352 DR. WINIFRED E. BRENCHLEY ON BRANCHING 
It was deeided to make the model as nearly as 
easy to trace the connection. 
Since each section represented 
possible twice the size of the original. 
Fia. 3. 
эра 
Elevation of model of Dr. Scott's specimen, Three-quarters natural size. 
Horizontal shading main axis; vertical shading primary branches ; 
cross hatehing- secondary branches; black —leat-bases. 
e " 
1 inch length of the actual stem, slabs of paraffin-wax were cast to the exact 
8 
thickness of 1 inch. This wax was of such a consistency that in the hot 
