440 ERICACE^. Rhododendron. 



$ 3. Rhodora, D. Don. Limb of the calyx minute, 5-toothed. Corolla bilabiate ; the upper lip 

 broader, 2 - 3-parted ; lower lip 2-parted. Stamens 10. — Leaves deciduous. 



6. Rhododendron Rhodora, G. Don. Rhodora. 



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

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

 Canadensis,' Lfww. ; Michx. Jl. 1. p. 259; Lam. ill. t. 364; Bot. mag. t. 474; Pursh, fl, 1. 

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

 p. 719. 



A shrub about Ijiro 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. Linn. ; Lam. Ul. t. 363 ; Endl. gen. 4339. AMERICAN LAUREL. 



[ In honoi of Peter Kalm, a Swedish botanist ajid pupil of Linnieus, who travelled in Korth 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 th^ ^|thers are lodged. Stamens 

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

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

 and nearly evergreen entire leaves. Flowersin terminal corymbs, or rarely on solitary and 

 axillary peduncles. 



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



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

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

 t. 175; Michx. fl. 1. p. 258, and f. sylv. 1. t. 68; Pursh, fl. 1. p. 296; Bigel. med. hot. 

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

 lingt. fl. 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 



