CARYOPHYLLACE.E. (PINK FAMILY.) 41 



cymes dense-flowered ; calyx club-shaped, erect ; petals white or rose-color, 

 obovate, emargiuate or entire. — Rocky hills, chiefly in the upper districts. 

 March -April. — Stems 6' - 12' high. 



8. S. nivea, DC. Glabrous or nearly so; stem slender, 2° -3° high; 

 leaves distant, lanceolate, acuminate, nearly .sessile, 2' - 4' long; cymes few- 

 flowered ; calyx cylindrical, at leugth inflated ; flowers white. — Mountains 

 of East Tennessee, and westward. July. 



* * Annuals : flowers small, crowned, expanding at night. 



9. S. Antirrhina, L. Stem slender, smoothisli, clammy below the 

 upper joints ; leaves linear, acute, sessile, the lowest lanceolate, narrowed into 

 a petiole ; flowers panicled ; calyx smooth ; petals obcordate, rose-colored. — 

 Dry old fields. May -June. — Stems 6' - 2° high, simple or branched. 



10. S. quinquevulnera, L. .Hairy; stem branching ; leaves spatulate, 

 the upper ones linear ; flowers in 1-sided racemes ; calyx hairy ; petals 

 rounded, entire, pink or crimson with a paler border. — Near Charleston. 

 Naturalized. — Stem 1° high. 



2. SAPONARIA, L. Soapavort. 



Calyx tubular, terete, 5-toothed. Petals long-clawed. Stamens 10. Styles 

 2. Capsule sessile or short-stiped, l-ceUed, or 2-celled at the base, 4-toothed 

 at the apex. — Cymes dense-flowered. 



1. S. officinalis, L. Perennial; stems stout, erect, smooth; leaves 

 ovate, connate, strongly 3-ribbed ; petals crowned, white or rose-color, mostly 

 double. — Waste places. Naturalized. — Stems 1 ° - 2° high. 



3. AGROSTEMMA, L. Corn-Cockle. 



Calyx tubular, with 5 elongated linear deciduous lobes. Petals 5, entire, 

 crownless. Stamens 10. Styles 5. Capsule 1-celled. 5-toothed. — Annual 

 or biennial pubescent herbs, with linear leaves, and showy purple flowers on 

 elongated peduncles. 



I. A. GithagO, L. Plant (1°- 2° high) whitened with long appres-sed 

 hairs ; stem forking ; petals obovate, emargiuate, shorter than the lobes of 

 the calyx. — Grain fields. Introduced. Juue-July. (l) — Peduncles 4' -6' 

 long. Flowers 1' wide. 



4. SAGINA. L. 



Sepals 4-5. Petals 4-5, entire, or wanting. Stamens 4-10. Styles 

 4-5, alternate with the sepals. Cap.sule 4-5-valved; the valves entire, 

 opposite the sepals. — Small herbs, with filiform forking stems, subulate 

 leaves, and solitary flowers. 



1. S. decumbens, Torr. & Gray. Smooth or nearly so; .stems erect 

 or ascending, tufted; peduncles erect; petals and sepals 5, equal, obtuse; 

 stamens 10. — Damp cultivated ground, common. April -June. — Stems 

 2' - 6 ' high. Peduncles 2-3 times as long as the sharj^-pointed leaves. 



