CISTACE.E. (ROCK-ROSE FAMILY.) 37 



1. Placenta? fragile, separating from the partitions, and wrapped around the 



seeds. LECHEA. 

 * Leaves of the barren shoots oblony or oval. 



1. L. major, Michx. Stem l-2 high, 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, opposite 

 or whorled ; racemes leafy, 3 - 5-flowered ; outer sepals longer than the ovoid 

 capsule. Dry sandy 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 -G-tfoweivd ; outer sepals shorter than the oblong 

 capsule. South Carolina and westward. July. 



-t. 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, dicrcious, sepals equal; capsule 1 -seeded. 

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

 * * Leaves of the barren shoots linear. 



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

 spreading ; leaves linear ; racemes very 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, l\af. Canescent, l-li 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, Let/ytt.) South Florida. 



2. Placenta? jirm, scarcely recurred, adhering to the persistent partitions. 



LECHIDIUM. 



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. 



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

 pedicels longer than the flowers; calyx campauulate ; sepals acuminate. 

 Table Rock, North Carolina. 



