DESCRIPTIONS OF THE PLATES. 



403 



DESCRIPTION OF PLATE IV. 



Rhizoriyces ctenophorus Thaxter. 



Fig. 1. Mature individual, showim, a fragment of the host's integument adherent between the 

 rhizoids and the basal cell. A 12. 

 Fig. 2. Spore. D 4. 



Fig. 3. Rhizoids, but slightly broken, from another individual. D 2. 



Fig. 4. Portion of axis of antheridial appendage showing antheridial branch with three antheridia 

 at its base, and sterile terminal branchlets. ^ 2. 



Laboulbenia Orectogyri Thaxter. 

 Fig. 5. Mature individual. A 12. 



Rhachomyces arbusculus Thaxter. 



Fig. 6. Mature individual. A 12. 

 Fig. 7. Spore. D 4. 



Enarthromyces indicus Thaxter. 



Mature individual with three mature and three aborted perithecia. A 12. 

 Spore. D 4. 



Tip of young perithecium, showing cell-structure. D 4. 

 Process from one of dorsal lip-cells of mature perithecium. D 4. 



Dimeromyces africanus Thaxter. 



Figs. 12, 13. Mature female individuals with one and three mature perithecia respectively. 

 A 12. 



Fig. 14. You'ig female individual, showing origin of perithecia and appendages. A 12. 

 Fig. 15. Ma 4 > are male individual with two antheridia. A 12. 



Fig. 16. Optical section of antheridium, showing mature antherozoids free within the cavity of 

 the antheridium neck and in process of formation from the antheridial cells. T V 4. 

 Fig. 17. Young perithecium, showing (remains of ?) trichogyne. 2. 



Fig. 8. 

 Fig. 9. 

 Fig. 10. 

 Fig. 11. 



