524 COMMELYNK^E. 



Hab. Antigua !, WuUschl. (a), Dominica ! (0), S. Vincent !, Guild. ; Trinidad !, Or,, Gulf 

 islands (a), Marattas (j3) : [Cuba ! and Mexico to Brazil!]. 



4. T. elongata, Mey. Ascending, glabrescent ; leaves oblong-lanceolate, pointed : 

 sheath pilose-ciliate ; umbels contracted : peduncle slender; sepals oblong, blunt, glahres- 

 cent, much longer than the pedicels, as long as the rosy petals ; filaments equal, pilose : 

 anther-cells oblong, distant.— T. guianensis, Miq. — Leaves 2"-3", sepals If" long.— Hab. 



5. Vincent!, Guild.; [New Granada!, Ecuador!, Guiana!]. 



5. T. multiflora, Sw. Ascending, glabrescent; leaves ovate, subcordate-rounded at 

 the base, pointed : sheath pilose-ciliate ; umbels fascicled- single, terminal and axillary : pe- 

 duncle hairy, shorter than the leaf; sepals ovate, pointed, hairy, about as long as the pedi- 

 cel, equalling the white petals ; filaments 3, hairy above, 3 shorter glabrous : anther-cells 

 subglobose, diverging. — Jacq. Ic. Ear. t. 355. — T. procumbens, W. — Leaves l"-2", sepals 

 1'" long. — Hab. Jamaica !, all coll., in moist places ; [Venezuela !, New Granada !]. 



6. T. umbellata, V. Ascending, glabrescent ; leaves lanceolate-oblong, uppermost 

 ovate, pointed : sheath pilose-ciliate, loose ; umbels terminal, fascicled ; sepals ovate-oblong, 

 pointed, glandular -hairy, about as long as the pedicel, equalling the white petals ; filaments 



6, all glabrous, 3 shorter: anther-cells elliptical-oblong, parallel, approximate. — Leaves 

 3"-2", sepals \\ w long.— Hab. Trinidad!, Or.; [equat. Brazil!]. 



§ 2. Involucre of 2(-" 3 ") large, conduplicate leaves, including a sessile umbel. — 

 Nearly steinless ; leaves rosnlate : scapes (peduncles) axillary. (Bhceo, Hanee.) 



7. T. discolor, Sw. Glabrous ; leaves oblong-linear, pointed, purple beneath, much 

 longer than the scapes ; involucral leaves cordate-roundish, pointed, exceeding the many- 

 flowered, bracteolate umbel; sepals membranaceous, little exceeding the white petals; fila- 

 ments pilose: anthers obcordate.— Sm. Ic. Rar.t. 10. — Leaves 8"-l2", scapes 2", involucre 

 1", sepals 2'" long.— Hab. S. Vincent !, Guild., introduced into Jamaica (Sw.) j [Guade- 

 loupe !, on rocks] . 



4. CALLTSIA, L. 



Calyx 2-3-phyllous, persistent. Corolla 2-3-phyllous, deciduous. Stamens 3-1 : fila- 

 ments glabrous. Ovary 2-3-celled : cells 2-ovulate. Capsule membranaceous, 2-3-valved. 

 — Creeping or ascending, delicate, small-leaved herbs ; flowers small, white, fascicled 

 (•single) or glomerate. 



8. C. repens, L. Leaves cordate-deltoid, clasping at the base, cuspidate, ciliate, shorter 

 than the internode ; flowers glomerate in. the axils ; sepals 3, unequal ; stamens 3 ; capsule 

 2-celled -. valves oblong; seeds depressed-trapezoid, rugose. — Jacq. Arner. Vict. t. 14. 

 Tradescantia Callisia, Sw.— Leaves 6"'-12"' long.— Hab. Antigua!, WuUschl.; Trinidad!, 

 Cr. ; [Haiti to French islands ; Venezuela! to Brazil !]. 



9. C. umbellulata, Lam. Leaves ovate, rounded at the base, cuspidate ; flowers m 

 few-flowered fascicles along the snbaphyllous summit of the branches; sepals 2-3, equal ; 



stamens l-2(-3) ; capsule 2-3-celled : valves roundish ; seeds depressed-orbicular, slightly 

 rugose-striate. — Tradescantia monandra and cordifolia, Sw. ! C. monandra, R. S. — Leaves 

 4'"-8"'(-12'") long.— Hab. Jamaica!, Sw., among grasses in the mountains; [Cuba! and 

 Venezuela! to Peru!]. 



5. COMMELYNA, L. 



Calyx unequal. Corolla deciduous. Stamens 3 fertile : 3-2 sterile, with a cross-shaped, 

 rudimentary anther. Ovary 3-celled : 2 cells 2-, the third 1-ovulate. Capsule membrana- 

 ceous, 2-valved : the third cell closed or abortive. — Peduncles 2-fid, bearing a conduplicate 

 or cucullate bract at the division : one of the two branches $ , sterile, or abortive. 



10. C. cayennensis, Rich. Creeping, glabrous ; leaves small, ovate-oblong or oblong- 

 lanceolate: sheath loose, ciliate; bract conduplicate, cordate-ovate, pointed: both special 

 peduncles flowered ; corolla blue, unequal, small ; seeds scrobiculate. — R. P. Fl. Peruv. t. 

 72. a. — C. agraria, Kth., polygama, Schlecht., glabra. Mey. esseq. !, gracilis, R. P. — Leaves 

 l"-2"(-3"), bracts 6"'-12'" long.— Hab. Jamaica!, WuUschl. ; S. Kitts !, Els., in culti- 

 vated grounds ; Trinidad !, Sch. ; [Missouri ! to Brazil ! ; Galapagos ! ; Canary islands !, trop. 

 Africa]. 



