264 ERICACER. (HEATH FAMILY.) 
9. CLETHRA, L. 
Calyx 5-parted, imbricated in the bud. Corolla 5-petalous. Stamens 10: 
anthers obcordate, inverted in the bud, opening by terminal pores. Style slen- 
der, 3-cleft. Capsule 3-celled, 3-valved, many-seeded. — Shrubs or small trees, 
Leaves alternate, oblong or obovate, serrate, deciduous. Flowers white, in ter- 
minal racemes. Stamens and style exserted. 
1. C. alnifolia, L. Shrubby; branches and racemes tomentose; leaves 
short-petioled, obovate or wedge-oblong, acute, smooth on both sides; racemes 
simple or panicled ; style and filaments smooth ; bracts partly persistent. (C. 
paniculata, Pursh.) — Varies, with the leaves hoary beneath, rough above 
(C. tomentosa, Lam.), or on both sides (C. scabra, Pers.) ; style hairy; bracts 
caducous. — Swamps, Florida to Mississippi, and northward. July. — Shrub 
4°-8° high. Leaves 2’-3/ long. Flowers fragrant. 
2. C. acuminata, Michx. Arborescent; branches and racemes white- 
tomentose ; leaves thin, smooth, ovate or ovate-lanceolate, acuminate, on slender 
petioles ; racemes solitary ; style smooth ; filaments hairy. — Mountains of North 
Carolina. July and Aug.— Leaves 3/- 4’ long. Bracts caducous. 
10. KALMIA, L. Laveen. 
Calyx 5-parted. Corolla depressed-campanulate or rotate, 5-lobed, with 10 
cavities at the sides in which the anthers are lodged. Filaments elastic. Style 
single. Stigma capitate. Capsule globose, 5-celled, 5-valved, many-seeded. — 
Shrubs, with entire alternate opposite or whorled evergreen leaves, and showy 
white or rose-colored flowers. i 
* Flowers in corymbs. 
1. K. latifolia, L. (Caxico-nusn.) Branches smooth; leaves mostly 
alternate, petioled, elliptical, acute at each end, green on both sides; corymbs 
terminal, viscid; corolla large, varying from white to deep rose-color. — Shady 
banks, Florida, and northward. May and June. — Shrub 4°—10° high. Leaves 
shining. 
2. K. angustifolia, L. (SmrEP LAUREL.) Branches smooth; leaves 
petioled, opposite or three in a whorl, narrowly oblong, obtuse, pale or glaucous 
beneath; corymbs lateral, glandular; flowers small, deep rose-color. — Barren 
hills, chiefly in the upper districts. April and May. — Shrub 29-3? high. 
Leaves and flowers smaller than those of the preceding. 
3. K. cuneata, Michx. Branches pubescent; leaves sessile, alternate, 
wedge-oblong, pubescent beneath, bristle-pointed; corymbs lateral; flowers 
white. — Swamps, South and North Carolina, not common. — A small shrub. 
TUE p * * Flowers solitary, * : 
4. K. hirsuta, Walt. (Wickr.) Hirsute; stems low, very leafy ; leaves — 
small (}/ long), oblong or oval, mostly obtuse and alternate, the margins YO" — 
lute; calyx-lobes leafy; flowers numerous, approximate, pale or deep rose-color; fo: 
 Qi& June to Sept. — Shrub 6/— 18! high. 
