230 
Stems abbreviated, 1 to rarely 10 cm. long; bracts longer than the leaves. 
3. T. brevicaulis. 
Stems elongated, 20-100 cm. long; bracts shorter than the leaves. 
Sheaths not imbricated at the base of the stem. : 
Stem glabrous; pubescence, when present on other organs, villous 
and silvery. : 
Plant bright green; pedicels 2.5-5 cm. long, villous; sepals 
12-18 mm. long, villous, about twice as long as broad, 
becoming membranous. 4. T. Virginiana. 
Plants glaucous; pedicels 2-2.5 cm. long, glabrous; sepals 
8-1o mm. long, with a tuft of hairs at the apex, 3-4 
times as long as broad, leathery. 5. 7. reflexa. 
Stem hirsute ; pubescence brownish. 6. 7. hirsuticaulis. 
Sheaths imbricated for 5—20 cm. at the base of the stem. 
Plant densely glandular; sepals linear-lanceolate or linear-oblong, 
I cm, long. 7. T. longifolia. 
Plant glabrous except the villous sheaths at the base of the stem; 
sepals ovate or oblong, 7 mm. long. 8. 7: foliosa. 
Leaves lanceolate or narrowly lanceolate, 4-10 times longer than broad, flat; 
plants glabrate, pilose or villous, 
Stem clothed with long villous hairs. 9g. 7. comata, 
Stems glabrous, or pilose. 
Plant usually slender; stems mostly strict ; umbels solitary and terminal 
or on corymbed branches; flowers 2-2.5 cm. broad; species 
Alleghenian. 10. 7. montana. 
Plant usually stout; stems mostly flexuous; umbels terminal and sessile 
in the upper axils ; flowers 2. 5-3 cm. broad ; species campestrian- 
11. 7. pilosa. 
1. TRADESCANTIA FLORIDANA S. Wats. 
Tradescantia Floridana S.Wats. Proc. Am. Acad. 17: 381. 1882. 
Perennial by creeping stems, slender, nearly glabrous, bright 
green. Stems procumbent, more or less matted, flaccid, 1-3 dm. 
long, rooting at the lower nodes; leaves ovate or ovate-lanceolate, 
1-2 cm. long, thinnish, acute, ciliolate; sheaths funnelform, min- 
utely roughened, fringed with long white cilia; cymes solitary oF 
2 together, terminal, their peduncles .5-1.5 cm. long, subtended 
by ovate or ovate-lanceolate bracts; pedicels filiform, 2-6 mm. 
long, villous and somewhat glandular; sepals ovate, about 2-3 
mm. long, acutish, purple, pubescent; petals white; filaments 
glabrous; anther-cells contiguous; capsules oval, neatly 2 mm. 
long, glabrous. 
Damp shady places, peninsular Florida: Miss Reynolds ; Mer- — 3 
-ritt's Island, A. H. Curtiss, 2995 (two collections under the one 
