DECANDRIA MONOGYNIA. 363 



tire, sprinkled with resinous atoms beneath ; racemes lateral, secund, 

 bracteate ; corolla ovate-conic, pentangular. 



HAB. Woods and hills. May June. Shrub 2 feet high ; Jl. red- 

 dish ; her. black, shining. 



V. corymbosum . floriferous branches nearly leafless; leaves oblong- 

 oval, acute at each extremity, nearly entire ; the younger ones pu- 

 bescent ; racemes short, sessile, bracteate ; corolla cylindrical ovate. 



HAB. Low grounds. May June. Shrub 4 8 feet high ; Jl.. white 

 or purplish ; ber. black. 



V. pennsylvanicum : branches angular, green, sessile, oval-lanceolate, 

 mucronate, serrulate, shining on both surfaces ; fascicles of flowers 

 crowded, subterminal, corolla ovate. 



HAB. Rocky hills. May June. Shrub 12 18 in. high; bark and 

 Jl. greenish ; ber. dark blue. 



V. tenellum: racemes bracteate, sessile; corolla ovate-cylindrical; 

 leaves oblong-elliptic, subcuneiform, serrulate, nearly smooth. 



HAB. Mountains. April. 



196. ANDROMEDA. 



* Leaves sempervirent. 



A. poli folia : leaves linear-lanceolate, convex ; revolute, glaucous be- 

 neath ; flowers in short terminal racemes. 



HAB. Sphagnous swamps. Apr. May. Shrub 18 in. high ; Jl. 

 wh. urceol., mouth contr. . 



A. calyculata : leaves lanceolate-oblong, rather obtuse, obsoletely serru- 

 late, ferruginous beneath ; racemes terminal, leafy, subsecund ; calyx 

 bibracteate ; corolla oblong-cylindrical. 



HAB. Bog-meadows. Apr. May. Shrub 3 4 feet high; leaves 

 squamulose-punct. ; Jl. wh. 



* Leaves deciduous. 



A. racemosa : leaves oval-lanceolate, acute, serrulate, membranaceous, 

 pubescent beneath; racemes terminal, secund, simple, (or rarely 

 branched ;) corolla oblong-cylindrical ; anthers 4-awned at the sum- 

 mit. 



HAB. Swamps. June July. Shrub 4 6 feet high; racem. long ; 

 Jl. nod. ; wh. odorous. 



A. ligustrina : pubescent; leaves obovate-lanceolate, acuminate, mi- 

 nutely serrulate, floriferous branches terminal, paniculate, naked; 

 corolla subglobose ; anthers unawned. 



HAB. Swamps. June July. Shrub 4 8 feet high ; pan. dense 

 Jl. small, wh. ; cap. glob. 



197. KALMIA. American Laurel. 



K. latifolia : leaves on long petioles, scattered and ternate, coriaceous, 

 green on both sides ; corymbs terminal, viscidly pubescent. 



HAB. Rocky hills. June July. Shrub 4 15 feet high ; leav. sem- 

 perv. ; Jl. large, rose-col. 



K. angustifolia : leaves ternate, petiolate, obtuse, slightly ferrugin- 

 ous beneath ; corymbs linear ; peduncles and calyx glandular-pubes- 



32' 



