66 NEW YORK STATE MUSEUM 



AgTopyron repens (L.) Beauv. 

 Quack grass 

 Grass lands, special!}' 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 tvild 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 

 \Mth the preceding species and evidently only a glaucous foriJ: 

 of it. July- August. 



Hystrix hystrix (L.) Millsp. 



Asprella hystrix Willd. 



Bottle brush grass 



In rocky woods and along streams. Frequent. Spikelets 



easilv detached. Julv. 



CYPERACEAE 



Cyperus diandrus Torr. 

 Low cyperus 

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



