697 
Seedling Structure of Gymnosperms . I. 
of phloem of the cotyledonary bundles fuse together either directly, in 
the case of younger seedlings with no differentiated epicotyledonary 
Diagram 3, Juniperus virginiana. 
traces ; or indirectly, by their junction with the intervening plumular 
bast, as in the case of older seedlings. A diarch root-structure is thus 
