430 THE VEGETABLE WORLD. 
examine in succession the genus, Geranium, Erodium, and Pelar- 
gonium, of which the order consists. 
The Geraniums, or Crane’s-bills, have a calyx with five sepals, 
a hypogynous corolla with five free petals, and an andreceum 
composed of ten stamens, five of which are large and five small. 
The latter are exterior and opposite to the petals; the larger 
stamens have a nectarous gland at their base; the filaments 
of these stamens are slightly attached at their base, and have 
two-celled anthers, opening from within by two longitudinal 
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Fig. 412.—Herb Robert (Geranium Robertianum). 
clefts. The pistil is composed of an ovary with five cells, sur-— 
mounted by five styles, more or less connected in their middle — 
part, but free towards their summit, and bearing long stigmates — 
the whole length of their internal surface. Each cell of the ovary 
contains two ascending anatropal ovules. The fruit is a capsule 
with five cells, each containing only one seed by abortion, and 
opening, as it were by a spring, with a sort of central axis, rom 
