230 



Stems abbreviated, i to rarely lo 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 

 8-10 mm. long, with a tuft of hairs at the apex, 3-4 

 times as long as broad, leathery. 5. T, rejlexa. 

 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. Ion gi folia. 



Plant glabrous except the villous sheaths at the base of the stem ; 

 sepals Gvate or oblong, 7 mm. long. 8. T. foliosa. 

 Leaves lanceolate or narrowly lanceolate, 4-10 times longer than broad. Hat ; 

 plants glabrate, pilose or villous. 

 Stem clothed with long villous hairs. 9. T. 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. T. montana. 



Plant usually stout; stems mostly flexuous; umbels terminal and sessile 



in the upper axils ; flowers 2.5-3 cm. broad ; species campestrian. 



II. T. pilosa. 



I. 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 or 

 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, nearly 2 mm. 

 long, glabrous. 



Damp shady places, peninsular Florida : Miss Reynolds ; Mer- 

 ritt's Island, A. H. Curtiss, 2995 (two collections under the one 



