Notes. 
1 87 
number of flowers, and recorded the variation found to exist 1 . In 
doing this I noticed that the traces of zygomorphy do not always 
completely disappear from the ovary. The present note is concerned 
with this entirely. 
Nearly mature fruits were gathered on the Scarborough cliffs in 1895, 
and put into alcohol to harden. Some were examined after being 
in alcohol for six months; others— owing to other more pressing 
work — have remained in it for more than five years. 
Fig. 1. 
Diagram I. . g-carpelled flower with dextrorse spiral. 
Diagram II. 5-carpelled flower with sinistrorse spiral. 
Diagram III. 4-carpelled flower with dextrorse spiral. 
Diagram IV. 3-carpelled flower with dextrorse spiral. 
In measuring their carpels, each ovary was cut transversely and 
each placenta marked by touching the opened channel under it — - 
between it and the ovary wall — with ink, on doing which a little of 
the ink passes up the channel and is seen from outside as a black 
streak. Thus marked, the lower half of the ovary was carefully 
‘ centred 5 on a metal disk marked for the purpose with concentric 
1 Teratological observations on Parnassia palustris : Journ. Bot., 1896, pp. 12-15. 
