66 NEW YORK STATE MUSEUM 



Agropyron repens (L.) Beauv. 

 Quack grass 

 Grass lands, specially around barns and dwellings. Common. 

 July- September. 



Agropyron caninum (L.) R. & S. 



Awned wheat grass 

 Open woods and thickets and along their borders. Frequent. 

 July. 



Hordeum jubatum L. 



Squirrel tail grass 

 Along the Delaware, Lackawanna and Western Railroad and 

 in gardens, as a weed, at Apalachin. Infrequent. July. 



Elymus striatus Willd. 

 Slender wild rye 

 River banks in shade. Common. June. 



Elymus virginicus L. 

 Terrell grass 

 River banks. Common. July- August. 



Elymus canadensis L. 

 Nodding wild rye 

 River banks. Abundant. July- August. 



Elymus canadensis glaucifolius (Willd.) Torr. 

 Glaucous wild rye 

 With the preceding species and evidently only a glaucous form 

 of it. July- August. 



Hystrix hystrix (L.) Millsp. 

 Asprella hystrix Willd. 

 Bottle 'brush grass 

 In rocky woods and along streams. Frequent. Spikelets 

 easily detached. July. 



CYPERACEAE 



Cyperus diandrus Torr. 

 Low cyperus 

 Along streams in wet soil. Frequent. August- September. 



