United States Department of the Interior 

 Bureau of Biological Survey 



Wildlife Leaflet BS-154 



Washington, D. 0. * May 1940 



FLORA 0? THE PATUXENT RESEARCH REFUGE, MARYLAND l/ 



By Neil Hotchkiss, Biologist, Section of Food Habits 

 risicn of Wildlife Research 



Contents 



Page • Page 



Description of refuge .... 1 Description of refuge — Continued. 



Location and size 1 Vegetation 4 



Topography and water supply 2 . The flora 10 



Geology and soils 2 List of plants . 10 



DESCRIPTION OF REFUGE 



The following notes are based on observations and collections made 

 by the writer on 78 nonconsecutive days, scattered through the growing and 

 fruiting seasons from October 19, 1936, to July 25, 1939, on the Patuxent 

 Research Refuge, maintained by the Bureau of Biological Survey. 



Location and Size 



The Patuxent Research Refuge lies along both sides of the Patuxent 

 River in Prince Georges and Anne Arundel Counties, Md. , from about 3 miles 

 south-southeast of Laurel southeastward for approximately 3 miles in a 

 strip varying from 3/4 to 1-3/4 miles wide; thence southwestward, in Prince 

 Georges County, for approximately 3 miles in a strip varying from l/4 to 1 

 mile wide, to a point about 1-1/2 miles west of Bowie. (See map, p. 3; 

 also the U. S. Geological Survey's map of the Laurel quadrangle.) 



There are three separately fenced, but adjacent, tracts, which are 

 referred to in the following discussion as "west," "east," and "south" 

 (in the plant list as W, E, and S.). The first lies between the Laurel- 

 Bowie road and the Patuxent River and extends southeastward to Telegraph 

 Road, which, crosses the River at Duval 1 Bridge; the second lies across 

 Telegraph Road to the southeast; the third is south and west of the 

 Laurel -Bowie road. The 3 tracts total more than 2,000 acres. A small 



!_/ Contribution from the Patuxent Research Refuge — No. 1 



