od 
LV. ONAGRARIE®. 117 
the ovary, its limb 4—5-lobed, valvate or open in bud. Petals 
on the margin of the calyx-tube or 0. Stamens as many or 
twice as many as the calyx-lobes, and opposite them. Ovary 
inferior, 2-4—5-celled ; style mostly filiform (rarely splitting) ; 
stigma 2—4-5-lobed. Fruit a capsule or berry. Seeds exalbu- 
minous or nearly so.—A considerable Order, chiefly of tempe- 
rate climates. Leaves opposite or alternate, exstipulate, 
simple, entire, or variously lobed or cut. Flowers either axil- 
lary or in racemes or spikes, often showy. The well-known 
garden-flowers (Enothera and Fuchsia belong to this Order. 
Tribe 1. Jusstrx. Flowers bisexual. Petals spirally twisted in bud 
(sometimes 0). Ovary 4—5-celled ; ovules numerous ; style filiform. Fruit 
capsular. Seeds many, not winged. 
Limb of the calyx aad capsule septicidal. 
Stamens 8-10 . . BE i PO eae Mr aa ane Ser tse 
Stamens 4-5. . . ee ee et ee et en DNV TA, 
Limb of the calyx deciduous ; “capsule loculicidal. 
Calyx-tube much produced oy the Sie Seeds 
nude . . 38. CHNOTHERA. 
Calyx-tube not longer than the ovar ry. Seeds with a 
Ree aUmET MERC fete) Noh (hela cys actics 0s eye! 8)” 4 Me) LUPELOBLUM. 
Tribe 2. Montinirm. Flowers diccious. Petals imbricate. Ovary 
imperfectly 2-celled ; ovules numerous ; style splitting through the middle. 
Fruit capsular, 2-valved. Seeds broadly winged. 
A glabrous, small shrub, with alternate, simple leaves . 5. Monminta. 
Tribe 8. TRApEm. Flowers bisexual. Petalsimbricate. Ovary 2-celled ; 
ovules solitary ; style filiform. Fruit a hard, 1-seeded nut. 
- Water plants, with rhomboid, long-petioled, floating leaves, 
and spinous orhorned nuts ...... . . «. 6, TRAPA. 
TriBE 1. Jusstex. (Gen. 1-4.) 
1. JUSSIZAA, Linn. 
Calyx- tube not produced beyond the ovary ; the limb 4-5- 
parted, persistent. Petals 4-5. Stamens 8-10. Stigma ca- 
pitate. Capsule 4—5-celled, crowned by the calyx-lobes and 
opening longitudinally between the ribs. Seeds numerous, 
small, naked.— FV. Cap. ii. p. 504. 
A considerable genus, chiefly of tropical America.—2 species, one of them 
endemic, occur at Natal. Leaves alternate, entire. Flowers axillary, soli- 
tary, yellow. 
2. LUDWIGIA, Linn. 
Characters as in Jussiea, except stamens 4-5. Petals want- 
ing in L. palustris —Fl. Cap. i. p. 504. 
2 species, neither endemic, found in the Eastern district and Natal: Z 
palustris (without petals) and Z. jussieordes (with petals). 
