WOOTON AND STANDLEY FLORA OF NEW MEXICO. 71 



11. Muiilenbeigia squarrosa (Triu.) Rydb. Bull. Torrey Club 36: 531. 1909. 

 Vil/a squarrosa Trin. j\Iem. Acad. St. Petersb. VI. Sci. Nat. 3': 100. 1840. 

 Type locality: North America. 



Range: British. America to California and Mexico. 



New Mexico: Tunitcha Mountains; Chama; Ensenada; Sandia Mountains; Rio 

 Pueblo; Pecos; Grants Station. Transition Zone. 



12. Muhlenbergia lemmoni Scribn. Contr. U. S. Nat. Herb. 1: 56. 1890. 

 Type locality: Ballinger, Runnels County, Texas. 



Range: Western Texas to Arizona and Mexico. 



New Mexico: Organ Mountains (B^oofon). Hillsides. 



13. Mulilenbergia wrightii Vasey; Coulter, Man. Rocky Mount. 409. 1885. 

 Type locality: "New Mexico." 



Range: Colorado to Mexico. 



New Mexico: Baldy; Johnsons Mesa; Trout Springs; El Rito Creek; Las Vegas; 

 near Datil; near La Jara; Kingston; Winter Folly. Damp mountain slopes, in the 

 Transition Zone. 



14. Muhlenbergia cuspidata (Torr.) Rydb. Bull. Torrey Club 32: 599. 1905. 

 VilJ'a cuspidaia Torr.; Hook. Fl. Bor. Amer. 2: 238. 1839. 



Type locality: " Banks of the Saskatchawan, near the Rocky Mountains." 

 Range: British America to New Mexico and Missouri. 



New Mexico: Pecos; Cross L Ranch; Kingston. Open slopes, in the Upper 

 Sonoran Zone. 



15. MuMenbergia thurbeii (Scribn.) Rydb. Bull. Torrey Club 32: 601. 1905. 

 Sporoholus thurberi Scribn. U. S. Dept. Agr. Div. Agi'ost. Bull. 11: 48. 1898. 

 Type locality: Plaza Larga, New Mexico. Type collected by Bigelow. 

 Range: Colorado to New Mexico. 



New Mexico: Plaza Larga; Carrizo Mountains; Eagle Creek. Dry hills, in the 

 Upper Sonoran Zone. 



16. Mulilenbergia repens (Presl) Hitchc. in Jepson, Fl. CaUf. 1: 111. 1912. 



Aparejo grass. 



Sporoholus repens Tresl, Rel. Haenk. 1: 241. 1830. 



VilJ'a ntilis Torr. U. S. Rep. Expl. Miss. Pacif. 5: 365. 1857. 



Sporoholus utilis Scribn. U. S. Dept. Agr. Div. Agrost. Bull. 17: 171. 1899. 



Muhlcnhergia utilis Rydb.; Woot. & Standi. N. Mex. Agr. Exp. Sta. Bull. 81: 

 74. 1912. 



Type locality: Mexico. 



Range: Western Texas to southern California. 



New Mexico: Kingston; Mangas Springs; Salinas; Tularosa; Fort Bayard; Thorn- 

 ton; Raton Mountains; Deming; Mesilla Valley. Plains and low hills, in the Lower 

 and Upper Sonoran zones. 



Aparejo grass receives its name from its use by the Mexicans in packing their 

 "aparejos" or pads which are a substitute for pack saddles. It is a rather aggressive 

 weed in the lower Rio Grande Valley, crowding out grasses and other plants. 



17. Muhlenbergia trifida Hack. Repert. Nov. Sp. Fedde 8: 518. 1910. 

 Type locality: Michoacan, Mexico. 



Range: Western Texas and Colorado to California and Mexico. 



New Mexico: Santa Fe and Las Vegas mountains; Johnsons Mesa; Raton Moun- 

 tains; Tunitcha Mountains; Chama; Grants Station; Mogollon Moimtains; Black 

 Range; Burro Mountains; San Luis Mountains; Organ Mountains; AMiite Mountairis. 

 Open hills and in canyons, in the Upper Sonoran and Transition zones. 



