ORIGIN OF VASCULAR TISSUES 



FRAXKLIN P. REAGAN 



PLATE 12 



(If m*9 



.«^ 



G> 





% 









45 



Pv.nich 



■.;^ /^ W- 



--.Q ^'-v" 46 



~~Endlh. 



A" 



Pv.mcli Pv.mch 



• ■% / 





r. .i * '• -'ifii.^ 



47 



•:>»; 



^^- 



•tt? 



Pv.mcH. 





4.R 



155 



