592 HARPER: DISTRIBUTION OF PLANTS OF THE COASTAL PLAIN 
Robinson and Fernald (the so-called 7th edition of Gray's Manual, 
1908). But none of them were found north of the Virginia-North 
Carolina boundary (latitude 36° 30’) by Chickering, Ward, Mc- 
Carthy, Hollick, Heller, Pollard, or Kearney,* all of whom have 
MAP 
OF THE 
COASTAL PLAIN 
sr BETWEEN TEE 
JAMES AND SAVANNAH RIVERS 
SHOWING 
VEGETATION PROVINCES 
AND 
ROUTES OF EXPLORATION 
State 
Fall-line Pa vasereressaneseas 
Other boundaries 
3} Qeocoooooooeos 
Routes traversed 
in daytine peawevewvewresesocesoes 
at night only +——+—+—+- 
te tf 
«tl 
e 
of 
VEGETATION PROVINCES 433) 
A, Oak and beech flats of eastern N.C, 
B. Flat pine woods with Pinus Taeda. 
CG, Red hills, etc, (tBocene 7?) 
G, Coast regio: 
n + and . 
(H. Altemaha Grit region of Ga.) 
R.M.H. 
1910 
done considerable work in southeastern Virginia in the last quarter 
of the nineteenth century, and published their observations. The 
alleged occurrence of such plants in the ‘‘Manual region” therefore 
deserves careful investigation. 
Dr. Gray in 1856 (Am. Jour. Sci. 72: 205) published an in- 
teresting list of 38 plants which he said would be excluded from 
*For citations of their papers see the bibliography in Kearney’s Dismal Swamp 
report (Contr. U.S. Nat. Herb. §: 547-550. 1901), and the footnotes in my account 
of my 1906 trip. ‘ 
