PLATE XXIX. 



Fig. 1. — Arthrinium saocharicola . Fertile hyplia. 

 Fig. 2. — Arthrinium sacchnricolo . Base of fertile hypha. 

 Fig. 3. — Arthrinium saccharicola. Conidiiim. 

 Fig. 4. — Helminthosporium saechari. Conidiuin. 

 Fig. 5. — Helminthosporium saechari. Conidiophores. 

 Fig. 6. — Spegazzinia ornaia. Conidiophore and conidia. 

 Fig. 7. — Spegazzinia ornata. Tmraatnre conidia. 

 Fig. 8. — Thielaviopsis paradoxa. Mieroeonidia. 

 Fig. 9. — Thielaviopsis paradoxa. Macroconidia. 

 Fig. 10. — Thielaviopsis paradoxa. Miero-and macro -conidio- 

 pliores. 



Fig. 11. — Tetraploa aristata. Conidimn. 



Fig. 13. — Polydesmiis sp. Conidia. 



Fig. 14. — Verticicladium graminicolum. Conidiophore, 



Fig. 15. — Verticicladium graminicolum. Conidium. 



Fig. 16. — Periconia saechari. Condidiophore and conidia. 



Fig. 17. — Periconia saechari. Mode of branching. 



Fig. 18. — Periconia saechari. Conidinm. 



Fig. 19. — Cercospora vaginae. Conidiophores. 



Fig. 20. — Cercospora vaginae. Conidia. 



PLATE XXX. 



Fig. 1. — Bormiaetella saechari. Portion of conidiophore. 

 Fig. 2. — Hormiactella saechari. Portion of conidiophore and co- 

 nidia. 



Fig. 3. — Hormiactella saechari. Mode of branching. 



Fig. 4, 5. — Hormiactella saechari. Habit sketches. 



Fig. 6. — Triehoderma lignorum. Conidiophores. 



Fig. 7. — Arthrohotrys superha. Conidiophore and conidium. 



Fig. 8. — Arthrohotrys superha. Conidinm. 



Fig. 9. — Arthrohotrys superha. Portion of fertile hypha. 



Fig. 10. — Triehoderma lignorum. Same as fig. 6. Enlarged. 



Fig. 11, 12. — Triehoderma lignorum. IMode of formation of co- 



nidia. 



PLATE XXXI. 



Fig. 1. — Himantia stellifera. Diagrammatic cros.s-scction of cane 

 rootlet, showing at X location of crystal bearing hyphae. 



Fig. 2. — Himantia stellifera. Portion of section shown in Fig. 

 1, enlarged. 



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