214 FOUNDATIONS OF BOTANY 
Il. BOUVARDIA, Salisb. 
Smooth perennials. Leaves lanceolate, thickish. Calyx 
4-lobed, the divisions slender. Corolla with a long and nar- 
row or rather trumpet-shaped tube and spreading 4-lobed limb. 
Anthers 4, inserted in the throat of the corolla, almost sessile. 
Stigmas 2, flat. Capsule globular, 2-celled, many-seeded. 
Flowers dimorphous. 
1. B. triphylla, Salisb. THREE-LEAVED Bouvarpia. Somewhat 
shrubby. Leaves nearly smooth, ovate or oblong-ovate, the lower 
ones in threes, the upper ones sometimes in pairs. Corolla scarlet 
and slightly downy outside. 
2. B. leiantha, Benth. DowNny-LEAVED BovuvarpiA. Leaves 
rather downy. Corolla deep scarlet, smooth outside. 
Both species cultivated from Mexico; in greenhouses. 
Ill. MITCHELLA, L. 
A pretty trailing evergreen herb. Leaves roundish-ovate, 
petioled. Flowers fragrant, white or pinkish, dimorphous, 
growing in pairs, joined by their ovaries. Calyx 4-toothed. 
Corolla funnel-shaped, with the lobes bearded within. Sta- 
mens 4, short. Style 1, stigmas 4, slender. Fruit double, 
composed of the united ovaries, really a stone-fruit containing 
8 seed-like bony nutlets, ripening into tasteless scarlet berries 
which cling to the plant through the winter. 
1. M. repens, L. PartrmpGE Berry, Squaw VINE, Two-EYE 
Berry. Common in dry woods, especially under evergreen conif- 
erous trees. ; 
Iv. GALIUM, L. 
Annual or perennial herbs; stems slender, 4-angled. Leaves 
appearing whorled. Flowers small, in axillary or terminal 
cymes or panicles, perfect or rarely dicecious. Calyx-tube 
short, the teeth minute or wanting. Corolla wheel-shaped, 
3-4-lobed. Stamens 3-4, short. Ovary 2-celled, styles 2, 
short, united below. Fruit 2, united, sometimes fleshy, 
1-seeded carpels which do not split open.* 
1. G. Aparine, L. Goosrcrass. Annual; stem weak, decum- 
bent, sharply 4-angled and with backward pointing prickly hairs, 
