On Spores in the Carhoniferoits Formation of Scotland. 117 



Fi 



PLATE VI. 



Carboniferous Lycopod Macrospores, 



Fig. 



20a. Lagenicula 



206. „ 



20c. 



20d. 



20c. 



20/-S. „ 



I. 

 I. 

 1. 

 I. 



I. var. major 



I. Hirsute Appendages 



xl5 

 Xl5 

 xl5 

 xl5 



xl5 

 x200 



Locality 15 



„ 2 



„ 6 



„ 14 



1 



Recent Lycopod Macrospores. 



x60 



x60 



,, 21. Isoetis lacustris, Linn., .... 



,, 22a. Selaginella caulescens, Spring, , . 



226. ,, ,, Portion of zone of another individual, 



highly magnified to show the perforations. 



,, 23. Selaginella Martensii, &i\)rmg, . . x 60 



,,24. ,, kcematodes, S>T^rmg, . . x 60 



,, 25. Isoetis echinospora, Durien, . . . x 60 



JSTote.—Mj thanks are due to Mr E. Lindsay, Royal Botanic Garden, 

 Edinburgh, and to Mr G. Nicholson, Royal Botanic Gardens, Kew, for kindly 

 providing me with fruiting specimens of Recent Lycopods for the purpose of 

 comparing their macrospores with these fossils. 



