i8o Heath (Ericdcece) 



A shrub four to seven feet high. " Few flowers have 

 been more valued and more frequently cultivated in Euro- 

 pean gardens than this." 



Var. glaucum (Pursh.), G., found from New England 

 to Virginia, has paler and sometimes rough-hairy leaves. 



Var.nilidiim(L3im.), G., found from the mountains of 

 New York to Virginia, is a dwarf form with reverse- 

 lanceolate leaves. 



Smooth Azalea. JR. arbor e'scens, Torr. 



Flowers, rose-color, very fragrant. Corolla, funnel-form, 

 with the tube longer than the lobes ; not at all or 

 very slightly sticky. Calyx, conspicuous, as much 

 as one sixth of an inch long, lobes oblong and acute. 

 The five stamens and the style much exserted. Scales 

 of the flower-buds large, yellowish-brown, and fringed. 

 Blossoms, appearing after the leaves. May, July. 



Leaves, very smooth on both sides, shiny above ; the 

 edges delicately bristle-fringed. Branchlets, smooth. 



Fruit, as above. 



Found, from the mountains of Pennsylvania to North 

 Carolina. 



A shrub ten to twenty feet high. 



Fig. 83. Purple Azalea. Pinxter-Flower. R. nudiflbrum 

 (L.), Torr 



Flowers, one and one half inches across, very variable in 

 color, white, pink, purple, buff, mottled ; usually 

 fragrant. Corolla, funnel-form. Tube (nearly one 

 inch long), scarcely longer than the large lobes ; 

 downy, slightly sticky. Calyx, small and hairy. 



