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DESCRIPTIONS OF THE PLATES. 



DESCRIPTION OF PLATE X. 



Teratomyces brevicaulis Thaxter. 



Fig. 1. Mature individual with three perithecia. A 12. 

 Fig. 2. Single appendage. D 4. 

 Fig. 3. Spore. D 4. 



Teratomyces mirabilis Thaxter. 

 Fig. 4. Mature individual with two perithecia, one immature. A 12. 



Fig. 5. Single appendage from mature individual. The antheridia and lateral branches have 

 been broken off towards its base. D 4. 



Fig. 6. Young appendage bearing a row of antheridia at the left. D 4. 

 Fig. 7. Spore. D 2. 



Teratomyces Quedianus Thaxter. 



Fig. 8. Mature individual. 



Teratomyces Actobii Thaxter. 

 Fig. 9. Mature individual. A 12. 



Fig. 10. Individual not quite mature with three perithecia. The base of the trichogyne still 

 adherent to that on the right, the two at the left seen in optical section before any spores have been 

 discharged. A 12. 



Fig. 11. Appendage with antheridia and two discharged antherozoids. D 4. 

 Fig. 12. Mature appendage. Two old antheridia near the base. D 4. 

 Figs. 13-15. Young individuals in various stages of development. D 4. 

 Fig. 16. Spore. D 4. 



Fig. 17. Trichogyne and young perithecium seen in optical section. D 4. 



Diplomyces Actobianus Thaxter. 



Figs. 18, 19. Mature individuals, posterior and anterior views. A 12. 

 Fig. 20. Young individual. D 4. 

 Fig. 21. Spore. D 4. 



Ehachomyces LatJirobii Thaxter. 



Fig. 22. Mature individual with two perithecia. The receptacle has apparently become pro- 

 liferous through the abortion of the first perithecium. The longer appendages are broken. A 12. 

 Fig. 23. Mature individual of typical form. A 12. 



