i' 



82 



i2nio, pp. 466. Philadelphia, 185 I. 



f^ Sketch of the Botany of Pennsylvania. By Thomas C. Porter .(B) 



From Walhng & Gray's Topographical Atlas of Pennsylvania. Folio, 



with map, showing distribution of the plants. ' Philadelphia, 

 1872. 



Bucks County. 



An enumeration of the indigenous and naturalized Plants found 



CT 



rowing in Bucks County. By J 



fo 



8vo, pamph. pp. 28. Doylestown, 1876. 

 Chester County. 



FIorLda Cestrica; an essay towards a Catalogue of the phaenogamous 

 Plants, native and naturalized, growing in the vicinity of the bor- 

 ough of West Chester. By Wm. Darlington. (D ) 

 8vo, pp.152. West Chester, 1826. 



Flora Cestrica; an attempt to enumerate and describe the flowering 

 and flhcoid Plants of Chester County, in the State of Pennsyl- 

 vania. By Wm. Darlington. (D.) 



I vol., 8vo. West Chester, 1837. (Enlarged edition, Philadel- 

 phia. ,1853.) ^ 



Cumberland County. 



Contributions towards a Catalogue of the Trees and Shrubs of 



Cumberland County. By Spencer F. Baird 

 J^ancaster County. 



Vol. i. 1845. 



! 



^^^ Index Florae Lancastriensis. By Henry Muhlenberg. (A ) 



In Irans. Amer. Philosoph. Soc. Vol. iii, ist ser. Philadelphia, 



1793- . 



^oi Supplementum Indicis Florae Lancastriensis. By Henry Muhl- 



enberg. (A.) (ibidem) .Vol. iv, ist ser. 

 ^ ^ A Catalogue of the filicoid and flowering Plants of Lancaster Co , ar- 

 ranged in conformity with Endlicher's Genera Plantarum. By 

 Wm. Darlington. (A.) 

 In Rupp's History of Lancaster Co. Lancaster, 1844. 

 ,07 Enume'ation of the indigenous and naturalized Plants found grow- 



mg in the County of Lancaster, By Thomas C. Porter (B ) 

 ^/^T,^';"'"' Authentic Hist. Lancaster Co. Lancaster, 1S69. 



Philadelphia County. 

 , Compendium Florae Philadelphicae; containing a description of the 



indigenous and naturalized Plants found within a circuit of ten 

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



^ T., ^ ""^l^"'- ^^'"^' PP- "^52 and 234. Philadelphia, 1818. 

 y<sA florae Philadelphicae Prodromus. By William P. C Barton (D ) 



4to, pp. 100. Philadelphia, 1815. ' • \ ■/ 



List of Plants found in the neighborhood of Philadelphia, Feb. to 



Oct., and list of Ferns, By Dr. Darrach. (A ) 

 In Proc. Phila. Acad. Sci. i860. '^ 



\u On Colonies of Plants observed near Philadelphia. By Aubrey H. 



Smith. (B.) J J 



In Proc. Phila. Acad. Sci. 1867 



sx. Foreign Plants introduced in the vicinity of Philadelphia By I C 



Martindale. y ^- ^. 



