178 Heath (Ericacece) 



Leaves, about one inch long, varying in width from 

 scarcely one eighth to one half an inch, opposite, and 

 often in threes, entire, with edge rolled back, nearly 

 stemless. Branchlets, distinctly two-edged by ridges 

 which extend from the bases of each pair of leaves 

 to the pair below. 



Fruit, somewhat egg-shape, smooth. 



Found, mostly in swampy land from Kentucky and 

 Pennsylvania far northward. 



A straggling shrub, one to two feet high. 

 (7) Genus MENZIESIA, Smith. 



Flowers, greenish-white or purplish, small, nodding in 

 terminal clusters. Corolla, four-lobed. Stamens, 

 eight. Seed-case, not adherent. 



Leaves, alternate, reverse egg-shape. Branchlets, strag- 

 gling, usually hairy and rusty. 



Fruit, egg-shape, four-celled, many-seeded. A capsule. 



The genus is represented by two species : 



M. globella, Gray, found from Minnesota Point, Lake 

 Superior northwestward ; and 



M. globuforis, Salisb., found in the Alleghany Moun- 

 tains from Pennsylvania southward. 



(8) Genus RHODODENDRON, L. (Azaleas, etc.) 



From a Greek word meaning " Rose-tree." 



Flowers, showy, in terminal clusters. Corolla, deeply five- 

 lobed (in R. Rhodbra two petals are wholly separate) ; 

 often slightly irregular (or in R. Rhodbravery irregu- 



