PLATE IX. 



Lepi dostrobus Rmsellianm, Binney. 



Fig. 1 (No. 21). A Cone, not perfect, from the Blackband Ironstone, near Airdrie, 

 Scotland. Natural size. 



Fig. \a. A portion of the column of the Cone, and two Scales, supporting two 

 Sporangia, full of Macrospores, Magnified 5 diameters. 



Fig. 2 (No. 22). An imperfect Cone from the Blackband Ironstone, near Airdrie. 

 Natural size. 



Fig. 2a. A portion of the Column, and a Sporangium, full of Macrospores. Mag- 

 nified 5 diameters. 



Lepidostrobtis ^ dubius, Binney. 



Fig. 3 (No. 23). The imperfect Cone from the Blackband Ironstone, near Airdrie. 

 Natural size. 



Fig. 3«. A portion of the Column, and two Scales, supporting two Sporangia, full of 

 Macrospores. Magnified 5 diameters. 



Lepidostrobus tenuif,, Binney. 



Fig. 4 (No. 24). A fragment of a Cone from the Blackband Ironstone, near Airdrie. 

 Natural size. 



Fig. \a. Two Scales, and two Sporangia, full of Macrospores. Magnified 

 5 diameters. 



