The Seniors of the Forest 
297 
disk which has the seeds attached to it, and hence 
is called the ‘‘semeniferous,” or seed-bearing, scale. 
The outstripped remain- 
der of the carpel forms 
a‘‘ bract-scale,’’ and both 
become woody and, in 
many cones, are glued 
together with resin. 
The ovule of the yew 
has no carpel, but after 
the vitalizing touch of 
the pollen upon it the 
ring-shaped disk about 
its base begins to grow, ° 
and forms a cup around 
the developing seed. 
Though three or four 
of its little archegonia 
may have been fertilized, 
the 
gymnosperm contains but 
All the 
supplanted 
seed of a _ native 
one baby-tree. 
others were 
Wit 
Fic. 83.—Common silver fir 
(A bies pectinata). 
A, A young carpel, showing the pro- 
truding disk and the two ovules; &, 
a part of a mature cone showing the 
seed-bearing scales (s) and. the:bract 
scales (4); C, a ripe seed-bearing scale 
with the winged seeds. (After Sachs.) 
by the growth of this one, which has become sole 
heir, and will take to itself all the nourishment in 
the ripe seed. This 
inheritance 
is no mean one, 
