CAUYOPHVLT-ACK.E. (fINK FAMILY.) 40 



1. A. squarrosa, Fcnzl. Stems tiifccd ; 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. (Arenaria squar- 

 rosa, .1//t7i.r.) — Dry sand-hills, West Florida and northward. April and May. 

 y. — Stems 6'- 10' high. Cymes few-flowered. Pedicels rigid. 



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

 tender, narrow-linear, obtuse, spreading ; cyme few-flowered, spreading ; sepals 

 oblong, oI)tusc, faintly 3-ribbed, as long as the capsule. (Arenaria glabra, Mic/ir.) 

 — Mountains of North Carolina. July. U ^ — Stems tufted, 4' - 6' liigh. Cymes 

 leafy. Pedicels setaceous. Leayes ^'- 1' long. 



3. A. patula, Gray. Minutely pubescent; stem filiform, difTuscly branched 

 from the base ; leaves narrow-linear, spreading ; cyme spreading, few - many- 

 flowered ; pedicels very slender ; petals spatulate, emarginate, twice tlie length 

 of the lanceolate acute 3-5-nerved sepals. (Arenaria patula, Michx.) — llocks 

 around Knoxvillo, Tennessee, and northward. — Stems 6' -10' high. 



4. A. Michauxii, Fenzl. Smooth; stems tufted, erect or difi^"ase, straight; 

 leaves linear-subulate, erect, spreading or recurved, much clustered in the axils ; 

 cymes spreading or contracted ; petals oblong-obovate, twice as long as the rigid 

 ovate acute .3-ribl)cd sepals. (Arenaria stricta, Michx.) — Rocks and bairen soil, 

 Georgia and northward. May and June. — Stems 3' - 10' high. 



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

 2-5-flowered; leaves minute (l"-2"), erect, lance-subulate; sepals oblong, 

 obtuse, as long as the capsule ; petals twice as long as the sepals (Arenaria 

 brevifolia, Nutt.) — Eocks in the upper districts of Georgia. (J) — Stems 2' -4' 

 long, beai'ing 3 or 4 pairs of leaves. Flowers small, on filiform peduncles. 



11. ARSNARIA, L. Sandwort. 

 Petals I-.*), or none. Styles 2-4. Capsule opening above by as many 

 valves as there are styles, each valve soon splitting into two pieces. Otherwise 

 like Alsine 



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

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

 flexed in fruit ; petals 1-5, shorter than the sepals, often wanting. (Stellaria 

 elongata, Nutt. Micropetalon lanuginosuin, Pers.) — Shady banks, Florida to 

 North Carolina and westward. May- October. % — Stems 1° - 4° long. 



2. A. serpyllifolia, L. Downy ; stems diffusely branched ; leaves small, 

 ovate, acute, the lowest narrowed into a petiole ; flowers cymose ; petals much 

 shorter than the lanceolate acuminate sepals. — Waste places, Florida and north- 

 ward. Introduced. April and M.iy. ® — Stems 6' - 12' long. Leaves i' long. 



12. STSLLARIA, L. Ciiickweed. Starwort. 



Sepals 4 - .«). Petals 4 - .5. 2-clcft, or 2-partcd. Stamens 3-10. S'yles 3-5, 

 opposite the sepals. Capsule 1 -celled, opening by twice as many valves as there 

 are styles, many-seeded. — Stems weak. Flowers white, on terminal peduncles, 

 becoming lateral in fruit. 



