ORIGIN OF VASCULAR TISSUES 



FR \NKI.I.\ P. REAGAN 



Pr.ATD 11 



Ert 



Pa'.iTies 



' Vis.mes. 

 -Myc. 



Vis.mes.ii:- 



~— Endc. 



43. 



Par.mes. *:--*\ 



Vis.mes. 



Endth. 



Ent. 



44 



153 



