PESTS OF THE FLOWER GARDEN. 



405 



Fig. 23. — Ramularia lactea, Desin.— a, threads and conidia x 



24. — Peronospora Viola, DBy. Hypha with conidia x 



25. — Alternaria Violce, Gall. — a. conidia; 6, germinating x 



26. — Cercospora Violce, S. — a, hyphae and conidia x 



27. — Phyllosticta Dianthi, West.— a, section of perithecium enlarged ; &, 



sporules x 



28. — Ascochyta Dianthi, A. & S. With sporules x 



29. — Septoria Lychnidis, Desm. With sporules x 



30. — Peronospora parasitica, DBy. Hypha with conidia x 



31. — Septoria sinarum, Speg. — a, section of perithecium enlarged ; b, sporules x 



32. — Marsonia Delastrei, De Lacr.— b, conidia x 



33. — Ustilago violacea, Pers. — a, anther ; b, spores x 



34. — Sorosporium Saponarice, Rud. — a, glomerule of spores x 



35. — Puccinia Dianthi, Nssl. — a, uredospores ; b, teleutospores x 



36. — Puccinia Silenes, Schr.— a, uredospores; b, teleutospores x 



37. — Uromyces Dianthi, Nssl. — a, uredospores; b, teleutospores x 



38. — Macrosporium nobile, Vize. — a, conidium x 



39. — Heterosporium echinulatum, Berk. — a, threads with conidia x 



40. — Bacterium Dianthi, Ar. & B. — a, sporules x 2,000 



41. — Phyllosticta destructiva, Desm. — a, section of perithecium enlarged ; b, 



sporules x 



'42.— Puccinia malvaccarum, Corda. — a, teleutospores x 



43. — Colletotrichum Althcece, South. — a, conidia x 



44. — Melampsora hypericorum, DC. — a, uredospores ; b, teleutospores x 



45. — Fusarium Pelargonii, Cooke.— a, conidia x 



46. — Glceosporium Pelargonii, C. & M a, conidia x 



47. — Uredo Tropceoli, Desm. — a, uredospores x 



48. — Uromyces Anthyllidis, Grev. — a, uredospores ; b, teleutospores x 



49. — Septoria rosarum, West. With sporules x 



50. — Actinonema Rosce, Lib. With sporules x 



51. — Phragmidium subcorticium, Sch. — a, uredospores ; b, eleutospore x 



52. — Peronospora sparsa, Berk. Portion of thread with conidia x 



53. — Botryosphceria diplodia, Moug. With asci and sporidia x 



54. — Sphcerotheca pannosa, Lev. - a, conidia; b, conceptacle ; c, ascus and 



sporidia x 



55. — Septoria CEnotherce, West. With sporules x 



56. — Phyllosticta Lonicera, West. - a, section of perithecium enlarged ; b, 



sporules x 



57. — Lasiobotrys Lonicerce, Kunze. With asci and sporidia x 

 5S.-Oidium Chrysanthemi,Ha:bh.--a, conidia x 



59. — Uredo Chrysanthemi, Arth. — a, uredospores x 



60. — Puccinia Centaurece, DC. — a, pustule on stem enlarged ; b, uredospores x 



61. — Coleosporium Senecionis, Pers. — a, uredospores x 



62. — Phoma devastatrix, B. & Br. — a, receptacle enlarged ; b, sporules x 



63. — Puccinia Gentianai, Sw. — a, uredospores ; b, teleutospores x 



64. — Phyllosticta primulcecola, Desm. — a, section of perithecium enlarged and 



sporules x 



65 — Ascochyta Primula, Trail. With section of perithecium enlarged; and a, 

 sporules x 



66. — Septoria Primulce, Berk. With section of perithecium enlarged ; a, 



sporules x 



67. — Ovularia inter stitialis, Berk. Threads with conidia x 

 68 — Ramularia Primulce, Thum. — a, threads with conidia x 



69. — Uromyces Primulce, DC. With teleutospores x 



70. — Puccinia Primulce, DC. - a, uredospores ; b, teleutospores x 

 70*. — Peronospora Candida, Fckl. Resting spore x 



71. — Heterosporium Auriculce, Cooke. — a, threads with conidia x 



72. — Puccinia Vincce, Berk. — a, uredospores ; b, teleutospore ; c, recidiospore 



germinating x 



73. — Marsonia Ipommce, C. & M.— a, conidia x 



74. — Oidium erumpens, Cooke. — a, tuft enlarged ; b, conidia x 



75. — Urocystis primulicola, Magn. — a, glomerules x 



76. — Ramularia Petunice, Cooke a, threads with conidia x 



77. — Septoria Lavandulce, Desm. — a, section of perithecium enlarged ; b, 



sporules x 



78. — Peronospora, Hyoscyami, DBy. Portion of thread with conidia x ; a, 



conidium germinating x 



79. — Uredo filicum, Desm.— a, uredospores x 



80. — Botrytis elliptica, Berk. Portion of thread with conidia x 



