GRAMINE.E. 47 



AGROPYRUM TENERUM, Vasey, Bot. Gaz. x. 258. Com- 

 mon in dry land below 9,000 feet; also a very slender and 

 short-awned form at Trimble Springs and at Poncho Pass, 

 nn. Ill, 948. 



AGROPYRUM OANINUM, Beauv. Agrost. 102. Common on 

 the plains about Mancos and among the foothills; seldom 

 occuring at elevation greater than 9,000 feet. Among the 

 more notable deviations from the type is one with very 

 pubescent sheaths, this from the Canon of the La Plata; 

 and there is one from Mancos with rigidly divergent leaves; 

 nn. 431, 440, 977. 



AGROPYRUM PSEUDO-REPENS, S. & S. On hills near Du- 

 rango; not seen elsewhere, n. 946. 



AGROPYRUM SCRIBNERI, Vasey, Bull. Torr. Club, x. 128. 

 Abundant on the divide above Cumberland Mine, at 12,000- 

 12,300 feet, n. 978. 



HORDEUM PUSILLUM, Nutt. Gen. i. 87. Occasional in dry 

 fields about Mancos and Durango. 



HORDEUM ADSCENDENS, HBK. Nov. Gen. et. Sp. i. 180. 

 Abundant on dry land above the river at Mancos ; riot before 

 known as occurring within the United States except along 

 irrigating ditches at Glendale, Arizona, n. 109. 



ELYMUS CANADENSIS, Linn. Sp. 83. Occasional along the 

 Las Animas, n. 980. 



ELYMUS GLAUCUS, Buckl. Proc. Philad. Acad. (1862) 99. 

 A state of this species showing compound spikes; found 

 only at Hamor's Lake, n. 981. 



ELYMUS MACOUNII, Vasey, Bull. Torr. Club, xiii. 119. 

 Hills near Durango; seemingly rare, n. 979. 



SITANION BREVIFOLIUM, J. G. Smith, Bull. Agrost. xviii. 



