23). 
5. Leaves glandless, narrowly elliptic- 
obovate; hips and sepals glandular- 
hirsute; sepals entire or with 2 
narrow lateral divisions. 
7. Stipules upwardly dialated, the 
spreading adnate part of the pair 
3 - 10 mm. broad. Expected 
(R. virginiana). 
7. Stipules with parallel sides, the 
adnate part .5 - 2 mm. broad. 
8. Sepals entire; leaflets glabrous, 
or pilose only on veins beneath; 
cauline thorns stout and recurved...... R. palustris 
8. Sepals with 2 narrow lateral 
divisions; leaflets pilose beneath; 
cauline thorns slender and straight.... R. carolina 
Rosa multiflora Thunb. Rose 
Java Farm and Ivy Neck. Infrequent, usually on banks of streams 
and in nearby old fields. Associate species: Gratiola virginiana, 
Trifolium repens, Tripsacum dactyloides, Panicum clandestinum, Viburnum 
prunifolium, Rhus typhina, Celastrus scandens. Higman 221, 328, 680, 
HOS) 1 23k 
R. canina L. Dog Rose 
Ivy Neck. One station: steep bluff above sandy shore of Rhode River 
on Cheston Peninsula, north of Sand Point. Associate species: Amorpha 
frutescens, Rhus tpphina, Verbascum thapsus, Daucus carota, Atriplex 
patula, Plantago lanceolata, Juncus tenuis, Solidago sempe-: sempervirens, 
Cirsium discolor, Arctium minus. us.  Higman 368, 1162. 
R. micrantha Sm. Sweetbrier 
Java Farm. Infrequent in old fields. Associate species: Rosa 
palustris, Solidago altissima, Rhus radicans. Higman 377, 761. 
R. palustris Marsh. Swamp Rose 
Java Farm. Infrequent along shores of streams and estuaries, 
landward margin of salt marsh on tidal portion of Muddy Creek, and 
scattered along Fox Creek drainage and adjacent fields. Associate species: 
Salix nigra, Rosa micrantha, Myrica cerifera, Viburnum prunifolium. 
Higman 291, 368, 379, 466, 861. 
