WOOTON AND STANDLEY FLORA OF NEW MEXICO. 457 



9. Echinocereus trig-lochidiatus Engelm. in Wisliz. Mem. North. Mex. 93. 1848. 

 Cereus triglochidialus Engelm. in A. Gray, Mem. Amer. Acad. n. eer. 4: 50. 1849. 

 Type locality: On Wolf Creek, New Mexico. Type collected by Wislizenus 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. Torrey 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 

 /. 1.1908. 



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 

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

 separated by the presence of long, white wool in the areola? 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 Dpper Sonoran and 

 Transition zones. 



14. Echinocereus conoideus (Engelm. & Bigel.) Riimpl. in Fdrst. Handb. Cact. 

 ed. 2. 807. 1886. 



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



Type locality: Rocky places on the 0pp< r Pecos, New Mexico. Type collected 

 by Bigelow. 



Range: New Mexico, Arizona, and western Texas. 



New Mexico: Anton Chico; Fort Wingate; between Barranca and Embudo; east 



ofHillsboro; LasCruces; Cubero; Lordsburg Dryhillsand aas, in the Lower and 



Upper Sonoran zones. 



