Fig. 7. Fig. 8. 
Explanation of Figures. 
Fig. 7. Plant from W. H. Long, Jr. Texas, U. S. A. Fig. 8. Spores (x 1000). 
SECOTIUM COARCTATUM. 
Fig. 12. 
Fig.11. 
Explanation of Figures. 
Fig. 9 and 10. Type specimens at Kew. Fig. 11. Section. Fig. 12. 
Spores (x 1000). 
SECOTIUM MELANOSPORUM. 
Fig. 19. 
Fig. 9. 
