70 
NATURAL HISTORY OF PLANTS. 
superposed to the petals.!. Each has a free filament, swollen and 
Fia. 39. 
Flower. 
Cadia varia. 
Fig, 41. 
Longitudinal section of flower. 
Fria. 40. 
Diagram. 
articulated at the base and tapering at the apex, and an introrse 
Cadia varia. 
Fig, 42. 
Fruit (2). 
two-celled_anther of longitudinal dehiscence. The 
free central ovary is that of a Leguminose. Its 
ovary, supported on a slender foot, contains an 
indefinite number of ovules in two vertical rows 
on a placenta superposed to the anterior petal ; 
they are anatropous and descending or horizontal, 
with the micropyle looking upwards and outwards 
(fig. 41).2 The style is short and bowed, and 
its apex curving towards the placenta dilates into 
a very little papillose stigmatiferous head. The 
fruit is a pod, supported on a slender foot, whose 
base is surrounded by the persistent calyx and 
receptacle (fig. 42). It is slender elongated 
coriaceous and glabrous, enclosing a variable 
number of seeds (figs. 43, 44), which contain within 
their coats a fleshy exalbuminous embryo, with 
an inflexed radicle accumbent on the two lateral 
cotyledons. Cadia consists of shrubs from the 
coast and islands of tropical Africa, with alternate 
imparipinnate leaves possessing two lateral stipules. 
The flowers are in few- or one-flowered racemes,’ terminating 
1 These five stamens are at first shorter than 
the rest, and are originally inserted outside of 
them. 
2 These ovules have two coats, and are at 
first arranged in two parallel rows. Their final 
direction is often such that the raphe is inferior 
and quite horizontal, 
3 In C. varia, there are few flowers on each 
axis; or there is a single flower terminating a 
little axillary branch, which bears one or few 
bracts below it. 
