42 CAKYOPHYLLACE^:. (PINK FAMILY.) 



2. S. prOCUmbens, L. Stems prostrate; leaves narrow-linear; sepals, 

 petals, and stamens 4 ; capsule 4-valved. Wet banks, North Carolina 

 (Hi/a ins), and northward. 



5. ALSINE, Tourn. 



Sep<als 5. Petals 5. Stamens 10. Styles 3. Capsule 1-celled, 3-valver.l, 

 the valves entire, opposite the inner sepals Low slender herbs, with linear 

 or subulate leaves, and white cymose or solitary flowers. 



1. A. squarrosa, Fenzl. Stems tufted; leaves subulate, rigid, those of 

 the glandular flowering stems distant, of the sterile stems imbricated, with 

 spreading tips ; sepals ovate, obtuse, shorter than the capsule. Dry sand- 

 hills in the middle districts. April- May. 11 Stems 6' - 10' high. Cymes 

 few-flowered. Pedicels rigid. 



2. A. glabra, Gray. Smooth ; steins filiform, sparingly branched ; 

 leaves tender, narrow-linear, obtuse, spreading; cyme few-flowered, spread- 

 ing; sepals oblong, obtuse, faintly 3-ribbed, as long as the capsule. Moun- 

 tains of North Carolina. July. 2/ ? Stems tufted, 4' -6' high. Cymes 

 leafv. Pedicels setaceous. Leaves %' V lung. 



3. A. Grcenlandica, Gray. Very near the preceding ; stems lower 

 (2' -5' high), mostly simple; cymes less spreading, with fewer and larger 

 flowers ; petals wedge-obovate, fully twice as long as the sepals ; capsules 

 rather acute. High mountains of North Carolina. Sept. 



4. A. patula, Gray. Minutely pubescent ; stem filiform, diffusely 

 branched from the base ; leaves narrow-linear, spreading ; cyme spreading, 

 few - many-flowered ; pedicels very slender ; petals spatulate, emarginate, 

 twice the length of the lanceolate acute 3 - 5-uerved sepals. Rocky woods, 

 Tennessee and westward, and sparingly along the coast of Florida and Ala- 

 bama. Stems 6' -10' high. 



5. A. Michauxii, Fenzl. Smooth ; stems tufted, erect or diffuse, 

 straight ; leaves linear-subulate, erect, spreading or recurved, much clustered 

 in the axils ; cymes spreading or contracted ; petals oblong-ovate, twice as 

 long as the rigid ovate acute 3-ribbed sepals. (Arenaria stricta, Miclix.) 

 Rocks and barren soil, Georgia and North Carolina. May -June. Stems 

 3' -10' high. 



6. A. brevifolia. Stems smooth, not tufted, erect, filiform, simple, 2-5- 

 flowered ; leaves minute (l"-2"), erect, lance-subulate; sepals oblong, ob- 

 tuse, as long as the capsule ; petals twice as long as the sepals. Rocks in 

 the upper districts of Georgia. (T) Stems 2' -4' long, bearing 3 or 4 pairs 

 of leaves. Flowers small, on filiform peduncles. 



6 ARENAKIA, L. SANDWORT. 



Petals 1-5, or none. Styles 2-4. Capsule opening above by as many 

 valves as there are styles, each valve soon 2-cleft. Otherwise like Alsine. 



1. A. diffusa, Ell. Downy; stem elongated, prostrate, alternately 

 short-branched ; leaves lanceolate ; peduncles longer than the leaves, lateral, 

 reflexed in fruit ; petals 1 - 5, shorter than the sepals, often wanting. Shady 

 banks. May - Oct. % Stems 1 - 4 long. 



