68 
Salisbury . — Variation in Eranthis hy emails, 
member of the outer whorl with one of the inner, in consequence of which 
a quincuncial arrangement results. The involucre in one case has been 
observed to exhibit increase, four bracts being present in place of the usual 
three, so that here too we have fission exemplified. 
16 - 
11 - 
I*- 
11 - 
. Ji- 
ll ; 
la - 
V 
5 - 
7 ' 
6 - 
' 4 * - 
4 - 
3 - 
1 - 
'f 
s 
As shown in Fig. 1 1, F, branched stamens occur, so that it would appear 
as if increase in the number of parts may take place in any whorl of the 
flower as a result of fission of rudiments already present. It will be noticed 
(Table VII) that, if we ignore the branching, four out of the six examples 
have androecia which are multiples of three. 
Here too there is obvious correlation, for we find the coefficient 
between stamens and carpels is 0-66, whilst the probable error is 0*03. 
