FLOWERING PLANTS AND FERNS OF ARIZONA 137 



2. Bouteloua parryi (Toiirn.) Griffiths, Contrib. U. S. Xatl. Herbarium 



14: 381. 1912. 



Chondrosium parryi Fourn., Mex. PL 2: 150. 1886. 



Pinal. Cochise, and Pima Counties, mostly 3.000 to 5,000 foot, 

 mesas and rocky hills, August to October. New Mexico, Arizona, and 

 northern Mexico. 



3. Bouteloua barbata Lag., Var. Cienc. 2 4 : 141. 1805. 



Bouteloua polystachya Ton*., U. S. Rpt. Expl. Miss. Pacif. 5 2 : 

 366. 1857. 



Apache County to Coconino County, south to Cochise, Pima, and 

 Yuma Counties. 1.000 to 5,500 feet, dry mesas and rocky hills, July 

 to October. Texas to southern Utah, Arizona, southeastern Califor- 

 nia, and Mexico. 



4. Bouteloua hirsuta Lag., Var. Cienc. 2 4 : 141. 1805. 



Mohave. Yavapai, Pinal, Cochise, Santa Cruz, and Pima Counties, 

 1.000 to 5.500 feet, dry, rocky hills and mesas, August to October. 

 Wisconsin and South Dakota to Texas. Arizona, southern California, 

 and Mexico. 



5. Bouteloua glandulosa (Cerv.) Swallen. North Amer. Fl. 17: 621. 



1939. 



Erucaria glandulosa Cerv.. Xaturaleza 1: 347. 1870. 



Xear Ruby. Santa Cruz County (Goodding et al. 3582;. rocky hills 

 and plains. Arizona and Mexico. 



6. Bouteloua gracilis (EL B. K.) Lag. ex Steud., Nom. Bot. ed. 2, 



1: 219. 1840. 



Chondrosium gracile H. B. K., Nov. Gen. et Sp. 1: 176. 1816. 

 Bouteloua oligostaehya Torr. in A. Gray, Man. ed. 2. 553. 



1856. 



Apache Countv to Mohave County, south to Cochise, Santa Cruz, 

 and Pima Counties. 1.200 to 5.000 (rarely 8,000) feet, dry plains. 

 July to October. Wisconsin to Manitoba and Alberta, south to 

 Missouri, Texas, Arizona, southern California, and Mexico. 



7. Bouteloua eriopoda Torr., U. S. Rpt. Expl. Miss. Pacif. 4: 155. 



1856. 



Chondrosium eriopodum Torr. in Emorv, Mil. Reconn. 154. 

 1848. 



Apache County to Mohave County, south to Cochise and Pima 

 Counties, 3.200 to 5.300 feet, dry hills, mesas, and open ground, July 

 to October. Texas to southern Utah. Arizona, and Mexico. 



8. Bouteloua rothrockii Vasey, Contrib. U. S. Xatl. Herbarium 1: 



268. 1S93. 

 Mohave. Yavapai. Pinal, Cochise, Santa Cruz. Pima, and Yuma 

 Counties, up to 5.200 feet, mesas and rocky foothills, August to 

 October, type from Cottonwood (Rothrock 347). Arizona, southern 

 California, and northern Mexico. 



