THE HAMILTON ASSOCIATION. 1 25 



Deschampsia flexuosa — Trin. 

 Avena striata — Michx. 



" faiiia — L. 

 Danthonia spicata — Beauv. 

 Cynodon Dadyloii — Pers. 

 Bouteloua oligostachya — Torr. 

 Eleusine Iiidica — Gaertn (Logie). 

 Phragmites communis — -Trin. 

 Munroa squarrosa — Torr. 

 Eatonia Pennsylvanica — Gray. 

 Eragrostis minor — Host. 

 Dactylis glomernta — L. 

 Poa annua — L. 

 " compressa — L. 

 " nemoralis — L. 

 " serotina — Ehrhart. 

 -' pratensis — L. 

 " debilis — Torr. 

 Glyceria Canadensis — Trin. 



" elongata— Trin. 



" nervata — Trin. 



" pallida — Trin. 



" grandis — Watson. 



" fluitans — R. Br 

 Festuca tenella — Willd. 



" ovina — L. 



" nutans— Willd. 



" elatior — L., var. pratensis — Gray. 

 Bromus Kalmii — Gray. 



" secalinus — L. 



" ciliatus — L. 

 Lolium perenne — L. 

 Agropyrum repens — Beauv. 



" caninum — R. & S, 



Elymus Virginicus — L. 



" Canadensis — L. 



" " var. glaucifolius — Gray. 



" striatus— Willd. 



