EXPLANATION OF PLATES. XI 



Fig. 21. — Fumago vagans, Pers. — Hyphse with conidia x 400. 



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



23. — Zygosporium oscheoidcs, 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 Vanilla, C. A: 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 PJicenicis, Poit. — a, section ; b, hypha and conidia > 400. 



33. — Heterosporium minutulum, C. * M. — Hyphre 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. 

 a.— Capnodium 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. 

 10. — Phi/llosticta hedcricola, D. d r M. — a, section of perithecium ; b, conidia 



x 400. 

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

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

 13. — Glceosporium 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; b, conidia 



x 400. 

 19. — Phyllosticta Mahonice, S. & S. — a, section of perithecium ; b, 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, aecidiospores 



x 400. 

 24.— JEcidium crassum, Pers. — a, section of cluster-cups, enlarged ; b, 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 ; 6, conidia x 400. 

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



x 400. 

 32. — Ovularia Syrmgce, Berk. — Tuftofhyphae 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. 



