92 GEOLOGICAL SURVEY OF NEW JERSEY. 
P. pumila, L. 
Rocky or gravelly places in the northern counties. Sussex: 
High Point, and elsewhere on the Kittatinny Mts.—Britton. 
Warren: Islands and shores of the Delaware—Porter. Hun- 
terdon: Bull’s Island—Best; shore of the river opposite Lum- 
berville—Theo. Green. Passaic: Mountain east of Stonetown 
—Britton. 
P. Pennsylvanica, L. Wild Red Cherry. 
Rocky woods. Union: Plainfield—Tweedy. Essex: Frank- 
lin—Rusby. Hudson: Weehawken—I. H. Hall; and frequent 
in the northern counties. 
P. Virginiana, L. Choke-cherry. 
Rocky woods and along water-courses. Hunterdon: Fre- 
quent—Best. Hudson: Snake Hill and Weehawken—Britton. 
Somerset: Near Peapack—Miss R. C. Perry; and frequent in 
the northern parts of the State. 
P. serotina, Ehrh. Wild Black Cherry. 
In open woods and along fence-rows. Common throughout 
the State. 
PHYSOCARPA, Raf. 
WNine-bark. 
P. opulifolia (L.), Raf. (Spirea opulifolia, L.) 
Camden: Banks of Cooper’s Creek—Parker. Burlington: 
Bordentown, and along Crosswicks Creek—Apgar. Mercer: 
Along the Delaware—Stowell. Hunterdon: Lambertville—J. 
Stokes; Kingwood—Best. Warren: Banks of the Delaware 
—Porter. Sussex: Banks of the Delaware—Britton. Morris: 
Along Black River—Miss E. Apgar. 
SPIRZHA, L. 
Meadow-sweet. 
S. betulifolia, Pall. (S. corymbosa, Raf.) 
Morris: Near Chester—Austin ; not recently collected. 
§. Logarta, Jacq. 
Sussex: Andover, escaped from cultivation—Britton. Ad- 
ventive from the West. 
