50 CABYOPHYLLACE-E. (l'L\K FAMILY.) 



1. S. pubera, Miehx. Perennial; stems erect or diffuse, forking, hairy in 

 lines ; leaves oblong, acutish, narrowed at the base, sessile ; petals longer than 

 the sepals. — Shady roeks in the upper districts and northward. April and 

 May. — Stems 6' -12' high. Flowers showy. 



2. S. media, Smith. Annual; stems prostrate, forking, pubeseent in lines ; 

 leaves ovate or oblong, aeute, the lower ones petioled ; petals shorter than the 

 sepals. — Yards and gardens. March and April. Introduced. 



3. S. prostrata, Baldw. Smooth or nearly so ; stems forking, prostrate ; 

 leaves ovate, acute, all on slender petioles, the lower ones often cordate; petals 

 twice as long as the sepals ; seeds rough-edged. — Damp shades, Georgia, Flor- 

 ida, and westward. March and April. (£ — Stems l°-2° long. Petiole 



mostly longer than the limb. 



4. S. uniflora, Walt. Smooth; stems erect from a prostrate base ; leaves 

 remote, narrow-linear, sessile ; peduncles very long (2'-4ii^Crcct ; petals obcor- 

 date, twice as long as the calyx. — Kiver swamps, South Carolina and North 

 Carolina. May. ® 1 — Stems 6' -12' high. Leaves 1' long. — Perhaps a 

 species of Alsinc. 



13. CERASTIUM, L. Mouse-ear. 



Sepals 4-5. Petals 4 -5, obcordate or 2-cleft. Stamens 10. Styles 4-5. 

 Capsule cylindrical, 8 - 10-toothcd, many-seeded. — Herbs. Flowers white, soli- 

 tary or cymose, peduncled. 



* Petals not longer than the sepals. 



1. C. vulgatum, L. Villous and somewhat clammy ; stems ascending ; 

 leaves oval, remote, the lowest obovate ; cymes crowded in the bud, spreading in 

 fruit ; sepal-; lanceolate, acute, as long as the peduncles, and half as long as the 

 slender capsule. — Fields, Florida and northward. April and May. (T) — 

 Stems 6'- 12' high. 



2. C. viscosum, L. Hairy and clammy ; stems ascending ; leaves lance- 

 oblong, obtuse, the lowest wedgr-shaped ; cymes loose in the bud ; sepals oblong- 

 OVate, obtuse, shorter than the peduncles. — Fields, Florida and northward. 

 April and May. (Jj — Flowers and capsules larger than in No. 1. 



* * Petals longer than the sr/xils. 



.*?. C. arvense, L Hairyordowny; stems numerous, naked above ; leaves 



narrowly or broadly lanceolate; cymes rather feu -dowered j petals oheordaie, 



twice as long as the oblong Bepals. — Rocky or dry soil, chiefly in the upper 



districts, Maj and .June. 1\. —Stems B'- 12' high. Leaves seldom 1 long. 



Flowers \' wide. Capsule rather longer than the calyx. 



4. C. nutans, Etaf. Clammy-pubescent; stems toiled, farrowed ; leaves 



date ; cymes ample, many-flowered; petals oblong, emarginate, rather 



longer than the oblong -'pals. — Low grounds, North Carolina and Tennessee, 



and northward. G) — Stems 1° high. Peduncles long. Capsule curved, three 



times a- Ion- u the calyx. 



