SPECIES AND VARIETIES. 343 



leaves softly downy; panicle six inches long or more, with 

 numerous drooping branches, the spikelets linear-lanceolate; 

 awns much longer than the pales. Waste places, waysides, 

 etc. Fl. June, July. 



** Outer pales oblong, turgid. 



B. arvensis : annual or biennial ; stems erect, 1-3 feet 

 high, softly downy or glabrous ; panicle small, slender, elon- 

 gated or compact, nearly erect, more frequently more or less 

 drooping ; pales always short, oblong or ovoid, turgid, closely 

 packed ; awn slender, usually about the length of the glumes. 

 Cultivated and waste places. Fl. June, July. 



The following closely allied plants are included in B. arven- 

 sis by Mr. Bentham : 



B. secalimis : a tall cornfield variety, with a loose, more or 

 Jess drooping panicle, the flowers not so closely imbricated, 

 becoming quite distinct and spreading when in fruit. 



B. mollis : common in open waste places, with a more erect 

 panicle, either short and compact or long and slender, the 

 whole plant softly downy. 



B. raceniosus : like the last, but much more glabrous. 



(329) Festuca. 



* Awns none, or very short. 



P. ovina : stems densely tufted, \-\^ foot high ; leaves very 

 narrow, almost cylindrical ; panicle rather compact, 1J-4 

 inches long ; glumes narrow, glabrous, or downy, almost al- 

 ways bearing a fine point or awn. Hilly pastures. Fl. June. 



F. rubra, found in light sandy or loose stony places, re- 

 sembles this, but has the rootstock more or less creeping. 



P. pratensis : stems 2-3 feet high ; leaves flat ; panicle 



