CISTACE^. (rock-rose FAMILY.) 37 



§ 1. PlacenUe fragile, separating from the paiiitiuns, and ivrapped around the 



seeds. — Lechea. 



* Leaves of the barren shoots oblong or oval. 



1. L. major, Michx. Stem 1° - 2° higli, the branches and barren shoots 

 villous ; leaves oblong-lanceolate, the lower and those on the barren shoots op- 

 posite or whorled ; racemes short, closely 2 - 6-flowered, these longer than 

 their pedicels. — Dry light soil. Common. 



2. L. thymifolia, Michx. Stem l°-2° high, the erect branches very 

 numerous and leafy ; leaves lanceolate, of the barren shoots elliptical, ojjposite 

 or whorled ; racemes leafy, 3- 5-flov/ered; outer sepals longer than the ovoid 

 capsule. — Dry saiidy soil. July. 



3. L. racemulosa, Michx. Stem l°-2° high, the slender branches 

 spreading ; leaves alternate, linear ; of the barren shoots oblong ; racemes very 

 slender, partly bractless, 3 - 6-fiowered ; outer sepals shorter than the oblong 

 capsule. — South Carolina and westward. July. 



4. L. patula, Leggett. Stems 6' -12' high, widely branched; leaves 

 linear, 2" -3" long, of the ascending barren shoots oblong; racemes short, 

 2 - .5-flowered ; flowers very small, diojcious ; sepals equal ; capsule 1-seeded. — 

 Dry sandy pine barrens, Florida to South Carolina. August. 



* * Leaves of the ban-en shoots linear. 



5. L. tenuifolia, Michx. Stems clustered, 6' -12' high, the branches 

 spreading ; leaves linear ; racemes vei-y slender, 5 - 12-flowered ; pedicels erect, 

 shorter than the globular flowers ; outer sepals longer than the 1-nerved inner 

 ones; capsule globose. — Dry sandy soil. July- August. 



6. L. cinerea, Raf. Canescent, 1°-U° high, branching above ; leaves 

 erect, linear ; racemes loosely 3-5-flowered; sepals villous, the outer ones 

 shorter ; capsule 3-seeded. — Florida, near the coast, in damp soil. August. 



Var. Torreyi. Leaves and branches spreading or recurved; capsule 

 6-seeded. (L. Torreyi, Leggett.) — South Florida. 



§ 2. Placentce frm, scarcehj recurved, adhering to the persistent partitions. — 

 Lechidicm. 



7. L. Drummondii, Torr. & Gray. Stem branching at the base, 6' -8' 

 high ; leaves scattered, narrow-linear ; racemes loosely few-flowered, the 

 spreading or reflexed pedicels much longer than the flowers ; petals purple ; 

 stamens 10 or more; capsule globose. — Barrens of Tennessee, and west- 

 ward. 



3. HUDSONIA, L. 



Petals .5, larger than the sepals, fugacious. Stamens 9 -30. Style filiform. 

 Stigma minute. Capsule oblong, 1-celled, 3-valved, with 2-6 erect seeds at- 

 tached near their base. Embryo coiled. — Low tufted shrubs, with minute 

 hoary subulate imbricated leaves, and yellow flowers at the summit of the 

 branches. 



1. H. montana, Nutt. Stems 2' -4 high; leaves loosely imbricated; 

 pedicels longer than the flowers; calyx campanulate ; sepals acuminate. — 

 Table Rock, North Carolina. 



