PLATE 26.— Fungi. 



Figure 



1. Vertical section of a leaf of black currant, infested with JEcidium grosmlarice. 



sp, sperniogonia ; p % pcrithecia. 



2. Sterigmata (si) and spermatia (sp) from the spermogonia of JEcidium ewpJuyrUcs. 



3. Ditto, from JEcidium berberidis. 



4. Vertical section of a spermogonium of JEcidium berberidis. 



5. Botrytis infestans, young plants growing out from a stoma of a potato. 



6. Full-grown plants of the same. 6 a, spore of ditto. 



7. Torula, growing in urine (not diabetic). 



8. Grape-fungus, conidial form (Oidium Tuclceri) as commonly found on the leaves 



and fruits. 



9-11. Conidia of the same, germinating. 



12. Sporiferous form (Cicinobolus). 



13. Spores from the same. 



14. Hop-mildew, Erysiphe (JSpTicerotheca) Castagnei. a, Oidial form ; 6, b, form 



resembling Cicinobolus ; c, d, Erysiphal form ; e, spores. 



15. Fragment from the summit of a fertile filament of Penicillium glaueum. 



16. Spores of ditto, a, two still united ; 6, one detached. 



17. Section of a conceptacle of Cenangium fraxini, containing st, stylospores, and 



s, spermatia. 



18. Ergot of rye, Claviceps purpurea, Tulasne ; fruits sprouting from the ergot. 



19. Vertical section of the head of one of the fruits, bearing conceptaclcs in its 



periphery. 



20 Vertical section of a conceptacle containing asci. 



21. Asci removed from the same. 



22. Spores from the interior of the asci. 



23. Yeast-fungus {Torula cerevisice), large form at the bottom of liquid. 



24. Ditto, minute form, appearing as a white mealy substance on the surface of 



stale beer. 



25. Sphceria inquinans (a) with Stilhospora macrosperma (b) in the bark of an elm- 



tree. 



26. A portion of the common matrix separating the two, with the stylospores of 



Stilbospora (b) above, and the asci of SpTiceria (a) below. 



27. Spore of Stilbospora macrosperma. 



28. Spore of Sphceria inquinans. 



