ONAGRARIE^E. 271 



longer than thefloicer, twice or more exceeded by the leaves. — Aubl. t. 209 : differing from 

 our form, by broader leaves, and 3-] -flowered, axillary peduncles, the lateral flowers being 

 axillary to the bracteoles. — Crenea, Aubl. D. surinamensis, L. (C. repens, Mey. !) has 

 broader leaves, shorter pedicels, and is a shrubby species. — Stem simple or few-branched, 1' 

 high, with roots from the inferior nodes ; leaves 2"-l", pedicels 4"'-6'", calyx 3'" long ; 

 petals obovate, white. — Hab. Trinidad !, Cr., in maritime swamps ; [Guiana]. 



4. HEIMIA, Li. Ott. 



Calyx shortly campanulate, 6-toothed, corniculate with spreading appendages between the 

 teeth. Petals 6. Stamens 12 (-15) : anthers revolute-reniform. Ovary 4-celled. Seeds 

 oo , minute, obconical. — Glabrous shrubs ; flowers axillary, shortly pedicellate, yellow. 



This genus, by the structure of its anthers, differs from Becadon, but approaches An- 

 therylium and Ginoria, two West Indian genera not yet observed in the British islands. 



9. H. salicifolia, Lk. and Ott. Leaves lanceolate, tapering into the short petiole, 

 opposite (or whorled) ; calyx- lobes connivent-closed above the capsule ; petals obovate. — 

 Hook. Ic. t. 554 B, C. — Nessea, Kth. — Hab. Jamaica!, March ; [Mexico to Brazil]. 



5*. LAWSONIA, L. 



Calyx 4-partite, devoid of appendages. Petals 4, clawed. Stamens 8, inserted with 

 the petals : anthers roundish. Ov ary 4 (-3) -celled. Seeds co , minute. — Glabrous shrubs; 

 flowers white, in corymbs. 



10*. Ii. inermis, L. Leaves elliptical-lanceolate, pointed; corymbs paniculate. — Desc. 

 Fl. 8. t. 596. — L. alba, Lam. — Unarmed or thorny. — Hab. Naturalized in Jamaica!, Al., 

 Antigua !, Wullschl. ; [Egypt !, Syria !, East Indies !]. 



Lagerstrmmia indica, L., is a tree, cultivated in Jamaica, S. Kitts !, Antigua! ; L. regina, 

 Roxb., in Jamaica_(Macf.). 



LXX. ONAGEARIE.E. 



Stamens definite, inserted into the valvate calyx. Pollen-grains connected by threads. 

 Ovary inferior, at length mostly syncarpous : ovules oo. Seeds exalbumiuous. — Leaves ex- 

 stipulate j the West Indian species herbaceous. 



I. ISNARDIA, Z. 



Calyx-tube as long as the ovary : limb 4-partite. Petals small, 4 or none. Stamens 4. 

 Capsule tardily loculicide, 4-valved. Seeds oo, minute.— Aquatic herbs ; flowers axillary. 



1. I. palustris, L.'t Glabrous ; stem rooting or floating ; leaves opposite, elliptical, 

 pointed, cuneate at the petioled base ; flowers solitary, subsessile, usually apetalous ; capsule 

 cuboid-oblong, obtusely tetragonal, rounded at the base, truncate at the top.—/ 7 /. Ban. 10. 

 1. 1745.— Capsule 1"'-14'" long.— Hab. Jamaica !, AL, at Moneague ; [western and southern 

 Europe ! ; Asia Minor ! to Nepaul ! ; southern Africa ! ; Canada ! to New Mexico ! and 

 Elorida !]. 



2. I. repens, BC. Glabrous ; stem rooting or floating ; leaves opposite, elliptical, pointed, 

 cuneate at the base; flowers solitary, shortly pedicellate or subsessile ; petals small (or none) ; 

 capsule oblong, obtusely tetragonal, tapering towards the base, truncate at the top.— Sw. Ic. 

 t. 8.— Ludwigia, Sw. ! L. natans, Ell.— Capsule 3'": its pedicel V" long or less; petals 

 yellow.— Hab. Jamaica !, Sw., Pd., at the Ferry ; [South Carolina to Texas ! ; Cuba]. 



3 I. microcarpa, Poir. Glabrous ; stem ascending, simple or diffuse ; leaves alter- 

 nate, elliptical or elliptical-lanceolate, pointed, cuneate at the subsessile base ; flowers solitary, 

 sessile, apetalous ; capsule small, obversely pyramidal, shorter than the broad calyx-lobes.— 

 Lndwigia, Mich.— Stem spithameous ; leaves 4"'-5'" long ; calyx-lobes broadly ovate, cuspi- 

 date, £'" long.— Hab. Jamaica !, A I., at Moneague; [South Carolina to Honda] . 



