EXPLANATION OF PLATES. xi 



FIG. 21. Fumago vagans, Pers. Hyphee with conidia x 400. 



22. Chromosporium pactolinum, Cooke. a, chain of spores x 400. 



23. Zygosporium oscheoicles, Mont. a, b, hyphse with conidia x 400. 



24. Phyllosticta Stephanotidis, Grove. With sporules x 400. 



25. Phyllosticta Draconis, B. & W. With sporules x 400. 



26. Monilia pruinosa, C. & M. With conidia x 400. 



27. Saccharomyces Glutinis, Cohn. With conidia x 400. 



28. Uredo Lynchii, Berk. Enlarged sori, with uredospores x 400. 



29. Cladosporium Orchidearum, C. & M. 



29*. Glceosporium Vanillce, C. & M. Section of pustule with sporules x 400. 



30. Glceosporium Bidgoodii, Cooke. a, section of pustule ; b, sporules x 400. 



31. Glceosporium cinctum, B. & C. With sporules x 400. 



32. Graphiola Phcenicis, Poit. a, section ; b, hypha and conidia * 400. 



33. Heterosporium minutulum, C. & M. Hyphse with conidia x 400. 



PLATES XVI., XVII., XVIII. 

 PESTS ORNAMENTAL SHRUBBERY. 



FIG. 1. Exobasidium Rhododendri, Cram. a, cluster of galls; b, basidium with 



spores x 350. 



2. Phyllosticta Arbuti, Desm. a, section of perithecia ; b, conidia x 400. 

 3. Septoria Unedonis, Rob. a, section of perithecium ; b, conidia x 400. 

 4. Phyllosticta Cookei, Sacc. a, section of perithecium ; b, conidia x 400. 

 5. Gapnodium Footii, Harv. Perithecia with mycelium and sporules x 400. 

 6. Phyllosticta tinea, Sacc. a, section of perithecia ; b, conidia x 400. 

 7. Phyllosticta Ligustri, Sacc. a, section of perithecia ; b, conidia x 400. 

 8. Phyllosticta limbalis, Pers. a, section of perithecium ; b, conidia x 400. 

 9. Puccinia Buxi, DC. a, teleutospore x 400. 

 W. Phyllosticta hedericola, D. & M. a, section of perithecium ; b, conidia 



x 400. 



11. Septoria insularis, B. & Br. a, section of perithecium ; b, conidia x 400. 

 12. Septoria Hederce, Desm. a, section of perithecia ; b, conidia x 400. 

 13. Glozosporium paradoxum, De Not. a, section of pustule ; b, conidia x 400. 

 14. Phyllosticta nuptialis, Thiim. a, section of perithecium ; b, conidia 



x 400. 



15. Phyllosticta Phillyrece, Sacc. a, section of perithecium ; b, conidia x 400. 

 16. Uredo Phillyrece, Cooke. a, pustule enlarged ; b, uredospore x 400. 

 17. Phyllosticta sanguinea, Desm. a, section of perithecium ; b, conidia 



x 400. 

 18. Phyllosticta ruscicola, D. & M. a, section of perithecium ; 6, conidia 



x 400. 

 19. Phyllosticta Mahonice, S. & S. a, section of perithecium ; 6, conidia 



x 400. 



20. Ovularia Berberidis, Cooke. a, hyphse with conidia x 400. 

 21. Glceosporium Berberidis, Cooke. a, section of pustule ; b, conidia x 400. 

 22. Microsphcera Berberidis, DC. a, tip of appendage ; b, ascus and sporidia 



x 400. 

 23. jEcidium Berberidis, Gmel. a, cluster-cups, enlarged ; b, ascidiospores 



x 400. 

 24. ufficidium crassum, Pers. a, section of cluster- cups, enlarged ; 6, aecidio- 



spores x 400. 

 25. Microsphcera divaricata, Wallr. a, tip of appendage, enlarged ; b, ascus 



and sporidia x 400. 

 26. Microsphcera Hedwigii, Lev. a, tip of appendage, enlarged ; b, ascus and 



sporidia x 400. 



27. Cceoma Euonymi, Gmel. a, uredospores x 400. 

 28. Microsphcera Euonymi, DC. a, tip of appendage, enlarged ; b, ascus and 



sporidia x 400. 



29. Phyllosticta cornicola, DC. a, conidia x 400. 



30. Septoria cornicola, Desm. a, section of perithecium ; b, conidia x 400. 

 31. Erysiphe tortilis, Wallr. Receptacle with appendages ; a, ascus and sporidia 



x 400. 



32. Ovularia Syringes, Berk. Tuft of hyphae bearing conidia x 400. 

 33. Microsphcera Lycii, Lasch. a, tip of appendage ; b, ascus and sporidia 



x 400. 

 34. Fusidium Deutzice, Cooke. a, tuft of conidia ; b, conidia x 400. 



