April I, 1916 367 



Bromus STERIMS L. I, 2. Barren brome grass. Moist 

 ground and waste places, Lower Albina, St. Johns, etc. Advcnt- 

 ivc from Europe. May to June. 



Bromus Eximius uivibraticus Piper. 4. Western brome 

 grass. i^B. vulgaris.) Infrequent in open woods, Macleay Park, 

 and on grassy slopes, Elk Rock. May, June. 



Bromus marginatus Nees. 4. Coarse brome grass. Com- 

 mon in coarse tufts in fields and waste places. May to July. 



Bromus carinaTUS H. & A. 4. Pyramidal brome grass. 

 Infrequent in moist, sandy soil, Lower Albina. Shoit lived per- 

 ennial here. May to July. 



LoLiuM L. Rye grass. 



Lolium perenne L. 4. Rye grass. Short lived perennial, 

 common in fields, roadsides and waste places around Portland. 

 Naturalized from Europe. April to July. 



Lolium TEMULENTUM L. i. Bearded darnel. Tall annual 

 infrequent in fields and waste places, rather regarded as a weed 

 by farmers. Naturalized from Europe. May to July. 



Agropyron J. Gaertn. Wheat grass. 

 Agropyron spicatum (Pursh) Scribn. & Smith. 4. Wheat 

 bunch grass. {A. divergens.) Ballast ground and waste places, 

 Lower Albina. Densely tufted perennial, undoubtedly intro- 

 duced here from east of the Cascade mountains. May to July. 



Agropyron bifi^orum (Brign.) R. & S. 4. Northern wheat 

 grass. {A. violaceum ) Infrequent along railroad tracks and 

 waste places, Oregon City. Introduced here, as it belongs from 

 Washington northward and eastward. May to August. 



Agropyron occidentale Scribn. 4. Western blue joint. 

 {A. Smithii.) Erect perennial in meadows and bottom lands 

 about Columbia slough. May to July. 



Hordeum [Tourn.] L. Barley. 

 HORDEUM PUSILLUM Nult. I. Little bailey. Small annual 

 in waste places, Lower Albina and East Portland. ProLably in 

 troduced here from eastern Oregon. May to July. 



