440 ERICACEiE. Rhododendron. 



& 3. Rkodora, D. Don. Limb of the cahjx minute, 5-toothcd. Corolla bilabiate ; the upper lip 

 broader, 2 - 3-partcd ; lower lip 2-parted. Stamens \0. — Leaves deciduous. 



G. RiioDODENDRO.x Rhodora, G. Doh. Rhodora. 



Leaves oval, nearly smooth above, pubescent and glaucous underneath ; flowery in terminal 

 corynibose fascicles, appearing before the leaves. — G. Don, gen. syst. 3. p. 848. Rhodora 

 Canadensis, Linn. ; Michx. Jl. \. p. 259 ; Lam. ill. t. 364 ; Bot. mag. t. 474 ; Pursh,fl. 1, 

 p. 298; Bigel. fl. Bost. p. 172; Tarr. Jl. 1. p. 427 ; Beck, bot. p. 220 ; DC.prodr.7. 

 p. 719. 



A shrub about two feet high, with erect branches. Leaves membranaceous, softly pubescent 

 and whitish underneath. Flowers about five in a cluster, on short pedicels. Corolla bright 

 purple ; the upper lip unequally 2 - 3-lobed, the lower divided into two equal obtuse lobes. 

 Stamens about as long as the corolla : filaments slightly hairy at the base : anthers oblong. 

 Style longer than the stamens. Capsule oblong, pubescent. Seed oblong, with a distinct 

 winged border. 



Mountain bogs. I am not quite certain that I have received specimens of this plant from 

 within the limits of the State ; but it doubtless grows in some of the northern counties. 



7. KALMIA. Linut; Lam. ill. t. 363 ; Endl. gen. 4339. AMERICAN LAUREL. 



[ In honor of Peter Kalm, a Swedbh botanist and pupil of Linnsus, who travelled in North America about the middle 



of the last century.] 



Calyx 5-parted. Corolla somewhat salver-form or rotate ; the border 5-lobed, with ten 



protuberances on the underside, in the cavities of which the anthers are lodged. Stamens 



10 : anthers opening by two large oblique pores. Style longer than the stamens : stigma 



capitate. Capsule globose. Seeds numerous, Unear or oblong. — Shrubs, with coriaceous 



and nearly evergreen entire leaves. Flowers in terminal corymbs, or rarely on sohtary and 



axillary peduncles. 



1. Kalmia latifolia, Linn. Laurel. Calico-hush. 



Branches terete ; leaves on long petioles, scattered, ternate-elliptical, acute at each end, 

 green on both sides ; corymbs terminal, viscidly pubescent. — Linn. sp. l.p. 391 ; Bot. mag. 

 t. 175 ; Michx. Jl. 1. p. 258, and f. sylv. 1. ^ 68 ; Pursh, Jl. I. p. 296 ; Bigel. med. bot. 

 t. 13, and Jl. Bost. p. 168 ; Ell. sk. 1. p. 481 ; Torr. fl. 1. p.22; Beck, bot. p. 219 ; Dar- 

 lingt. Jl. Cest. p. 261 ; DC. prodr. 7. p. 729. 



A shrub 4-10 feet high (sometimes 18-20, Michx.), with crooked irregular branches. 

 Leaves 2-3 inches long, coriaceous, very smooth and shining, alternate opposite and ternately 

 disposed on the same plant, evergreen. Flowers in simple or terminal corymbs ; the pedicels 

 about an inch long. Calyx glandularly viscid like the pedicels ; the segments oblong and 



