30 GEOLOGICAL SURVEY OF NEW JERSEY. 
LITERATURE OF THE SUBJECT. 
Besides the ordinary sources of general botanical information, the 
following publications refer directly to our flora, either as a whole or 
in part, and all have been carefully examined : 
A Catalogue of Plants growing spontaneously within thirty miles of 
the city of New York. By John Torrey, M.D. Pamphlet, pp. 100, 
Albany, 1819. 
Compendium Flore Philadelphice ; containing a description of the 
indigenous and naturalized plants found within a circuit of ten miles 
around Philadelphia. By William P. C. Barton. 2 vols. 8vo., 
pp. 251 and 234, Philadelphia, 1818. 
A Catalogue of Plants growing without cultivation in the counties 
of Monmouth and Ocean. By P. D. Knieskern. Annual Report of 
Geological Survey, 1856. 
Also reprinted, pamphlet, pp. 41, Trenton, 1857. 
A List of Plants and a Catalogue of Marine Alge collected on the 
coast of Egg Harbor. By Samuel Ashmead. In Geol. Rep. Cape 
May County, pp. 149-154, Trenton, 1857. 
Bulletin of the Torrey Botanical Club. 8vo., New York, 1870- 
1889+. Contains in volumes I-VI. a revision and enlargement of 
Dr. Torrey’s list of 1819, and numerous notes and papers on New 
Jersey plants in the more recent volumes. 
Catalogue of Plants growing without cultivation in the State of New 
Jersey. By O. BR. Willis, Ph.D. 8vo., pp. xxiit71, New York, 
1874, Revised Edition, pp. xxviii.+88, New York, 1878. 
A Preliminary Catalogue of the Flora of New Jersey. Compiled 
for the Geological Survey. By N. L. Britton. 8vo., pp. 233, New 
Brunswick, 1881. 
HERBARIA ILLUSTRATING THE FLORA. 
It has been my endeavor to accumulate an herbarium which 
should contain as nearly as possible a complete representation of our 
plants in so far as they can be illustrated by dried and mounted 
