24 NEW YORK STATE MUSEUM 
Carex projecta Mackenzie 
(C. tribuloides reducta Bailey) 
Johnstown, August 3, 1912. No. 31. 
Carex setacea ambigua (Barratt) Fernald 
Carex swanii (Fernald) Mackenzie 
Bleeker, June 22, 1912. No. 293. 
Carex complanata Torrey 
(C. triceps hirsuta (Willd.) Bailey) 
Gloversville, June 13, 1912. No. 12. 
Carex retrorsa Schwein. 
Gloversville, July 17, 1913. No. 47. 
Carex sterilis Willd. 
Celtis occidentalis Linn. 
While the Hackberry is said to range from western Quebec south- 
ward and westward, it must be regarded as a rare tree throughout 
northern and central New York. Along the banks of the Sacandaga 
river above Northampton are a number of gigantic Hackberry trees, 
varying in diameter from 10 to 25 inches. They appear to be native 
trees but if they were planted there it must have been fully a 
century ago. 
Euphorbia marginata Pursh 
A western species, often cultivated for its ornamental petaliferous 
bracts, and tending to become established eastward. The Fulton 
county station is apparently the first report of its naturalization 
east of Ohio. 
Filipendula ulmaria (L.) Maxim. 
Established from specimens which were probably introduced and 
cultivated for ornamental purposes. The species is already estab- 
lished in various localities in New England, Quebec and New York. 
Glyceria borealis (Nash) Batchelder 
(Panicularia borealis Nash) 
Vlie, Fulton county. Collected by Mr Olsson. This species occurs 
throughout the northern counties of the State, and is probably more 
abundant than the few collections would seem to indicate. It was 
