xxx] 



D OLEROPHYLLTJM 



137 



of the Cyclopteroid leaflets figured by Roehl 1 on Neuropteris fronds 

 differ but slightly from those of D. pseudopeltatum. The shoot 

 showing large leaf-scars figured by Saporta and Marion 2 as proba- 

 bly the axis of a Dolerophyllum may well be a piece of Cordaites. 



Microsporophylls assigned to Dolerophyllum. 



Certain problematical fossils found in association with the 

 sterile leaves of Dolerophyllum Berthieri have been described by 



A ~r-%,oO C 



FIG. 432. A. Dolerophyllum Goepperti, section of vein. B. Dolerophyllum 

 Berthieri; s, microspores. C. Dolerophyllum fertile. D. Dolerophyllum 

 fertile, microspores. (After Renault.) 



Renault as the male organs of that species. These are elliptical 



discs, 6x5 cm., with an excentrically placed stalk : embedded 



in a carbonised lamina are numerous rows of elliptical bodies, 



1 Roehl (69) B. PI. xvn. 2 Saporta and Marion (85) fig. 29. 



