106 : FLOWERING PLANTS 
testa, so that they take no share in assimilation. In some. 
ge species of Kidney-Bean they 
are raised above the ground 
and become green, but still 
remain very thick and fleshy. 
| The Type: Acacia. 
Mimosex. The apparent 
leaves of the Acacia, figured 
in Plate V. (Frontispiece), are 
Fic. 79.—Frurr or Trrrotium leaf - like petioles without 
4 es blades, presenting their mar- 
a: gin to the light (p. 11). Many 
Australian species have compound leaves when young, and 
these blade-like petioles when old. 
Inflorescence: the apparent flowers, spherical in form, are 
inflorescences. | 

Calyx: - oni ee 
joined, inferior. 
Corolla: petals 5, free, and 
in some species, at any rate, 
perigynous. 
Andrecium : stamens numer- 
ous, free. | 
Gynecium : carpel 1, superior. 
It should be carefully noted 
that the flower is not papi- 
lionaceous, but regular. The 
frut of the species figured in. 3 : 
Plate V. (Frontispiece) isa long — Fic. 81.—Sinern Frowsr 
pod ; in this Sub-Order the fruit : eee 3 
is varied ; it may be a legume, andreecium ; g, eynzecium. 
a lomentum, or a single nut. 
The Type: the Judas-tree (Cercis siliquastrum). 
Cesalpinee. The corolla is irregular, and the petals overlap 
differently from the Papilionace. The posterior petal (s) is 
the smallest, and is overlapped by the two lateral petals (a), 
they in their turn by the two inner petals, forming the keel (). 
Flower. 

] 

