444 MISC. PUBLICATION 42 3, U. S. DEPT. OF AGRICULTURE 



3. Trifolium pinetorum Greene, Erythea 2: 182. 1894. 



Trifolium longicaule Woot. and Standi., Contrib. U. S. Natl. 

 Herbarium 16: 141. 1913. 



Kaibab Plateau and north rim of Grand Canyon (Coconino County), 

 mountains of Graham, Cochise, and Pima Counties, 7,500 to 9,000 

 feet, moist soil of coniferous forests, June to October. New Mexico 

 and Arizona. 



What seems to be a glabrate form of this species, with few-flowered 

 heads, occurs north of the Grand Canyon. 



4. Trifolium fendleri Greene, Pittonia 3: 221. 1897. 



Apache County to Coconino County, south to Greenlee and Gila 

 Counties, 7,000 to 9,500 feet, moist soil of coniferous forests, June to 

 September. Colorado, Utah, New Mexico, and Arizona. 



5. Trifolium fistulosum Vaughan, Amer. Midland Nat. 22: 575. 1939. 

 Huaehuca Mountains, Cochise County (Lemmon in 1882), July. 



Southeastern Arizona and Mexico. 



6. Trifolium lacerum Greene, Erythea 2: 182. 1894. 



Gila and Yavapai Counties to Cochise (?) and Pima Counties, 2,000 

 to 5,000 feet, wet places, March to July. New Mexico and Arizona. 



7. Trifolium arizonicum Greene, Erythea 3: 18. 1895. 



Vicinity of Flagstaff (Coconino County), about 7,000 feet, August, 

 type from near Flagstaff {Rusby in 1883) . Known only from northern 

 Arizona. 



Intergrades with T. fendleri and T. lacerum. 



8. Trifolium amabile H. B. K., Nov. Gen et Sp. 6: 503. 1824. 

 Huaehuca Mountains (Cochise County), about 6,000 feet, wet 



sandy soil near springs and brooks, August to October. Southeastern 

 Arizona to Central America. 



9. Trifolium dasyphyllum Torr. and Gray, Fl. North Amer. 1: 315. 



1838. 



Grand Canyon, north rim, Coconino County (Grand Canyon 

 Herbarium 765). Montana to Colorado, Utah, and (?) northern 

 Arizona. 



The identification of the specimen cited needs confirmation. 



10. Trifolium subcaulescens Gray in Ives, Colo. River Rpt. 10. 1860. 

 Apache County to Coconino County, 7,000 to 10,000 feet, yellow 



pine and spruce-fir forests, May and June, type from near Fort 

 Defiance, Apache County (Newberry in 1858). Colorado, New Mexico, 

 and northern Arizona. 



11. Trifolium albopurpureum Torr. and Gray, Fl. North Amer. 1: 



313. 1838. 

 Gila and Maricopa Counties, 3,000 to 4,000 feet, March to May. 

 Arizona and California. 



Known in California as rancheria clover. 



12. Trifolium gradlentum Torr. and Gray, Fl. North Amer. 1: 316. 



1838. 

 Gila, Maricopa, Pinal, and Pima Counties, 2,500 to 4,000 feet, 

 March to May. Washington to Arizona and California. 



