on the Upper Pecos, New Mexico. Type collected 

 by Bigelow. 



Range: New Mexico, Arizona, and western Texas. 



New Mexico: Anton Chico; FortWingate; between Barranca and Embudo; east 

 of Hillsboro; Las Cruces; Cubero; Lordsburg. Dry hills and mesas, in the Lower and 

 Upper Sonoran zones. 



