384 CARYOPHYLLACEAE (PINK FAMILY) 



reduced or wanting) a little longer than the calyx ; pods nodding on the stalks, 

 curved upward, nearly or quite thrice the length of the calyx. (C. longe pedun- 

 culatum iMuhl., as nomcn submidum.) — Moist rich soil, "N. S."; and Vt. to 

 Athabasca, southw. and westw. May-July. 



7. H0L6STEUM [Dill] L. Jagged Chickweed 



Sepals 5. Petals 5, usually jagged or denticulate at the point. Stamens 3-5, 

 rarely 10. Styles mostly 3. Pod ovoid, 1-celled, many-seeded, opening at the 

 top by 6 teeth. Seeds rough, flattened on the back, attached by the inner face. 

 — Annuals or biennials, with several (white) flowers in an umbel borne on a 

 long terminal peduncle. (Name from oXdareov, a word used by Dioscorides for 

 some unknown plant.) 



1. H. umbellXtum L. Leaves oblong ; peduncle and upper part of the stem 

 glandular-pubescent ; pedicels reflexed after flowering. — Roadsides, fields, etc., 

 N. J. and Pa. to Ga. Apr., May. (Nat. from Eu.) 



8. AGROSTEMMA L. Corn Cockle 



Calyx ovoid, with 10 strong ribs ; the elongated teeth (in ours 2-3 cm. long) 

 exceeding the 5 large unappendaged petals. Stamens 10. Capsule l-celled 

 Leaves linear. — Tall silky annual or biennial. (Name from dypos, field, and 

 a-T^fjLfxa, crown.) 



1. A. GithIgo L. Flowers 2.5-4 cm. in diameter ; petals purplish-red, paler 

 tow^ard the claw and spotted with black. {Lychnis Scop. ) — Grainfields, and 

 less frequently by roadsides. (Inirod. from Eu.) — Seeds poisonous. 



9. LYCHNIS [Tourn.] L. Campion 



Styles 5, rarely 4, and pod opening by as many or twice as many teeth ; 

 otherwise nearly as in Silene. (Ancient Greek name for a scarlet or flame- 

 colored species, from Xux^s, a light or lamp.) 



* Calyx-teeth twisted; petals large; plant white-woolly. 



1. L. coronIria (L.) Desr. (Mullein Pink.) Stem 4-9 dm. high ; leaves 

 oval or oblong ; petals crimson. — Showy plant, often cultivated and now locally 

 estabMshed, Me. to N. Y. and Mich. (Introd. from Eu.) 



* * Calyx-teeth not twisted; petals showy, much exserted; plant green. 



•i- Flowers perfect. 



2. L. FLOS-ctjcuLi L. (Ragged Robin.) Perennial, erect, slightly downy 

 below, viscid above ; leaves narrowly lanceolate ; flowers in loose panicles ; calyx 

 short, glabrous; petals red, A-lobed, lobes linear. —Moist or marshy places, 

 and in waste land, N. B. to N. J. and Pa. — Often cultivated. (Introd. from Eu.) 



3. L. chalcedonica L. (Scarlet Lychnis.) Stout erect perennial with 

 ovate leaves and hemispherical chisters of scarlet flowers; petals bifid. — Culti- 

 vated, and locally escaped in the Northern States. (Introd. from Japan.) 



4- •»- Flowers dioecious or polygamous. 



4. L. dioica L. (Red C.) Leaves ovate to lance-oblong ; flowers red to 

 rarely white, inodorous, diurnal; calyx-teeth triangular-lanceolate, acute; 

 capsule globose with a wide mouth at dehiscence. (L. diurna Sibth.)— Waste 

 grounds and roadsides, common, especially eastw. (Adv. from Eurasia.) 



4. 5. L. Alba Mill. (White C.) Similiar in foliage; flowers white or pink, 

 fragrant, opening in the evening; calyx-teeth lon^ar, attenuate; capsule ovoid^ 

 conical, narrow-mouthed at dehiscence. {L. vespertina Sibth.) — Same situ- 

 ations, but less counnon. (Adv. from Old World. ) — Resembles Silene noctiflqra 

 but has 5 styles. 



