132 THE OPEN BOOK OF NATURE 
Fruirs.—When the ovules have been fertilized 
by pollen, the flower withers ; the ovary swells and 
develops into fruit. The fruit consists of a seed, 
Fig. 53.—Turezn Mature 
Fruits (SILIQUES) OF THE 
WALLFLOWER, 
1, Fruit still closed. 2, Fruit 
opening. v, v, The open 
valves; 7, replum, seen edge- 
ways, with seeds attached. 
3, Fruit from which valves 
have dropped off. 
with its covering styled 
the pericarp (Greek, peri = 
around; karpos = fruit). 
There are many forms of 
fruit. I mention some 
principal forms. 
The Legume, or pod, 
bearing seeds in a single 
row, and not having 
a partition (Pea and 
Bean). 
Silique.—Long, podlike, 
having edges connected by 
internal membrane (Wall- 
flower, Fig. 53). 
Silicle.—A short, broad 
silique (Penny Cress, 
Plate 14, c). 
Capsule—A dry seed- 
case, usually many-seeded 
(Campion, Fig. 54). 
Berry.—Seeds_ enclosed 
in pulp. Fruit succulent 
(Currant, Grape). 
Drupe.—Stone fruit. A 
nut, or “stone,” em- 
bedded in pulp (Plum). 
Cone.—Overlapping scales: each scale covering 
two seeds (Fir). 
Nut.—Pericarp woody, or leather-like (Hazel, 
Beech). 
