PLATE X. 



Lepidostrobus levidensis, Binney. 



Eig. 1 (No. 25). A nearly perfect Cuiie from the Blackband Ironstone, near Airdrie. 

 Natural size. 



Fig. \a. A portion of the lower part of the Column, and eight Scales, supporting 

 eight S[)orangia, containing Macrospores. Magnified 2^ diameters. 



Fig. lb. A Scale from the upper portion, and a Sporangium, containmg 

 Microspores. Magnified 15 diameters. 



Lepidostrobus Hibbertiauuts, Binney. 



Fig. 2 (No. 2G). An almost perfect Cone, from the Bui'diehouse Limestone (Lower 

 Carboniferous), near Edinburgh. Natural size. 



Fig. 2(2. A jjortion of the Column of the lower portion, and two Scales, supjjorting 

 Sporangia, full of ]\L^cros pores. INlagnitied 5 diameters. 



Fig. '2b. Four of the rhomboidal Scales, or ends of Bracts, from the upper part of 

 the Cone. Magnified 5 diameters. 



