40 DICOTYLEDONOUS. M 



oval, obtuse, membranaceously margined, nerveless. Pe/aZs obovate-oUong . 1 

 twice the length of the sepals. 



White. 0. June — July. Mountains. 4-6 inches. 



Genus III. STELLARIA. 



Sepals 5, expanding, somewhat united at the base. Petals 

 5, two parted, often perigynous. Stamens 10, or fewer b}^ 

 suppre.ssion. Pistils 3 or rarely 4. Capsules 3-vaived, 

 1 -celled, many seeded. Chickweed, 



1. S. Media. S/em procumbent, with an alternate pubescent Hne. Leaves 

 ovate, glabrous. Flowers terminal or axillary, Sepals hairy. Fetal oblong, 

 deeply divided, hypogynous. Stamens 3--10. Fisiils 3, 



White. #. March— Oct. Common- 4-8 inches. 



2. S. Prostrata. Stem procumbent, slightly channelled, fistulous, slight- 

 ly pubescent. Leaves ovate, or cordate, acute, smooth, the lower ones on 

 slender, ciliate petioles. Flowers solhary. SepaZs erect ovate. Pe/a/s deep- 

 ly divided, segments linear. Stamens usually 7. 



White, (v). JMar^ih— April. Florida. 1- 4 feet long. 



3. S. PuBERA. Sterns decumbent, with two opposite pubescent Unes. 

 Leaves sessile, ovate, ciliate. Flowers axillary, solitary. Sepals with mem- 

 branaceous margin. Petals deeply divided, longer than the sepals. Sta- 

 mens 10. Pistib 3. 



White. May. In rich soils. 6-12 inches. 



4. S. Uniflora. {Arenaria Glabra of Ell.) Stem branching, glabrous, 

 erect, slender. Leaves subulate, acute, slightly connate. Flowers on filiform, 

 axillary peduncles. Sepals oblong, persistent. Petals ob-cordate, emargi- 

 nate, twice the length of the sepals. 



White. #. May. In the low country, swamps. 10-12 inches. 



5. S. Lanuginosa. cArenaria Diffusa of Ell.) Stem branching, diffuse, 

 decumbent. Leaves oblong-lanceolate, acute, alternate at the base. Flow, 

 ers on solitary, axillary, 1-flowered peduncles. Sepals ovate, acute, persiS' 

 tent. Petals oval very small, or entirely wanting. 



White. <v). April— June. Damp soils. 2-3 feet long, supporting it- 

 self on small plants. 

 I' 



Genus IV. CERASTIUM. 



Sepals 5, somewhat united at the base. Petals 5, 2-cleft, 

 or emarginate. Stamens 10, seldom a less number. Pistils 

 5. Capsules 1-celled, S-valved, dehiscing at the apex, prod.u- 

 cing 10, rarely 5 teeth, many seeded. Chickweed, 



1. G. VuLGATUM, C. HiRSUTUM OF Ell. Stem procumbent, branching, 

 fistulous, hirsute. Leaves ovate or obovate, obtuse, connate. Flowers in 

 dichotomous panicles with a flower in each division. Sepals persistent, with 

 membranaceous margin. Petals oblong, expanding, double the length of the 

 sepals. Stamens unequal. Styles short. Stigmas glandular. 



White. ^. April— Sept. Very common. 6--12 inches. 



2. C. ViscosuM. Stem hirsute and viscid, diffuse. Leaves lanceolate-ob- 

 long, obtuse. Flowers in a loose cyme. Petals obovate, scarcely longer 

 than the calyx. Capsule nearly twice as long as the calyx- 



WJiite. %. May— Sept. Old pastures, common. 



3. C. Arvense. Stems declined at the base, retrorsely pubescent. Leaves 

 hnearor hnear-lanceolafe, acute. Flowers kw on an elongated peduncle. 

 Sepals obtuse half the length of the petals. Petals ob-cordate. 



White. %. May— July. Rocky places. 2- 8 inches. 



