PLATE 27.— Fungi. 



Highly magnified. 



Figure 



1. Part of hymeniuni of Agaricus trechispora, with sporophores, spores, and cysti- 



dium. a, spore. 



2. Sporophore with spores of Agaricus nebidaris. 



3. Fertile threads of Tremella mesenterial, with lobed sporophores and elongated 



spicules, one of which bears a spore. 



4. Threads of the same, bearing conidia. 



5. Spores of Dacrymyces sebaceus, producing secondary spores. 



6. Sporophore of Geaster rufescens, with its spicules and spores. 



7. Sporophore of Cyathus striatus, with spores. 



8. Sporophore of Bhizopogon luteolus, with spores. 



9. Threads and cysts containing spores of Enerthenema elegans. 



10. Germinating spore and amoeboid of Stemonitis obtusata. 



11. Spores springing from the wall of the perithecium in Hendersonia elegans. 



12. Spores of Sporidesmium atrum. 



13. Germinating pseudo-spore of Tilletia caries. «, further development oi 



anastomosing threads ; b, the same producing a secondary spore. 



14. Zoospore of Cystopus oandidus. 



15. Thread with spores of Spondylocladium fumosum, 



16. Peronospora curta. 



17. Zoospore of Peronospora vmbelliferarum. 



18. Ascus and paraphysis of Peziza hydnicola ; a, conidia. 



19. Stylospores of Oenangium fraodni ; a, spermatia of same. 



20. Conidiiferous threads of Sphwria cupulifera ; a, sporidia. 



21. Mucor (Aseopliora) rhizopogonis, with an entire and ruptured vesicle with its 



columella ; «, spores of same. 



22. End of filament of male plant of Saprolegnia dioica. 



23. Spermatozoids. 



24. Oogonium of same. 



25. Tip of male plant of the same, producing globular bodies filled with spermatozoids. 



26. Young oogonium of the same, with antheridium attached. 



27. Zoospore of Saprolegnia lactea. 



