KIDSTON : THE FLORA OF THE CARBONIFEROUS PERIOD. 383 
Plate LVII. 
1. Lepidodendron V eltheimianum Sternberg. Shore, Wardie, 
Midlothian. Hor. Calciferous Sandstone Series [2275]. 
Collected by Mr. J. A. Johnston. Specimen showing the 
leaf-scars and four of the cone scars. Two-fifths natural 
size. 
2. Cordaifes principalis GernvdT. sp. Monckton Main Colliery, 
near Barnsley, Yorkshire. Hor. Barnsley Thick Coal. 
Middle Coal Measures [U78]. Collected by Mr. W. 
Hemingway. Upper portion of leaf showing blunt apex 
and parallel nervation. Two-fifths natural size. 
3. Dor y cord aites palmoef ormis Gopp. sp. Monckton Main 
Colliery, near Barnsley, Yorkshire. Hor. Barnsley Thick 
Coal. Middle Coal Measures [2907]. Collected by Mr. 
W. Hemingway. Complete leaf showing pointed apex. 
Two-fifths natural size. 
