THE DEVONIAN. 



71 



from the rich plant-bearing beds near St John, New Brunswick, so 

 admirably explored by Messrs Hartt and Matthew. It is proper, 

 however, to explain that, in Acadian Geology, I have restricted 

 myself to these species, not noticing, except incidentally, those from 

 the Devonian of Gaspe, New York, etc. It is also to be observed that 

 several of the species mentioned in that work are much more fully 



Fig. 12. — Psilophyton princeps. — Restored. 



a, Fruit, natural size; h, Stem, natural size; c, Scalariform tissue of the axis, highly magnified 

 In the restoration, one side is represented in vernation, and the other in fruit. 



illustrated and described in the Keport above referred to. More especi- 

 ally is this the case with the remarkable genus Psilophyton, the fructifi- 

 cation of which was not distinctly known when my hist edition was 

 published, but will be found fully described and figured in the 



