254 Local Floras of the United States and British America. 



Perry County. 



204. — Catalogue op the Names of Plants found in Perry County during 

 THE Summer op 1882 and 1883. By E. W. Claypole. (A.) 

 Rep. Progr. 2d Geol. Surv. Pemi., F. 2, 113-145. 1885. 



Philadelphia County. 



205. — Flor^ PuiLADELPHiOiE Prodromus. By William P. C. Barton. (D.) 



4to, pp. 100. Philadelphia, 1815. 

 206. — Compendium Flor^ PniLADELPHiCiE ; containing a Description of the 

 Indigenous and Naturalized Plants found within a Circuit of Ten 

 Miles around Philadelphia. By William P. C. Barton. (D.) 

 2 vols. 12mo. pp. 252 and 234. Philadelphia, 1818. 

 207. — List of Pi ants found in the Neighborhood of Philadelphia, February 

 TO October, and List of Ferns. By Dr. Darrach. (A.) 

 Proc. Phila. Acad. Sci., 1860, 145, 146; 199-201; 302-304; 511-515. 

 208. — On Colonies of Plants observed near Philadelphia. By Aubrey H. 

 Smith. (B.) 

 Proc. Phila. Acad. Nat. Sci., 1867, 15-24. Reprint, pp. 10. 

 209. — Foreign Plants Introduced in the Vicinity of Philadelphia. By I. 

 C. Martindale. (C.) 

 Botan. Gazette, ii, 55-58, 127, 128. 1876. 

 210. — List of Plants recently Collected on Ships' Ballast in the Neigh- 

 borhood of Philadelphia. By Isaac Burk. (B.) 

 Proc. Phila. Acad. Nat. Sci., 1877, 105-109. 

 211. — Catalogue of Trees and Shrubs Native of, and introduced in, the 

 Horticultural Gardens Adjacent to Horticultural Hall in Fair- 

 mount Park, Philadelphia. Author not given. (By J. T. Rothrock.) 

 (C.) 

 Pamph. 8vo. pp. 99. Philadelphia, 1880. 

 212. — Plants appearing in Flower in the Neighborhood of Philadelphia 

 from February to November. By James Darrach, M.D. (A.) 

 Pamph., 8vo. pp. 15. Germantown, 1882. 



Northampton County. 



213. — List of -the Rarer Plants found near Easton. By L. De Schwei- 



nitz. (A.) 

 Amer. Jour. Sci. and Arts (1st ser.), viii, 267-269. 1824. 

 214. — Catalogue of Botanical Specimens collected by J. Wolle and A. L. 



Huebener during the Year 1837 in the Vicinity of Bethlehem and 



OTHER parts OF NORTHAMPTON CoUNTY. (A.) 



Amer. Jour. Sci. and Arts (1st ser.), xxxvii, 310-320. 1839. 

 215. — Fresh Water Alg^ collected during Three Years, mostly within 



A circuit of about Twenty Miles around Bethlehem. By Francis 



Wolle. (C.) 

 Bull. Torr. Bot. Club, vi, 121-123. 1876. 



Wayne County. 



216. — A List of the Plants of Wayne County, Pa. By John M. Dolph. (A.) 

 Rep. Progr. 2d Geol. Surv. Penn., G. 5, 31-37. 1881. 



