: a 112 2 ‘Ss tructural , Ph wyisiolovical Botany. 
2 female organ, after fertilisation by the pollen formed in 
-(Fig. 201); if on the other hand the pistilis present but 
~ the stamens absent, they are fzsti//ate or female (Fig. 202); 
Fic. 203.—Neuter flower of Fic. 204.—Floral diagram of a cruciferous 
‘outermost flowers of the capitula of the corn blue-bottle, | a 
species and the flowers are said to be monectous; diectous 
when the male and female flowers are on different individuals, 
and hence some individuals are male, others female ; while 
- The fruit, oe RL the seeds, is developed out of the latter 
_the stamens or male organs. | 
When all these four organs are present in the same ie 
Bowes it is said to be complete or perfect; if either is  — 
absent, incomplete or zmperfect. The flowers for example 
of the rose, mignonette, and forget-me-not are perfect;  —— 
those of the willow and poplar, which have neither calyx 
nor corolla, are imperfect. Other flowers again are imperfect — 
from the absence of one of the essential parts. Those 
flowers which possess both stamens and pistil are Lerma- 
phrodite or bisexual; those in which either stamens or ee: 
pistil are wanting are diclinous or unisexual. Ifthe stamens = 
are present but the pistil absent, they are male or staminate 
Centaurea Cyanus. flower; K calyx ; Bcorolla; s stamens; 
St bilocular ovary (see also Fig. 200). 
while flowers which possess neither pistil nor stamens, as the 
Centaurea Cyanus (Fig. 203), are sterile or meuter. If 
the same plant bears both male and female flowers, the 
those plants in which male, female, and hermaphrodite 
flowers are all found on the same individual are said te be 
