PLATE XXIV. 



Fig. 1. — Cercospora vaginae. X 1/2. 



Fig. 2. — Melanconium saccharimim X 2. 



Fig. 3. — Spegazzinia ornuta. X 4. 



Fig. 4. — Phyllosticta sacchari. Slightly reduced. 



PLATE XXV. 



Fig. 1. — Leptosphaeria sacchari. X 1. 

 Fig. 2.— The "smaller" leaf spot X 1. 

 Fig. 3. — Sclerotium Folfsii. X 2. 

 Fig. 4. — Hormiactella sacchari. X 2. 

 Fig. 5. — Arcyria cinera. X 2. 

 Fig. 6.— Eed stripe of the leaf. X 1/0. 



PLATE XXVI. 



Fig. 1, 2. — SphaerohoJus stellafus. Gross appearance. 



Fig. 3. — Sphaeroholus stellatus. Spores. 



Fig. 4. — Asterostroma cervicolor. Stellate appendage of mycelium. 



Fig. 5. — Same, immature condition. 



Fig. 6, 7. — Asterostroma cervicolor. Basidia and spore. 



Fig. 8, 9. — Marasmius scbcchari. Gross appearance. 



Fig. 10. — Marasmius sacchari. Spore. 



Fig. 11. — Oclo))fia >;acr]iar{. Cystidiuin. 



Fig. 12. — Odontia sacchari. Basidium with one spore. 



Fig. 13. — Pcniophora sp., Basidium and spores. 



Fig. 14. — Peniophora sp., Cystidium. 



Fig. 15, 17. — Maras})iius horinqiiensis. Gross appearance. 



Fig. 16. — Marasmius horinqiiensis. Spore. 



Fig. 18. — Trogia sp. Gross appearance. 



Fig. 19. — Trogia sp. Spore. 



PLATE XXVII. 



Fig. 1. — Hypocrea rufa. Diagrammatical section of stroma, show- 

 ing position of peritheeia. 



Fig. 2. — Hypocrea rufa. Ascns and spores. 



Fig. 3. — Tapesia sp. Apothecia in various stages. 



Fig. 4. — Tapesia sp. Ascns and spores. 



Fig. 5. — Tuheixularia saccharic ola. Diagrammatic vertical section 

 of sporodochia. 



Fig. 6. — Tvhercularia saccharicola. Spores. 



Fig. 7. — Tnhcrcularia saccharicola. Conidioi)hores. 



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