466 THE PLANT LIFE OF MARYLAND 



Chimaphila umbellata (L.) Nutt. Pipsissewa. 



Throughout the state; in dry forests; common. 



MONOTROPACEAE. 



Monotropsis odorata Ell. Sweet Pine-sap, Schweinitzia. 



Anne Arundel County, near Annapolis (Lawrence G. Painter) ; Baltimore 

 County, near Towson (Forrest Shreve). 



Monotropa uniflora L. Indian Pipe. 



Throughout the state; in moist and dry forests; common. 



Hypopitys hypopitys (L.) Small. Pine-sap. 



Throughout the state; in moist forests, particularly of the Midland 

 Zone; frequent. 



ERICACEAE. 



Azalea nudiflora L. Wild Azalea, Wild Honeysuckle. 



Throughout the state; in moist forests, being most frequent in the 



Coastal Zone and Lower Midland District. 

 Montgomery County, Great Falls (1379). 



Azalea lutea L. Flame Azalea. 



Mountain Zone; in dry forests; rare. 



Azalea viscosa L. White Azalea. 



Throughout the state; in swamps and moist forests; frequent. 

 Dorchester County, Castle Haven (1595). 



Azalea viscosa var. glauca Michx. 



Queen Anne's County, near Schenk Corners (16S5); Montgomery 

 County, near Rockville (Joseph H. Painter) ; Baltimore County, near 

 Towson (Robert K. Miller). 



Rhododendron maximum L. 



Upper Midland District and Mountain Zone, and on Egg Hill, Cecil 



County; common on rocky slopes, along the borders of mountain 



streams and in the swamps of the Mountain Zone. 

 Garrett County, near Finzel (962). 



Menziesia pilosa (Michx.) Pers. Menziesia, 



Mountain Zone; on rocky slopes; infrequent. 

 Garrett County, Swanton (492). 



Chamaedaphne calyculata (L.) Moench. Leather-leaf. 



Coastal Zone. 



Kalmia angustifolia L. Sheep Laurel, Wicky. 



Western Shore District of the Midland Zone; in dry thickets; infre- 

 quent. 

 Anne Arundel County, Glenburnie (268). 



