Devonian Plants, 



Fig. 1 a 



Fig. 1 / 



Fig. 1 d 



Fig. 1 c 



Fig. 1 6 



Fig; 1 e 



Fig. l.^Psilophyton princeps. a, rhizome ; 6, stem ; c, termination of 

 branches ; d, vernation e, fructification ; /J restoration. 



