58 NEW YORK STATE MUSEUM 



Panicum waiter! Pursh 



Panicum crus-galli var. h i s p i d u m Torr. 



Cockspur grass 



Common along the river. August-October. 



Panicum minus (Muhl.) Nash 



Wood panicum 



Dry woods and thickets near Nichols. Not common. August, 



September. 



Eragrostis major Host 



Pungent meadow grass 



Roadsides and along railways. Frequent. August, September. 



Panicularia elongata (Torr.) Kuntze 



Glyceria elongata Trin. 



Long manna grass 



In a swamp near Smithboro. Infrequent. August, September. 



Eleocharis palustris (L.) R. & S. 



Creeping spike rush 



Low wet grounds, specially along the river. Common. August, 



September. 



Smilax rotundifolia L. 



Green brier. Catbrier 



Thickets near Nichols. Rare. Stem more or less quadrangular 



and high climbing. Leaves five nerved. May, June. 



Lemna trisulca L. 



Ivy-leaved duckweed 



Ditches and sloughs. Frequent. July, August. 



Corylus americana Walt. 



Hazelnut 



Thickets along the river. Common. Apparently not found here 



on the uplands. March, April. 



Corylus rostrata Ait. 



Beaked hazelnut 



Fence rows and thickets. Common. April. 



Betula populifolia Marsh. 



White birch 

 Plentiful along the valley road 3 miles south of Owego. May. 



