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DICOTYLEDONOUS PLANTS 199 
I. LYCIUM, L. 
Shrubs or woody vines, often spiny. Leaves entire, alter- 
nate, often fascicled. Flowers solitary or clustered, terminal 
or axillary. Calyx persistent, 4-5-lobed or toothed, not en- 
larged in fruit. Corolla funnel-form or bell-shaped, the limb 
4-5-lobed, the lobes obtuse. Stamens 4—5, projecting. Ovary 
2-celled; style single; stigma obtuse. Fruit a many-seeded 
berry.* 
1. L. vulgare, Dunal. Matrimony Vine. Stem slender, branch- 
ing, twining or trailing, 6-15 ft. long; branches angled, spiny. 
Leaves elliptical, smooth, entire, sessile, or short-petioled. Flowers 
solitary or few in the axils; peduncles long and slender. Corolla 
spreading, greenish-purple, 3-3 in. wide. Berry oval, orange-red. 
Introduced from Africa, and often planted for covering trellises.* 
Il. SOLANUM, Tourn. 
Herbs or shrubs; stems often prickly, sometimes climbing. 
Leaves alternate, often nearly or quite opposite. Flowers 
clustered, the peduncles often opposite or above the axils. 
‘Calyx spreading, 5-toothed or 5-cleft, persistent. Corolla 
wheel-shaped, 5-lobed. Stamens 5, projecting, the filaments 
very short, the anthers long and meeting about the style. 
Ovary 2-celled; style slender. Fruit a many-seeded, juicy 
berry.* 
1. S. Dulcamara, L. Bittersweet. Perennial. Stems rather 
shrubby, long, and climbing. Leaves heart-shaped, or some of them 
with irregular lobes, or ear-like leaflets at the base. Flowers blue 
or purple, somewhat cymose. Berries showy, of many shades of 
orange and red in the same cluster, according to their maturity. 
2. S. nigrum, L. NicursHape. Annual; stem smooth, or 
downy with simple hairs, erect, diffusely branched; branches wing- 
angled, 1-3 ft. high. Leaves ovate, irregularly toothed or entire, 
somewhat inequilateral, petioled. Flowers in lateral, peduncled um- 
bels, small, white, drooping. Calyx-lobes obtuse; corolla 3-4 in. 
wide; filaments downy; berries globose, smooth, black when ripe. 
Common in cultivated fields and waste places.* 
3. S. carolinense, L. Horse Netrie. Perennial; stem erect, 
branched, downy with star-shaped hairs, armed with straight, yellow 
prickles, 1-3 ft. high. Leaves ovate-oblong, deeply toothed or lobed, 
