ONAGJURIBJ!. 271 



longer than tlte flower, twice or more exceeded by tlie leaves. — Auhl. t. 209 : differing from 

 cm' form by broader leaves, and 3-1 -flowered, axillary peduncles, tbe lateral flowers being 

 axillary to the bracteoles. — Crenea, ■Auhl. 1). svirinamensis, L. (C. repens, Mey. !) has 

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

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

 petals obovate, white'. — Hab. Trioidad I, Or., in maritime swamps ; [Gtiiana], 



4. HEIMIA, Lk. Ott. 



Calyx shortly campanulate, 6-tootbed, comiculate with spreading appendages between the 

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

 QD , minute, obconical. — Glabrous shrubs ; flowers axillary, shortly pe/Ucellate, 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 petiol^ 

 opposite (or whorled) ; calyx- lohes 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. Ouaiy 4(-3)-celled. &««?* co , minute. — Glabrons shrubs; 

 flowers white, in corymbs. 



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

 M. 8. t. 596. — L. alba, Xam.-^Unarmed or thorny. — Hab.' Naturalized in Jamaica !, Al., 

 Antigua!, FaWjcA/. ; [Egypt !, Syria !, East Indies !]. 



Lagerstroemia indica, L., is a tree, cultivated in Jamaica, S. Kitts !, Antigua! ; Z. regince, 

 Eoxb., in Jamaica_(Macf.). , 



LXX. ONAGEAEIEJl. 



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

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

 stipulate ; the West Indian species herbaceous. 



1. ISNARDIA, L. . 



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

 Capsule tardily loculicide, 4-valved. Seeds », ininute.— Aquatic herbs ; flowers axillary. 



y 1. I. palustris, L. Glabrous ; stem rooting or floating ; leaves opposite, elliptical, ■] 

 pointed, cuneate a^he petioled base ; flowers solitary, subsessile, usually apetalous ; capsule 

 cuboid-oblong, obtusely^tetragonal, rounded at the base, truncate at the top. — ¥1. Han. 10. 

 1. 1745.^— Capsule l"'-i|"' long.— Hab. Jamaica I, Al., at Moneague ; [western and southern 

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

 Florida !]. 



■^ 2. 1, repens, DC. Glabrous ; stem rooting or floating ; leaves opposite, elliptical, pointed, *' 

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

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

 t. 8.— Ludwigia, Sw. ! L. natans, .Btf.— Capsule 3'" : its pedicel 1'" long or less; petals 

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



/^ 3. I. microcarpa, Pair. Glabrons ; stem ascending, simple or difliise ; 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.— 

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

 date, f" long.— Hab. Jamaica !, Al., at Moneague; [South Carolina to Florida]. 



