374 LXXV1II. ERICACEAE. AZALEA. 



form, tube villous within, limb 5-parted, spreading; stamens 10; 

 anthers dehiscent by 2 longitudinal openings ; capsule 5-celled. 5- 

 valved. Suffruticose. trailing. Lvs. evergreen. 



E. REPEXS. Trailing Arbutus. May Flower. 



I/vs. cordate-ovate, entire ; cor. tube cylindrical. 7J. "Woods, Newfound- 

 land to Ky. and Penn. This little shrubby plant grows flat upon the ground, 

 10 15' in length, covered with a hairy pubescence in all its parts. ' Leaves 

 alternate, 2 2$' by 1J', roundish at the end and abruptly tipped with a very 

 short point. Flowers very fragrant, white or tinged with various shades of red, 

 in small clusters on short stalks. Calyx green-, supported by 3 large bracts at 

 base. Tube of the corolla hairy within, longer than the calyx, the border in 5 5 

 rounded, spreading segments. Apr. May. 



10. KALMIA. 



Named by Linnaeus in honor of Peter Kalm, prof at Abo, Finland. 



Calyx 5-parted; corolla with 10 prominences beneath and 10 cor- 

 responding cavities within, including the 10 anthers; border 5 -lobed ; 

 filam. elastic ; capsule 5-celled, many-seeded. Beautiful shrubs, no,' 

 tives of N. America. Lvs. entire, ever green, coriaceous. Fls. in racemose 

 corymbs, white and red. 



1. K. LATIFOLIA. Mountain Laurel. Calico Bush. 



Lvs. alternate and ternate, oval-lanceolate, acute at each end, smooth and 

 green on both sides; corymbs terminal, viscidly pubescent. One of our most 

 beautiful shrubs, sometimes attaining the height of a small tree. It is found in 

 all the Atlantic States from Maine to Georgia, and W. to Ohio and Ky. in 

 woods. The wood is usually very crooked, fine-grained and compact. The 

 leaves are 2 3' long, smooth and shining, acute at each end and entire. Flow- 

 ers in splendid corymbs, white or variously tinged with red, abundant. The 

 corolla has a short tube with a spreading limb 910" diam. and a 5-lobed mar- 

 gin. Leaves narcotic, and poisonous to some animals. May, June. 



2. K. ANGUSTJFOUA. Narrmv-leaved Laurel. Sheep-poison. 



Lvs. ternate and opposite, elliptic-lanceolate, obtuse at each end, smooth ; 

 corymbs lateral ; bracts linear-lanceolate. A beautiful little shrub, smaller than 

 the" foregoing, 2 4f in height, in marshes and by ponds, Can. to Car. W. to 

 Ky. The leaves are acutely and narrowly elliptic, with rounded ends, entire, 

 smooth, 1 2' long and as wide, on short petioles. The flowers are of a deep 

 purple, growing in small, axillary fascicles and apparently whorled among the 

 leaves, in structure resembling those of the last species, but about half as large. 

 Bracts minute, about 3 at the base of each pedicel. This is also said to be poi- 

 sonous to cattle. June. 



3. K. GLAUCA. Glaucous Kalmia. Swamp Laurel. 



Branches ancipitous; Ivs. opposite, subsessile, lanceolate, polished, glau- 

 cous beneath, revolu'e at the margin ; conjmbs terminal, the peduncles and bracts 

 smooth. A delicate shrub, 2f high, found in swamps, &c., Penn., Ky., N. Eng. 

 N. to Arc. Am. Stem slender, the branches rendered distinctly 2-edged'by an 

 elevated ridge extending from the base of each opposite leaf to the next node 

 below. Leaves smooth and shining, white underneath, about an inch in length. 

 Flowers 8 10 in each corymb. Corolla about ' diarn., pale purple. Calyx 

 red, as is also the very slender peduncle. At the base of each peduncle is a pail 

 of concave, obtuse bracts. June. 



B. rosmarinifplia. Leaves linear, more revolute, green beneath. 



11. AZALEA. 



Calyx 5-parted, lobes equal ; cor. subcamparmlafce, 5-parted, regu- 

 lar ; sta. equal, erect, shorter than the corolla ; anth. dehiscing late- 

 rally from the apex; ovary roundish ; sty. straight, included; cap 

 sale 2 3-celled, 2 3-valved, many-seeded. A little branching, pro 



