63 



444. PoA. Meadow Grass. 

 P. annua, L. Cultured fields. 

 P. compressa, L. Wire grass. Sterile soil. 

 P. laxa, Hfen. Summits of higher mountains. 

 P. caesia, Sm. Thetford, Blanchard. Headlands of Lake 



Champlain. 

 P. Serotina, Ehrh. Meadow grass. 

 P. pratensis, L. Meadow grass. June grass. 

 P. TEmALis, L. Meadows. 

 P. debilis, Torr. Commob. Warm Woods. 

 P. alsod.es, Gray. Sj)ear grass. Moist woods. 



445. Glyceeia. 



G. Canadensis, Trin. Low lands. 



G. obtusa, Trin. Wet fields. Southern Vermont. Doubtful. 



G. elongata, Trin. Damp woods. 



G. nervata, Trin. Meadows. 



G. pallida, Trin. Shallow waters. 



G. arundinacea, Kth. {G. agtcatica, Sen.) Wet places. 



G. fluitans, R. Br. Sluggish streams. 



446. Festuca, L. 

 P. tenella, Willd. Sandy soil. 

 F. ovina, L. Fields. 

 F. duriuscula, Gray. Dry fields. 

 F. ELATioR, L. Fields. 

 F. nutans, Willd. Eocky woods. 



447. Beomus, Lc 



B. SECALiNus, L. Chess, Cheat. Cultivated fields. 



B. EACEMOSUS, L. 

 B. MOLLIS, L. 



B. Kalmii, Gray. Dry soil. 



B. ciliatus, L. Woods. 



B. erectus, Hnds. L. Woods. 



448. LoLiuM, L. 



L. PERENNE, L. Rye grass, Darnel. Willoughby Lake. 



449. Aqeopyeum, Beauv. 

 A. REPENS, Beauv. {Triticum re2)ens, L.) Couch grass, Witch 



grass. Very common. 

 A. caninum, R- & S. {T. cmiinum, L.) Barnet, Blanchard, 



Lake Champlaui, Pringle. 

 A. violaceum. (I'.violaceum,!,.) Snake Mountain, Brainerd. 



450 Elymus, L. Wild Rye. 



E. Virginicus, L. Low Ground. 



E. Canadensis, L. Rocky banks of streams. 



E. striatus, Willd. Dry, rocky soil. 



451. AsPEELLA, Willd. {Gymnostichum, Sch.) 



A. Hystrix, Willd. Hedgehog grass. Rocky woods. 



