Entomogenous Fungi. 453 



Isaria farinosa, Plate lY. 



3L. Germination of conidia after one day. 



32. Colony after two days. 



33. Threads bearing conidia, after six days. 



Svorotrichum minimuTn. Plate IV. 



34. Germination of conidia, after two days. 



35. Cylindrical spores borne in the agar, after two days. 



36. The some after three days. 



37 and 38. Threads bearing conidia after eight days. 



CJordycejps militaris. Plate Y. "" 



39. Asci. 



40. Segment of spore. 



41. Connected segments of spores in agar, twenty hours. 



42. 43, and 44. Spore-segments germinating after forty hours. 

 45 and 46. Colonies after three days. 



47-51. Threads bearing conidia, six days after sowing. 

 52 and 53. Immature perithecia in potato cultures. 



Cordyceps melolonthoB {?) Plate YI. 



54. Conidia. 



55. Conidia, germinating after three days. 



56. 57, 58, 59. Portions of colonies showing oval bodies in the 



agar. 



60. Oval body detached, 



61. Colony after four days. 



Isarias anisoplicB. Plate YI. 



62. Conidia, germanating in agar after one day. 



63. Conidia germinating in agar, after two days. 



64. Colonies after three days. 



• 65 and 66. Threads after six days. 

 67 and 68. Conidia-bearing heads and conidia. 



Isaria anisoplim americana. Plate YII. 



69. Conidia in agar. 



70. Conidia germinating in agar, after forty -eight hours. 



71. Colony after tbree days. 



72. Colony after seven days. 



73. 74, and 75. Heads bearing conidia. 



