Pyrola ERICACEAE Rhododendron 



P. virens Schweigg. (P. chlorantha Sw. of Gray's Man., ed. 7.) 



Infrequent, in sandy pine woods, Sussex County. May, early 

 June. 



P. elliptica Nutt. Shin Leaf. 



Frequent, in rocky woods of the Piedmont area. Mid-June, 

 early July. 



P. rotundifolia L. var. americana (Sweet) Fernald. (P. americana 

 Sweet, of Gray's Man., ed. 7.) 



Frequent in rich woods of the Piedmont; infrequent southward 

 to northern Accomac County: dry sandy woods 134 ^li- 6. of Watts- 

 ville, R. R. Tatnall, 4449, 28 April 1940 (T). Mid- June to mid- 

 July. 



Monotropa L. 



M. uniflora L. Indian Pipe. 



Frequent in rich woods, Piedmont, and southward on the 

 Coastal Plain to Accomac County. Early June to mid-Sept. 



M. Hypopitys L. Pinesap. 



Common in rich woods of the Piedmont; infrequent southward 

 to Worcester County. July into September. 



Var. rubra (Torr.) Farwell. {M. lanuginosa Mx.) 



Habitat of the species, but less frequent. One station in 

 Northampton County: 1 mi. w. of Eastville, R. R. Tatnall, 3211, 

 18 Oct. 1936 (T). 



Rhododendron L. 



R. arborescens (Pursh) Torr. {Azalea arhorescens Pursh). Smooth 

 Azalea. 

 Rare: Bald Friar (Ce), along the Susquehanna River, E. B. 

 Bartram, 4 June 1907 (A), and S. Brown, 1 Sept. 1909 (A). 



R. viscosum (L.) Torr. {Azalea viscosa L.) Clammy Azalea. 



Common in swamps and wet thickets, from the Fall Line to 

 Cape Charles. Late May, June. 



Var. glaucum (Mx.) Gray. 



In the same habitats, but less frequent. 



R. nudiflorum (L.) Torr. {Azalea nudiflora L.) Purple Azalea. 



Common in dry or swampy woods, Piedmont area, and south- 

 ward on the Coastal Plain to Sussex County; infrequent farther 



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