538 BOTANICAL SURVEY OF DISMAL SWAMP REGION. 



GENTIANACEAE. ' 



Sabbatia annularis (L.) Pursh. Low ground, Northwest, July !l (No. 1512), 

 Sabbatia calycina (Lam.) Heller. Shaded, swampy banks of streams, Suffolk 



(No. 1736); Edenton, N. C. (No. 1917). 

 Sabbatia dodecandra (L.) B. S. P. Fresh-water river marshes. Pasquotank 



River, near Elizabeth City, N. C, August 1 (No. 19%); Northwest River 



(No. 2377). 

 Sabbatia lanceolata (Walt. ) Torr. & dr. In open, boggy ground. Newborn, N. C, 



August 1 (No. 1945). 

 Sabbatia stellaris Pursh. In salt marshes on Lynnhaven Lav, .Tuly 27 (No. 



1857). 

 Gentiana elliottii Chapm. Shaded woodsides through woodland. Virginia 



Beach, October 4 (No. 2137); Northwest. November 8 (No. 2384). 

 Bartonia virginica (L.) B. S. P. In marshy ground among pine woods, Edenton, 



N. C., July 29 (No. 1875). 



APOCYNACEAE. 



Vinca major L. About dwellings, Pungo, Princess Anne County, May 14 (No. 



1155); escaped from gardens. 

 Apocynum cannabinum L. In open pine woods near Berkley. 

 Apoeynum pubescens R. Br. In open pine woods, Ocean View, July 8 (No. 



1472). 

 Trachelospermum difforme (Walt.) A. Cray. In a pine-barren bog, Edenton. 



N. C. (No. 1874) . 



ASCLEPIADACEAE. 



Asclepias lanceolata Walt. In fresh-water river marshes, Northwest, July 9 

 (No. 1518); Elizabeth City, N. C, August 2 (No. 1992). 



Asclepias pulchra Ehrh. In marshes, along Pasquotank River, Elizabeth City, 

 Augusts (No. 2010); Wallaceton (No. 2340). 



Asclepias variegata L. In dry pine woods, Suffolk, May 19 (No. 1202); Ports- 

 mouth, May 27 (No. 1368). 



Vincetoxicum carolinense (Jacq.) Britton. In low pine woods, Virginia Beach, 

 October 2 (No. 2072). 



CONVOLVULACEAE. 



Dichondra evolvulacea (L. f. ) Britton. Railway embankment (probably intro- 

 duced from farther south). Northwest (No. 231)8). 



Ipomoea hederacea Jacq. In cornfields, introduced, Wallaceton 



Ipomoea pandurata (L.) Meyer. In sandy fields. 



Ipomoea purpurea (L. ) Roth. In fallow and cultivated lands, frequent, intro- 

 duced (No. 2185). 



Ipomoea quamoclit L. In a sandy field near Kempsville, Princess Anne County, 

 introduced, October 7 (No. 2186). 



Convolvulus americanus (Sims) Greene. Sloping bank of a pond inside the 

 sand dunes, Virginia Beach (No. 2022), 



Convolvulus repens L. Sandy field, Ocean View, May 30 (No. 14.40). 



CTJSCTJTACEAE. 



Cuscuta arvensis Beyrich. In a sandy field, Suffolk, July 11 (No. 1583). 

 Cuscuta gronovii Willd. Frequent in the more open parts of the Dismal 



Swam]), on various plants (e.g., IHaiitlicru anurivana L. and tttihnx niyrolxtc- 



cus Bailey). 



1 Determined by Mr. C. L. Pollard, 



