106 CONTRIBUTIONS FROM THE NATIONAL HERBARIUM. 
TYPE LOCALITY: Texas. 
Ranee: British Columbia and Montana to Arizona and Texas. 
New Mexico: Tunitcha Mountains; Farmington; Carrizo Mountains; Pecos; San- 
dia Mountains; Santa Fe and Las Vegas mountains; Raton Mountains; Albuquerque; 
Fort Bayard; Socorro; Mogollon Creek; Roy; White and Sacramento mountains. 
Moist hillsides, in the Upper Sonoran and Transition zones. 
10. Agropyron palmeri (Scribn. & Smith) Rydb.; Woot. & Standl. N. Mex. Agr. 
Exp. Sta. Bull. 81: 153. 1912. 
Agropyron spicatum palmeri Scribn. & Smith, U.S. Dept. Agr. Div. Agrost. Bull. 4: 
33. 1897. 
Agropyron smithit palmert Jones, Contr. West. Bot. 14: 18. 1912. 
TYPE LOcALITY: Arizona. 
Ranae: Arizona and New Mexico. 
New Mexico: Wheelers Ranch; Coolidge; Santa Fe; Agua Azul. 
11. Agropyron smithii Rydb. Mem. N. Y. Bot. Gard. 1: 64. 1900. 
COLORADO BLUESTEM. 
Agropyron glaucum occidentale Scribn. Trans. Kans. Acad. 9: 119. 1885. 
Agropyron occidentale Scribn. U. 8. Dept. Agr. Div. Agrost. Cire. 27: 9. 1900. 
TyPE LOCALITY: Kansas. 
Rance: Washington and Wisconsin to Arizona and Texas. 
New Mexico: Chama; Shiprock; Dulce; Carrizo Mountains; Sierra Grande; Tunit- 
cha Mountains; Pecos; Cowles; Taos; Johnsons Mesa; Raton; Coolidge; Puertecito; 
Gallo Spring; Mangas Springs; Reserve; Socorro; Nogal; White Mountains. Plains 
and meadows, in the Upper Sonoran and Transition zones. 
Colorado bluestem is a valuable range grass, occurring in great abundance on the 
foothills and the higher plains. 
12. Agropyron molle (Scribn. & Smith) Rydb. Mem. N. Y. Bot. Gard. 1: 65. 1900. 
Agropyron spicatum molle Scribn. & Smith, U. 8. Dept. Agr. Div. Agrost. Bull. 4: 
33. 1897. 
Agropyron smithti molle Jones, Contr. West. Bot. 14: 18. 1912. 
Type Locauity: ‘‘Saskatchewan to Colorado and New Mexico, and westward to 
Idaho and Washington.” 
Ranae: Washington and Saskatchewan to northern New Mexico. 
New Mexico: Raton; Chama; Farmington. Plains and low hills, in the Upper 
Sonoran and Transition zones. 
71. LOLIUM L. Rye arass. 
Annuals or perennials with simple erect culms, flat leaves, and simple terminal 
spikes; spikelets several-flowered, solitary, sessile in alternate notches of the con- 
tinuous rachis, one edge of each spikelet placed against the rachis; rachilla jointed 
between the florets; glumes | (2 in the terminal spikelet), shorter than or exceeding 
the florets; lemmas rounded on the back, 5 to 7-nerved, obtuse, acute, or awned; 
palea 2-keeled; stamens 3; styles very short, distinct; grain smooth, adherent to the 
palea. 
1. Lolium perenne L. Sp. Pl. 83. 1753. 
Type Locauty: ‘‘Habitat in Europa ad agrorum versuras solo fertili.’’ 
RanGE: Native of Europe, introduced in many parts of North America. 
New Mexico: Chama; Santa Fe; Agricultural College. 
72. HORDEUM L. 
Annuals or perennials with terminal cylindrical spikes of awned spikelets; spike- 
lets 1-flowered, 2 or 3 together at each joint of the rachis, sessile or on very short 
pedicels; rachilla articulated above the glumes and continued behind the palea of 
