288 GEOLOGICAL SURVEY OF NEW JERSEY. 
HELEOCHLOA, Host. 
H. scH@norpeEs (L.), Host. (Crypsis schenoides, Lam.) 
Camden: Waste grounds, Kaighn’s Poiit—Parker. Mercer : 
Trenton—Apgar. Adventive from Europe. , 
PHLEUM, L. 
Timothy. 
P. PRATENSE, L. 
In fields and meadows. Common. Naturalized from Europe. 
SPOROBOLUS, R. Br. 
Drop-seed Grass. 
S. asper (Michx.), Kunth. (Vilfa aspera, Beauv.) 
Low grounds, Ocean and Monmouth: Not common—Knuies- 
kern. Warren: Marble Hill and below Phillipsburg—Porter ; 
Carpentersville—Garber. -Bergen: Closter—Austin. Hunter- 
don: Frequent—Best. Gloucester: Mickleton—Heritage. 
S. vagineeflorus (Torr.), Vasey. 
In dry soil. Frequent throughout the State. 
S. compressus (Torr.), Kunth. 
In pine-barren swamps. Frequent. 
S. serotinus (Torr.); Gray. 
In pine-barren swamps. Common. 
AGROSTIS, L. 
Bent-grass. 
A. altissima (Walt.), Tuck. (A. elata, Trin.) 
In pine-barren swamps. Camden: Atco—Martindale. At- 
lantic: Egg Harbor—Parker ; Landisville—C. A. Gross ; Ham- 
monton—Scribner. Burlington: Atsion—Martindale. 
A. perennans (Walt.), Tuck. Thin-grass. 
Damp, shaded places. Apparently frequent throughout the 
State. 
A. hiemalis (Walt.), B.S. P. Hair-grass. (A. scabra, Willd.) 
In damp, open places. Common throughout the State. 
