Local Floras of the United States and British America. 253 



Blair County. 



193. — Plants observed Growing near Hollidaysburg, Pa. By J. A. 

 Lowrie. (A.) 

 Leaflet, p. 1, no date. 



Bucks County. 



194. — An Enumeration of the Indigenous and Naturalized Plants found 

 Growing in Bucks County. By I. S. Moyer, M.D. (B.) 

 8vo., pampli., pp. 28. Doylestown, 1876. Also in Appendix to History 

 of Bucks County. 



Chester County. 



195. — Florula Cestrica ; an Essay towards a Catalogue of the Ph^^noga- 

 Mous Plants, Native and Naturalized, Growing in the Vicinity of 

 the Borough of West Chester. By Wm. Darlington. (D.) 

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

 196. — Flora Cestrica ; an attempt to Enumerate and Describe the Flower- 

 ing AND FiLicoiD Plants of Chester County, in the State of Penn- 

 sylvania. By Wm. Darlington. (D.) 

 1 vol. 8vo. pp. 640. West Chester, 1837. (Revised ed. pp. 498. Phila- 

 delphia, 1853.) 



Cumberland County. 



197. — Contributions towards a Catalogue of the Trees and Shrubs op 

 Cumberland County. By Spencer F. Baird. (B.) 

 Rec. and Jour. Linn. Assoc. Pennsylv. Coll., i, 57-63. 1845. 



DelaTware County. 



198. — Botany of Delaware County. By Dr. Geo. Smith. (B.) 

 " History of Delaware County, Pa.," 416. Philadelphia, 1862. 



Lancaster County. 



199. — Index Flor-s; Lancastriensis. By Henry Muhlenberg. (A.) 



Trans. Amer. Philosoph. Soc, iii (Istser.), 157-184. Philadelphia, 1793. 

 200. — Supplementum Indicis Florae Lancastriensis. By Henry Muhlen- 

 berg. (A.) 

 Trans. Amer. Philosoph. Soc, iv (1st ser.), 235-242. 1796. 

 201. — A Catalogue of the Filicoid and Flowering Plants of Lancaster 

 County, Arranged in Conformity with Endlicher's Genera Planta- 

 RUM. By Wm. Darlington. (A.) 

 Rupp's History of Lancaster County, 483-508. Lancaster, 1844. 

 202. — Enumeration of the Indigenous and Naturalized Plants found Grow- 

 ing IN the County of Lancaster. By Thomas C. Porter. (B.) 

 Mombert's Authentic Hist. Lancaster County, 580-604. Lancaster, 1869. 



Lacka'wanna and Luzerne Counties. 



203. — Preliminary List of the Vascular Plants of the Lackawanna and 

 Wyoming Valleys. By William R. Dudley. (B.) 

 Proc. and Coll. Lackawanna Inst. History and Science, i, 29-106. 

 Scranton, 1887. 



