SPERMATOPHYTA. 75 



ERICACEAE (HEATH FAMILY). 



Clethra (Gronov.) L. White Alder. 

 alnifolia L. Sweet Pepperbush. 



In swamps and wet woods, common. 



Chimaphila Pursh. Pipsissewa. 



umbellata (L.) Nutt. Prince's Pine. 



In dry woods, common. 

 maculata (L.) Pursh. Spotted Wintergreen. 



In dry woods. 



Moneses Salisb. One-flowered Pyrola. 



uniflora (L.) Gray. In rich woods, common northward. 



Pyrola (Tourn.) L. Wintergreen. 



secunda L. In woods and copses, 



chlorantha Sw. In dry woods. 



elliptica Nutt. Shin Leaf. In rich, dry woods. 



americana Sweet. In dry woods, common. 



Monotropa L. Indian Pipe. 



uniflora L. Indian Pipe. In moist, rich woods. 



Hypopitys L. Pinesap. In dry woods. 



Ledum (Rupp.) L. Labrador Tea. 

 groenlandicum Oeder. 



In bogs and swamps, common northward. 



Rhododendron L. 



viscosum (L.) Torr. White Swamp Honeysuckle. 



In swamps, common, 

 viscosum, var. glaucum (Michx.) Gray. 



Princeton. W. W. B. and J. F. C. 

 nudiflorum (L.) Torr. Purple Azalea. 



In woods and thickets, common. 



