FIG. 67. Rosellinia radiciperda. i, ascigerous condition ; 2, perithecia ; 

 3, section of same ; 4, ascus containing 8 spores, also two paraphyses ; 

 5, tip of an ascus after treatment with iodine, showing the arrangement for 

 effecting the opening of the ascus for escape of spores ; 6, ascospores, one 

 germinating ; 7, brown mycelium with swellings ; 8, black sclerotium 

 bearing a cluster of conidial fruit ; 9, a single conidiophore ; 10, conidia ; 

 IT, pycnidiutn ; 12, stylospores from same. (From Kew Bulletin.} Fig. i 

 nat. size ; remainder variously mag. 



