ERICACEAE. 217 



aainate ; anthers smooth, one-third the length of the filaments. Andromeda, 

 easrulea Linn. Menziesia ccerulea Swartz. 



White Mountains, N. H. N. W. Coast and Labrador. July. An evergreen 

 shrub, resembling a heath in its foliage and flowers. Leaves one-third of an inch 

 long. Flowers large, purple, on long red peduncles. American Heath. 



8. KALMIA. Linn. American Laurel. 



(In honor of Peter Kalm, a Swedish botanist, who travelled in this country 

 about the middle of the last century.) 



Calyx 5-parted. Corolla salver-form; border on the under 

 side producing 10 cornute protuberances and as many cavities 

 in which the anthers are concealed. Stamens 10. Capsule 

 globose, 5 -celled, 5-valved, many-seeded. 



1. K. glauca Ait.: branches ancipital; leaves opposite, subsessile, ob- 

 long, smooth, glaucous beneath, revolute on the margin ; corymbs terminal, 

 bracteate ; peduncles and calyx very smooth. 



var. rosmarinifolia, Pursh. : leaves linear, conspicuously revolute, nearly 

 green beneath. 



Sphagnous swamps. Arct. Amer. to Penn. W. to Lake Superior. June, 

 July. YI . Stem 12 18 inches high, with opposite lanceolate leaves. Flowers 

 pale rose-color, in terminal corymbs or umbels. Var. rosmarinifolia is found in a 

 swamp two miles east of Albany, N. Y. Glaucous Kalmia. Swamp Laurel. 



2. K. angustifolia Linn. : branches terete ; leaves scattered or ternate, 

 petiolate, oval-oblong, obtuse, smooth, sometimes slightly ferruginous be- 

 neath ; corymbs lateral ; peduncles and calyx glandular-pubescent. 



Sandy woods. Can. to Car. W. to Ohio. June, July. \i-Stem 1218 

 inches high. Leaves on short petioles, somewhat glaucous beneath. Flowers 

 small, deep rose-color, in lateral corymbs, forming a kind of whorl around the 

 stem. Sheep Laurel. 



3. K. lalifoha Linn. : branches terete ; leaves on long petioles, scattered 

 and ternate, oval-lanceolate, acute at each end, geeen on both sides ; 

 corymbs terminal, viscidly pubescent. 



Hills and mountains. Can. to Car. W. to Ohio. June, July, Tj. Stem 

 4 10 feet high, with irregular branches. Leaves "2 3 inches long, thick and 

 coriaceous. Flowers rose-color, arranged in terminal spreading corymbs. Me 

 dicinal. Big. Med. Bot. i. 133. Mountain Laurel. Calico Bush. 



9. EPIGJEA. Linn. Ground Laurel. 



(From the Greek em, upon, and yn, the earth ; in allusion to its prostrate habit.) 

 Calyx deeply 5-parted, colored, with 3 bracts at the base. 

 Corolla salver-form ; the border 5-parted, spreading. Stamens 

 10. Capsule subglobose, depressed, 5-celled, surrounded by 

 the persistent calyx. 



E. repens Linn. : stem decumbent, creeping ; leaves cordate-ovate, pe- 

 tioled, very entire ; corolla hairy inside. 



Side hills, roots of trees, &c. Can. to Del. April. \i- A email trailing and 

 creeping evergreen. Stem and loaves hirsute with coarse hair> Ko^srs white 



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