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. Pennsylvania, L. Wild Red Cherry. 



Rocky woods. Union: Plainfield Tweedy. Essex: Frank- 

 lin Kusby. 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. 



Nine-bark. 



P. opulifolia (L.), Raf. (Spirsea opulifolia, L.) 



Camden : Banks of Cooper's Creek Parker. Burlington : 

 Bordentown, and along Crosswicks Creek Apgar. Mercer: 

 Along the Delaware Stowell. Hunterdon : Lambert ville J. 

 Stokes; King wood Best. Warren: Banks of the Delaware 

 Porter. Sussex : Banks of the Delaware Britton. Morris: 

 Along Black River Miss E. Apgar. 



SPIR^A, L. 



Meadow-sweet. 

 S. betulifolia, Pall. (S. oorymbosa, Raf.) 



Morris : Near Chester Austin ; not recently collected. 

 S. LOBATA, Jacq. 



Sussex : Andover, escaped from cultivation Britton. Ad- 

 ventive from the West. 



