The Pines oe :\ustraha. 



— Transverse section through a decurrent channel of two 

 collateral leaves, which is marked by the papillose elonga- 

 tions of the cuticle of the transpiratory surface. Pait of 

 the xyleiu and phloem of the branchlct is seen at the 

 bottom with endodermal and transfusion cells (pitted) on 

 each side. Stained with hiematosylin. C. glaiica, x i6o. 



Figure 78.— *A lon^'itudiuai section through the junction of two whorU 

 of leaves given to show the arrangement of the stomata on 

 the ventral surfaces; they arc seen on the lower left leaf 

 as pinkish oval bodies. Stained with hsematoxylin. 

 C. giattca, X 50. 



