54 



MOKrilULOUY OP SPERMATOPIIYTES 



Piu. ;VJ. — Lar'ix .sp., alU'V ^lu'i-Uliug its loaves. — ,Vftur <_'oultek. 



a soiiipwluit ]>eTin:iiicnt a]>]H'arniieo vovv differont from its iiiir- 

 mal adult form. Gooliol ""' has veccntly given an interesting 

 rhutm of this subject. For example^ in Pinus the long shoots 



