PINK FAMILY 235 
stem not longer than the sepals. Flowers in terminal groups. In moist 
grassy places. Not common, May-June. 
2. C. vulgatum, L. (Fig. 10, pl. 40.) Larcrr Movusk-karR CHICK- 
WEED. Stems clammy. Leaves oblong, tapering at each end, without leaf- 
stems, 4 to 1 in. long, half as wide. Flowers in loose terminal groups, 
the pedicels longer than the sepals, mostly turning downward between 
flowering and fruiting. Petals equal to or longer than the sepals. Fields 
and woods, common. May-Sept. 
3. C. nutans, Raf. (Fig. 9, pl. 40.) Noppinc CHICKWEED. POWDER 
Horn. (C. longipedunculatum, Muhl.). Stems diffusely branched, clammy 
or nearly destitute of hairs; 6 to 24 in. long. Leaves 1 to 2 in. long, 
4 as wide; the middle and upper ones without leaf-stems, lower with 
short leaf-stems. Flowers in loose terminal clusters. Petals about twice 
the length of the sepals. Pods nodding and curved upward. Moist soil; 
much of our area. May-July. 
4. C. arvense, L. (Fig. 8, pl. 40.) Fretp CHICKWEED. Growing 
in dense tufts, 4 to 10 in. high. Stems and leaves downy. Leaves linear 
lance-shape; on the flowering stems the pairs are distant. Petals more 
than twice the length of the calyx. Flowers terminal in groups of about 
4, 4 to } in. broad. Dry rocky hills in all of our area. April-July. 
Var. oblongifolium, Britt., (Fig. 13, pl. 41), Taller; leaves broader; pod 
about twice as long as the calyx. New York and southwest. 
5. C. alpinum, L. ALPINE CHICKWEED. Flowering stems erect, 2 to 
6 in. high, sterile stems prostrate. Leaves broad lance-shaped, rather 
obtuse at apex, 4 to } in. long and about 4 as broad, hairy. Flowers 
terminal, about 2 to 4 in cluster. Petals twice as long as sepals. Scarcely 
found south of Canadian line. 
3. SAGINA, L. 
Small matted herbs with thread-like or awl-like leaves, without stipules 
and with small white or whitish flowers on very slender flower stems. 
Petals not divided as in the two preceding genera and sometimes absent. 
Petals and sepals equal in number when petals are present, sometimes 
varying in the same species, 4 or 5. Stamens as many as the sepals. 
Ovary with a single cell, many seeded. Styles as many as the sepals and 
opposite to them. 
Parts of the flower in 4’s. 
Plante depressed team te eo) lice er erh outils) cr otek oe Se PrOCUMLENS, 
Pl aritmeGLeCien see 2 > LY ce lle ce. bal boars) Mel at ewewan, Wom atl Pow oh See aperala 
Parts of the flower in 5’s. 
Retalsmioncers thant the sepals’ s: sis. meses, ay st) «be. a) te S. nodosa 
Petals shorter than the sepals . . . Bie 1b 0) .0) 84S decumbens 
1. S§. procumbens, L. PRocUMBENT Sanaa Growing in dense 
mats, stems 1 to 3 in. high, semi-erect or lying on the ground, Leaves 
thread-like, 1/12 to 1/4 in. long, the pairs joining at the stem. Flowers 
1/12 in. broad, terminal or from the axils of the leaves, on thread-like 
flower stems which are 6 to 8 times longer than the flower. Sepals gen- 
erally longer than the petals. In moist places, in our area. May-Sept. 
2. §S. apetala, Ard. SMALL-FLOWERED PEARLWoRT. Partly or wholly 
erect, 1 to 4 in. high, stem very delicate. Leaves 1/12 to 4 in. long, 
broadened at the stem and at the base sparingly hairy. Flowers on long 
