444 Mr. Don’s Descriptions of’ Five new Species of Pinus. 
the ordinary leaves, which give the cones a singular appearance. The seeds 
are remarkable for a peculiarity in their structure, in having the nucleus 
exposed at the inner angle of the seed through a considerable opening in the 
outer testa, as if the junction of the two sides had been prevented by the i 
rapid enlargement of the nucleus*. It is only the middle branches that bear 
cones. 
* This peculiarity in the structure of the seeds I have since noticed also in P. Webbiana, and in 
several other species belonging to the group of silver firs. 
