LXV. ON A  DIMEROUS FORM, OF PAINSY.) Byamee 
JOHNSTONE STONEY, p.sc., F.R.s. 
[Read June 21st, 1880. } 
A BLOSSOM of a garden pansy, which was perfectly symmetrical, 
and in which all the parts were iv opposed patrs was exhibited 
to the Society. There were many blossoms on the clump from 
which it had been plucked, but this was the only one that was 
abnormal. The peduncle on which it grew was bent like the 
peduncles of ordinary blossoms, so that the blossom stooped for- 
ward, but in every other respect it was perfectly symmetrical. 
Annexed is a diagram of the flower, and the following is a 
description of it :— 
Sepals, two, iateral, precisely like the two large outer sepals of 
the ordinary blossoms on the same plant, except that they were 
set symmetrically right and left, instead of inclining downwards 
as they do in ordinary blossoms and except that one of them— 
that to the left—had a minute notch at its tip. 
Petals, two, alike, one above and one below, both of them 
spurred, shaped, and marked, like the lowest petal of the ordinary 
flowers of the same plant. The blades of the petals were not in 
the same plane (so that the flower had not the flat appearance of 
an ordinary blossom), but lay in two planes inclined to one 
another, at an angle of about 60°. 
