PLATE 1. 



Fig. 1. Equisetuni sp : 23 



Fig. 2. Sequoia sp 26 



Fig. 3. Thuites sp • 26 



Fig. 4. Taxodium, male aments 27 



Fig. 5. Ginkgo sp 23 



Fig. 6. Taxodium, male amenta , 27 



Figs. 7, 8. Monocotyledonous plant 28 



Fig. 9. Cyperacites sp 28 



118 



