WATTLES OR ACACIAS. oa 
oval or some roundish, partly petal-like colored and membranous. 
Petals yellow, 
roundish - oval, 
2-2 of an inch 
long, somewhat 
unequal, nar- 
rowed into a 
short stalk-like 
base. Stamens 
ten, disconnec- 
ted, all fertile ; 
filaments short; 
anthers brown 
or yellowish, 
linear-cylindri- 
eal, blunt, with ~ 
a bilobed base, 
each of their two 
cells opening by 
a terminal pore, 
which gradually 
lengthens into 
a short slit; 
two or three of 
the lower an- 
thers somewhat 
larger and on 
longer fila- 
ments. Pollen- 
grains (when 
examined under 
a compound mi- 
croscope) oval, 
smooth, fissured 
lengthwise. 
Ovary more or 
less arched. 
& 
Fie. XIII. 
Fie. XIII.—(Cassia artemisioides, var. eremophila and 
lower down var. phyllodinea).—1, sepals and petals, natural 
size ; 2, an upper stamen; 3, a lower stamen; 4, a pollen- 
grain, magnified 250 times; 5, pistil; 6, seed, with funicle ; 
7, transverse section of a seed, showing the cotyledons sur- 
rounded by albumen; 8, cotyledon and radicle; 2, 3, 5, 6,7 
and 8 magnified several times. 
