63 
CARYOPHYLLACEjE. (pink family.) 
posite them. Pod usually elongated, opening at the apex by 
twice as many teeth as styles, many-seeded. — Flowers white, in 
terminal cymes. (Name from k epas, a horn, alluding to the shape 
of the pods.) 
* Petals about the length of the calyx : pods long and curved. 
1. C. vulgatum, L. (Mouse-ear Chickweed.) Very 
hairy, seldom clammy, pale, in tufts; leaves obovate ; sepals lanceo¬ 
late, acute, in fruit as long as the peduncles. — Waste places; intro¬ 
duced, not so common as the next in the North. May-Sept.— 
Biennial or perennial ? Flowers small, at first in close clusters. 
2. O* viscdsum, L. (Larger Mouse-ear Chickweed.) 
Pubescent with somewhat clammy hairs; stems spreading; leaves 
lanceolate-oblong or oblong-ovate ; sepals oblong-ovate, obtuse , in fruit 
shorter than the peduncles . — Dry fields and woods, possibly native, 
as well as introduced. May-Aug. — Biennial? Taller, more dif¬ 
fuse, and greener than No. 1, with longer leaves and looser as well 
as larger flowers. Stamens sometimes but 5, when it is probably the 
C. semideedndrum of American authors. 
* * Petals longer than the calyx. 
3. C. nutans, Raf. (Clammy Wild Chickweed.) Pubes¬ 
cent with glutinous hairs; stems erect, slender, grooved, diffusely 
branched, divaricately many-flowered ; leaves oblong-lanceolate , acute, 
the lowest spatulate; peduncles elongated; petals longer than the 
calyx ; pods nodding on the stalks, curved upwards, thrice the length of 
the calyx. — Moist places, from Vermont westward. May-July_ 
Biennial ? or annual, 6'-20' high. 
4. c. oblongrifolinm, Torr. (Oblong-leaved Chick- 
weed.) Stems ascending, villous, many flowered; leaves oblong-lan¬ 
ceolate and ovate; peduncles clammy-hairy; petals and ripe* pods 
about twice the length of the calyx. If — Rocky places, New York 
and Penn. May. — Stouter and larger-flowered than the following 
species. 
5. C. Rrvense, L. (Field Chickweed.) Stems ascending 
or erect, tufted, downy, slender, naked and few-flowered at the sum¬ 
mit; leaves linear ; petals more than twice the length of the calyx; 
pods scarcely longer than the calyx. If (Also C. tenuifolium, 
Pursh .) — Dry or rocky places, Northeastern States, perhaps indige¬ 
nous. May, June. — A span high, large-flowered. 
9* S AGIN A, L. Pearlwort. 
Sepals 4 or 5. Petals 4 or 5, undivided, often obsolete or none. 
Stamens as many as the sepals, rarely twice their number. 
Styles as many as the sepals and alternate with them. Pod 
