300 
' IN ELM-SEEDLINGS SHOWING MENDELIAN RESULTS. 
EXPLANATION OF THE PLATES. 
PLATE 20. 
Huntingdon Elm; old tree in the Fellows’ Garden, Trinity College, Cambridge. 
PLATE 21. 
Branchlets of Ulmus glabra, of Ulmus montana, and of the Huntingdon Elm, 
illustrating the foliage of adult trees. 
PLATE 22. 
Elm-seedlings, Ulmus montana on the left, Ulmus glabra on the right. 
Raised from seed sown, as soon as ripe, on Ist June, 1909. Photographed on 
7th October, 1909, 
PLATE 23. 
Seedlings of the Huntingdon Elm, taken from a bed of 971 seedlings, which was 
plainly divisible into the four kinds illustrated, viz. (from left to right) :— 
(а) Seedlings with opposite large leaves. 
(b) ” ” ” small ,, 
(c) 5 „ alternate large ,, 
(d) ” ” ” small ,, 
On comparing these with Pl. 22. it will be seen that, so far as regards the two 
characters concerned (position and size of the leaves), b is similar to the seed- 
ling of U. glabra, c is like that of U. montana, and a and d are new kinds. 
PLATE 24. 
The Lucombe Oak, its parents, and a few of the peculiar ‘ varieties’ which were 
, , р 
raised from its acorns. The branchlets represented were taken in all cases 
from adult trees. 
