42 CAHYnlMIYLLACK-K. (I'lNK FAMILY.) 



'2. S. prOCUmbenS, I^ stems |)ri>strate; leaves narrow-linear; pepalfl, 

 jielals, and stanuus 4; cajK-iuk' 4-valvcMl. — Wet bauksi, Nurtli C'aroliua 

 (Ili/tims), and uorthward. 



5. ALSINE, Timru. 



Se]ials 5. Petals 5. Stamens 10. Styles 3. Capsule 1 -celled, 3-valved, 

 the valves entire, opposite the iuner sejjals. — Low slender herbs, with linear 

 or subulate leaves, and wliite cymose or solitary Howcrs. 



1. A. squarrosa, Fenzl. Stein.s tufted; leaves 8ul)ulate, rifjid, those of 

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

 spreading tips ; sepals ovate, obtuse, shorter thau the capsule. — Dry santl- 

 hills iu the middle districts. April -May. "21 — Stems 6' -10' high. Cymes 

 few-Howcred. I'cdicels rigid. 



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

 leaves teuder, narrow-linear, oljtuse, spreading; cyme few-flowered, spread- 

 ing; sej)als oblong, obtuse, faintly 3-ribbed, as long as the capsule. — Moun- 

 tains of North Carolina. July. ^? — Stems tufted, 4'-G' high. Cymes 

 leafy. Pedicels setaceous. Leaves ^'- I' long. 



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

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

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

 rather acute. — High mountains of North Carolina. Sejjt. 



4. A. patula, Gray. Minutely pul)escent ; stem filiform, diffusely 

 branched from the base; leaves uarr(jw-linear, spreading; cyme spreading, 

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

 twice the length of the lanceolate acute 3 - .'i-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; loaves ]inear-sul)ulate, erect, spreading or recurved, much clustered 

 iu the axils; cymes spreading or contracted; petals oldong-ovate, twice as 

 long as the rigid ovate acute 3-ribbed sepals. (Areuaria stricta, J//c/(.r.) — 

 Rocks and barren soil, Georgia and North Carolina. ]\Iay-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' loug, bearing 3 or 4 pairs 

 of leaves. Flowers small, on filiform peduncles. 



6 ARENARIA, L. Sandwokt. 



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, Fll. Downy; stem elongated, prostrate, alternately 

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

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

 banks. May - Oct. IJ. — Stems 10-4° long. 



