Photomicrographs of lintaiiictil Studies. 



49 



76. — T.S. Leaf-bud of " Acer Pseudo-platanus," Sycamore. 



Bud scales. 



^-—Developing leaves. 



*y y ^ complete leaf in section. 



77. — L.S Stem and Leaf-buds of Acer Pseudo-platanus, Sycamore (Defoliation) 



Cuticle. 



Phloem of main branch. 



Bud scales. 



Growing point of branch. 



Vascular system of branch. 

 Central axis of same. 

 i Vascular bundle of old leaf-stal 



Separating (absciss layer). 



Wood of main branch. 



Pith of central axis, 



