426 
DESCEIPTIONS OF THE PLATES. 
DESCRIPTION OF PLATE XXIV. 
Ceratomyces mirabi^ Thaxter. 
Fig. 1. Mature individual, showing spores and asci within the perithecium. A 12. 
Fig, 2. Younger individual, surface view, A 12. 
Fig. 3. Young individual. A 12. 
Fig. 4. The same, enlarged to show the cell-structure at the base of the appendage. The young 
trichogyne is developing at the right. D 12. 
Fig, 5. Young individual, the branched trichogyne arising between the base of the appendage 
and tiie developing perithecium. A 12. 
Fig. 6. Individual younger than the last with simple trichogyne, and two conjugating anthe- 
rozoids(?). A 12. ' 
Fig. 7. The same, showing the base of the trichogyne and its cell-connections. The perithecium 
just beginning to develop at the left. Compare the younger condition seen in fig. 4. D 12. 
Fig, 8. Growing tip of 
D 4. 

Fig. 9. Ascus with ascospores. D 4. 
Fig. 10. Ascospore. D 4. 
Ceratomyces confusus Thaxter 
Figs. 11, 12. Two mature individuals. A 12. 
Ceratomyces camptosporus Thaxter 
Fig. 13. Pair of ascospores. I) 4. 
Fig. 14. Mature individual. A 12. 
Ceratomyces JiUform is Thaxter. 
Figs. 15, 16. Two mature individuals. A 12. 
Fig. 17. Ascospore. D 4. 
Fig. 18. Matur 
Ceratomyces rostratus Thaxter. 
A 12. 
Fig. 19. ^Ascus with immature ascospores. D 4. 
antherozoMs"'*^ A 1°^"^ i"*^ividuals in various stages of development. Figs. 23, 24 showing exogenous 
Fig. 24. Portion of fertile branch, showing antherozoids. D 12. 
Fig. 2o. Ascospore. D 4. 
Ceratomyces rostratus var. 
Fig. 2G. Mature individual. A 12. 
Fig. 27. Ascospore. D 4. 
