MancJiestey Jllcinoirs, PW. Hi. (iyo8), No. 4. 



Tr. St. 



Uiagrainmatic sectiun through ihe base uf a branch to iUustrate the 

 Branch theory of the Ulodendroid Scar. 



oc. I. = Outer cortex [periderm] of main stem. 



DC. 2. — ,, ,, of Ijranch. 



Tr. St. = wood cylinder of main .stem. 



Br. St. = ,, of branch. 



It = leaf-trace. 



L.S. = line of separation of branch to leave in Ulodendroid scar. 



Wood shaded diagonally. 



Periderm shaded longitudinally. 



