264 EKICACEiE. (lIKATH FAMILY.) 



9. CLETHRA, L. 



Calyx 5-partcd, imbricated in the bud. Corolla 5-petalous. Stamens 10: 

 anthers obcordatc, inverted in the bud, openin<j by terminal pores. Style slen- 

 der, 3-cleft. Cajisule 3-celled, 3-valved, many-seeded. — Shrubs or small trees. 

 Leaves alternate, oblong or obovatc, sciTate, deciduous. Flowers white, iu ter- 

 minal racemes. Stamens and style exsertcd. 



1. C. alnifolia,, L. Shrubby; branches and racemes tomcntose ; leaves 

 short-petioled, o!>ovate or wcdge-oblonjr, acute, smooth on both sides; racemes 

 simple or panicled ; style and filaments smooth ; bracts partly persistent. (C. 

 paniculata, Pursli.) — 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. Laurel. 



Calyx 5-partcd. Corolla dcpressed-campanulatc or rotate, 5-lo])ed, with 10 

 cavities at the sides in which tiie anthers are lodged. Filaments clastic. Style 

 single. Stigma capitate. Cajjsule globose, ."i-celled, 5-valved, many-seeded. — 

 Shrubs, with entire altemate opposite or whorled evergreen leaves, and showy 

 white or rose-colored flowers. 



* Flowers in con/ whs. 



1. K. latifolia, L. (Calico-bush.) Branches smooth; leaves mostly 

 altemate, 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°- IC li'gh- Leaves 

 shining. 



2. K. angUStifolia, L. (Sheep Laukel.) Branches smootli ; leaves 

 petioled, opposite or three in a whorl, narrowly oblong, obtuse, pale or glaacons 

 beneath; corymbs lateral, glandular; flowers small, deep rose-color. — Barren 

 hills, chiefly in the upper districts. April and May. — Shrub 2° -3° high. 

 Leaves atid flowers smaller than those of the preceding. 



3. K. cuneata, Michx. Branches pubescent ; leaves sessile, altemate, 

 wedgc-ol)long, pubescent beneath, bristle-pointed ; corymbs lateral ; flowers 

 white. — Swamps, South and North Carolina, not common. — A snmll shrub. 



* * Flowers solitan/, axillarij. 



4. K. hirsuta, Walt (Witky.) Hirsute; stems low, very leafy ; leaves 

 small (V liiii^'^), olilung or oval, mostly obtuse and alternate, the margins rcvO' 

 lute; calyx-lobcJi leafy; flowers numerous, n])proximatc, pah; or decj) rnsc-color; 

 pedicels slender, longer than tlu- leaves. — Flat pino barrens, Florida and Geor- 

 gia. June to Scj.t. — Slirul) C- 18' liigb. 



