Mr. Brown on an undescribed Fossil Fruit. 475 



Fig. C. A small portion of the axis, to show the scalariform vessels with the slightly elon- 

 gated surrounding cells. 



Fig. D. A similar portion, from the central axis of the bractea of fig. B. 



Fig, E. A similar portion, from the line of union between the bractea and sporangium of 

 fig.B. 



Fig. F. A small portion of a sporangium, sufficiently magnified to show the arrangement 

 and composition of sporules. 



Fig. G. Several sporules, both in their compound and simple state, still more highly magni- 

 fied, with the minute granular matter which usually accompanies them. 



