678 Oenotheraceae. 
raised above the calyx-border by the annular margin of the disk; 
anthers ovoid-oblong, with distinct parallel cells. Ovary flat-topped 
or slightly conical in the centre. Fruit ovoid-oblong, truncate, 
smooth, contracted above the middle, about 1 em long or rather 
more, the rim thin and slightly prominent, the capsule much sunk, 
valves permanently or long coherent, rather narrow. Seeds small. 
— Flow. February. 
M. ma. N. d. N. v. Cultivated often in gardens with /. globulus, 
sometimes naturalized. 
Also known from India and Australia. 
78. Oenotheraceae. 
Calyx-tube adnate to the ovary, entirely so or produced above 
it; lobes 2—4, rarely 5 or 6, valvate in the bud. Petals as many 
as calyx-lobes, inserted at the top of the calyx-tube, rarely wanting. 
Stamens as many or twice as many as petals, or fewer, inserted at 
the top of the calyx-tube, free (except in a Mexican genus); anthers 
from ovate to linear, versatile, with parallel cells opening longi- 
tudinally. Ovary inferior, more or less completely divided into as 
many cells as calyx-lobes, or rarely 1-celled; style filiform, or some- 
times very short or scarcely any; stigma entire or divided into as 
many lobes as cells to the ovary. Ovules usually numerous, in 
1 or 2 rows in each cell, anatropous, rarely, in genera not Egyptian, 
solitary. Fruit various, in the Egyptian genera capsular and 
elongated, opening from the apex downwards in as many valves as 
cells, or splitting laterally between the ribs of the calyx. Seeds 
usually small; testa membranous, coriaceous or rarely spongy. 
‘Albumen none or exceedingly thin. Embryo usually ovoid; cotyle- 
dons plano-convex (except in Trapa), with a very short radicle. — 
Herbs, annual or perennial, or, in a few genera not Hgyptian, 
shrubs or even trees. Leaves opposite or alternate, without stipules, 
entire serrate or very rarely divided. Flowers usually solitary in 
the axils, sometimes forming leafy racemes or spikes at the ends 
of the branches, often with 2 small bracteoles under the calyx. 
The Order is dispersed over nearly the whole surface of the globe. 
A. Capsule opening from the summit downwards in 4 valves. 
Seeds with a tuft of hairs. Stamens 8. Petals 4 . 1. Bpilobium. 
K. Capsule opening laterally between the ribs of the calyx 
or at the summit inside the calyx. Seeds naked. . 2. Jussiaea. 
373. Epilobium Linn. 
Calyx-tube not at all or scarcely produced above the ovary; 
lobes 4, deciduous. Petals 4. Stamens 8; anthers linear or oblong. 
ee 
