242 TAXACEZ 
It is possible that constant opportunity might lessen 
the difficulties. They still remain to many like the 
twin brothers Castor and Pollox 
So like they were, no mortal 
Might one from other know. 
Personally I have ignominiously failed to learn, or 
discern, a short cut to a safe landing-stage on this 
question. My conclusions result in the subjoined 
reductio ad absurdum : 
C. Fortunei. Branches more slender 
and less divided 
*|than C. 
i re Scaly stalks of flowers } "Pedancalae: 
shorter . 
eo * Leaves with finer points 
After this failure I can only, and in all ill-nature, wish, 
if any one is asked which is which or why is which, 
joy and satisfaction in answer. 
As the C. Pedunculata may be a cross between the: 
C. Fortunei and the C. Drupacea, it is perhaps no 
cause for wonder that likenesses ensue, but the 
C. Fortunei seems to have been very much the 
prepotent factor of the arrangement. While authori- 
ties say that the number of stomata on the lower 
surface range from eighteen to twenty-one, the 
number of lines on a leaf before me are clearly 
twenty-four. 
We ought not to leave the subject before calling 
identifiers’ attention to a fastigiate form of this tree, 
and one not at all uncommonly seen. Its leaves 
spread from all sides of the stem upon its vertical 
branches, and it has no lateral branches with leaves 
arrayed in pectinate form. As the Yew one day 
produced a sort of unexplained fastigiate freak in 
the so-called Irish Yew, so has its long-leaved affinity, 
