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Order 58. ERIC ACEiE.— Heath Family. 



Gayi.ussacia. 

 Gaylussacia resinosa Black huckleberry. 



Vaccinium. 



Vaccinium stamineum Deerberry or squaw huckleberry. 



Vaccinium corymbosum Swamp blueberry. 



Vaccinium Pennsylvanicum Dwarf blueberry. 



Vaccinium Canadense Common blueberry. 



Vaccinium vacillans Low blueberry. 



Chiogexes. 

 Chiogenes hispidula Creeping snowberry. 



ArCTOSTA PHY LOS. 



Arctostaphylos Uva-ursi . Bear berry. 



Gaultheria. 



Gaultheria procumben.s Creeping wintergreen. 



Cassandra. 

 Cassandra calyculata . . .« Leather leaf. 



Chimaphila. 



Chimaphila umbellata Princess pine. 



Chimaphila maculata Spotted wintergreen. 



MONESES. 



Moneses uniflora One-flowered pyrola. 



Pyrola. — Wintergreen. 



Pyrola rotundifolia Pyrola. 



Pyrola rotundifolia, var incarnata Pyrola. 



Pyrola rotundifolia, var asarilolia Pyrola. 



Pyrola elliptica Shin leaf. 



Pyrola chlorantha Pyrola. 



Pyrola secunda Pyrola. 



Pterospoea. 



Pterospora andromeda Pine-drops. 



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