102 CRUCIFEROUS PLANTS. 
an easy opportunity to examine the characteristics of this genus 
of plants still further. 
Turning next to the cognate Capparidce, we will find, that our 
only plant of this order is quite singular in the structure of its 
calyx, as the illustration Fig. XLVIII.a fully explains. Instead 
of four overlapping sepals, as is usual in the typical species of 
Fig. XLVIIL.z. 
Fic. XLVIII.s.—(Capparis Mitchelli).—a, flower ; 4, stamen with a portion of 
the filament; c, flowerstalk and ovary with its stalklet; d, fruit; e, fruit cut 
transversely ; f, longitudinal section of seeds; g, embryo; all except b natural 
size. 
