MADDER FAMILY 229 
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 drupe, containing 
8 seed-like, bony nutlets, ripening into tasteless scarlet berries, 
which cling to the plant through the winter. 
1. M. repens L. Parrrince Berry, Squaw Vine, Two-Eve 
Berry. Common in dry woods, especially under evergreen conif- 
erous trees. 
II. BOUVARDIA Salish. 
Smooth perennials. Leaves lanceolate, thickish. Calyx 4 
lobed, the divisions slender. Corolla with a long and narrow 
or rather trumpet-shaped tube, and spreading, 4-lobed limb. 
Anthers 4, inserted in the throat of the corolla, almost ses- 
sile. Stigmas 2, flat. Capsule globular, 2-celled, many-seeded. 
Flowers dimorphous. 
1. B. triphylla Salisb. THreE-LEAVED Bouyvarpia. 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. Downy-Leavep Bouvarpia. Leaves rather 
downy. Corolla deep scarlet, smooth outside. 
Both species cultivated from Mexico; in greenhouses. 
IV. HOUSTONIA L. 
Annual, biennial, or perennial herbs; stems erect or dif- 
fuse. Leaves entire; stipules often only a lhne connecting the 
bases of opposite leaves. Flowers small, solitary or clustered, 
dimorphous, the stamens projecting and the style short in 
one form, while in the other the stamens are short and the 
style projecting. Calyx 4-toothed, persistent. Corolla wheel- 
shaped to funnelform, 4-lobed. Stamens 4. Ovary 2-celled; 
style slender; stigmas 2. Fruit a 2-celled, few—many-seeded 
capsule, opening at the apex, free from the calyx.* 
1. H. cerulea L. Bivets, INNoceNcE, QUAKER LapiEs, EYeE- 
Bricut. Perennial, from’ very slender rootstocks; stems tufted, 
erect, smooth, forking, 3-6 in. high. Leaves sessile, often hairy- 
fringed, the lower spatulate, the upper lanceolate. Flowers solitary, 
