XXVIl] 



SPHENOPTERIS 



531 



Kidston^ substituted Stur's genus Galymmatotheca for Spheno- 

 pteris on the ground that the sporangia figured by Peach 

 under the name Staphylopteris Peachii bear a close resemblance 



Fig. 353. Sphenopterisajffinis, hind. nuiHatt. From the Calciferous Sandstone 

 of Burdiehouse (Scotland). (Sedgwick Museum, Cambridge.) M.S. 



to the organs which Stur described as valves of an indusium in 

 his species Calyiumatotheca Stangeri^. An examination of Stur's 



1 Kidston (87) p. 145. 



- This species will be described in Vol. iii. 



