DESCRIPTIONS OF THE PLATES. 
403 
desceiptio:n' of plate iv. 
Mhizomyces ctenophonis Thaxter. 
Fig. 1. Mature individual, showing a fragment of the host's integument adherent between the 
rhizoids and the basal cell. A 12. 
Fig. 2, Spore. 1)4. 
Fig. 3. Rhizoids, but slightly broken, from another individual. D 2. 
Fig. 4. Portion of axis of antberidial appendage showing antheridial branch with three antheridia 
at its base, and sterile terminal branchlets. A 2. 
1 
Lahoitlbeiiia Orectogyri Thaxter. 
Fig. 5. Mature individual. A 12. 
Rhaclioviyces arhuscidus Thaxter. 
Fig. 6. Mature individual. A 12. 
Fig. 7. Spore. D 4. 
Eyiay 
Fig. 8. Mature individual with three mature and three aborted perithecia. 
Fig. 9. Spore. D 4. 
Fig. 10. Tip of young perithecium, showing cell-structure. D 4. 
Fig. 11. Process from one of dorsal lip-cells of mature perithecium. D 4. 
A 12. 
•• 
Dlmeromyces africanus Thaxter. 
A 12. 
Figs. 12, 13. Mature female individuals with one and three mature perithecia respectively 
Fig. 14. Young female individual, showing origin of perithecia and appendages. A 12. 
Fig. 15. Mature 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. -^ 4. 
Fig. 17. 
(remains of ?) trichogyne. -jV 
X, 
