DESCRIPTION OF MEDICINAL PLANTS. 
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Xalmia latifolia, L. Laurel. Calico-bush. Widely branch- 
ing evergreen shrub, 3-10, or in the South Alleghanies even 
30° high, with very hard wood ; leaves alternate or occasion- 
ally somewhat in pairs or threes, oblong or eliptical-lanceolate, 
acute or acutish at both ends, petioled, bright green ; inflores- 
cence viscid pubescent; flowers produced in early summer; 
the corymbose fascicles numerous and crowded in compound 
terminal corymbs. Corolla crateriform or saucer-shaped, with 
a short, narrow tube, 5-lobed, 10-saccate below the limb. 
Stamens 10; the short anthers lodged in the sacs of the 
corolla in the bud, so that the filaments are recurved when 
this expands. Capsule tardily septicidal. On siliceous or 
argillaceous rocks or soils, descending from mountain heights 
to the hills and ravines of the whole State. FI. May- June. 
Fatal to sheep and cattle when browsing on it. The leaves 
are used. 
Rhododendron maximum, L. Great Laurel or Rose Bay. 
Stout shrub or small tree 6-35° high; leaves elongated or 
lanceolate-oblong, acute or short-pointed, narrowed toward 
the mostly acute base, 4-10' long, commonly whitish be- 
neath ; pedicles viscid ; calyx-lobes oval, equalling the 
glandular ovary ; corolla mostly 5-lobed and little irregular, 
pale rose-color or nearly white, greenish in the throat on 
upper side, and with some yellowish or reddish spots, cam- 
panulate, an inch long, rather deeply 5-cleft into oval lobes. 
Capsule short. It is an evergreen with large coriaceous 
foliage and magnificent flowers greatly beautifying and dis- 
tinguishing mountain scenery. FI. July. The leaves are 
used. 
Chimaphila umbellata, Nutt. Prince’s Pine. Pipsissewa. Low 
perennial with running lignescent stolons, thick and shining 
leaves in irregular clusters or whorls, often branched, leaves 
cuneate-lanceolate, with tapering base, sharply serrate, not 
spotted. Peduncle 4-7 flowered, bracts narrow, deciduous. 
Calyx 5-parted. Cells of the anther oblong, with a short 
narrow neck under the orifice, imperfectly 2-locellate. Dry 
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