408 MAYACACK^'.. (mAYACA lAMII.Y.) 



crowiliil, sliort-stalkcil, lioodid, uannwcd at tlio base; sterile pcihinolc included, 

 jK'tals marly alike, the odd one smaller; seeds transversely ohlon;;. (C. hirtella, 

 Vti/il. C. lon^rifolia, Mic/ix.) — Shady swauips, Florida, and northward. Aug. 

 and Sept. U — Stem 1°- U° high. 



2. TRADESCANTIA, L. Si-idkkwout. 



Flowers regular. Sepals herbaceous. Petals similar, ovate, fugaeious. Sta- 

 mens all fertile, the filaments hairy : anthers kidney-shaped. Ovary 3-celled, 

 with two ovules iu each cell. Capsule 2 - 3-cclled, the cells 1 - 2-seeded. — 

 Perennial herbs, with narrow keeled leaves, both the floral ones and those of 

 the stem. Flowers in umbel-like clusters, axillary and terminal, expanding in 

 the morning. Fruiting pedicels recurved. 



1. T. Virginiea, L. Smooth, or villous with glandless hairs; leaves 

 linear, broadest at tiie base, mostly purijle-veined ; clusters axillary and tenni- 

 nal, sessile, many-flowered ; flowers closely packed in 2 rows in the bud, each 

 with an ovate scarious bract at the base ; petals blue, like the st}lc and densely 

 bearded filaments, twice as long as the lanceolate-ovate sepals. — Dry sandy soil, 

 Florida, and northward. March -May. — Stems ^°-2° high. Flowers 1' in 

 diameter. 



2. T. pilosa, Lehm. Stem often branched, and, like the sheaths, villous 

 or nearlv smooth ; leaves oblong, narrowed at the base, pubescent on both sides ; 

 clusters axillary and terminal, sessile, dense, many-flowered ; the pedicels and 

 oblong sepals villous with glandular hairs ; seeds transversely oblong, pitted on 

 the back ; i)etals blue. — Light soil in the upper districts. May- July. — Stem 

 lo_]io bigh Leaves I'-li' wide. Flowers %' in diameter. 



.3- T. rosea, Vent. Stem simple, slender, smooth ; leaves linear-lanceolate, 

 fringed on the margins; clusters solitary or by pairs, on long (3' -6') terminal 

 peduncles, few-flowered ; petals bright ro.se-color, three times as long as the 

 ovate-lanceolate sepals. — Light fertile soil, Georgia to North Carolina. June - 

 Ausr. — Stem C - 8' high. Flowers A' in diameter. 



Order 15G. MAYACACEiE. (Mayaca Family.) 



Creeping moss-like marsh herbs, with very numerous narrow and pel- 

 lucid leaves, and solitary axillary flowers. Represented only by 



1. MAYACA, Aublet. 



Flowers regular, perfect. Sepals 3, lanceolate, herbaceous, persistent. Petals 

 3, obovate, deciduous or withering-persistent. Stamens 3, free, inserted on the 

 base of the sepals, persistent- anthers erect, spoon-shaped, imperfectly 2-cellcd, 

 emarginatc at the apex, introrse. Ovary 1-celled. Ovules few, orthotropous, 

 fixed to three parietal placentaj. Style single, terminal, persistent : stigma mi- 

 nutely 3-lobcd. Capsule rugose, 3-valvcd ; the valves bearing the placentae iu 



