524 Exflanation of Plates. 



PLATE XXXI. 



{All Figures x 500 unless otherwise stated.) 



USTILAGO. 

 Fig. 



44. Section through axis of inflorescence of Danthonia penicillata affected with 



U. readeri .. .. .,. .. .. .. . . X 100 



45. Spores of U. readeri on same, being part of specimen from Liulwig, labelled 



U. leiicoderma Berk. 



46. Spores of U. readeri from Danthonia semiannularis. 



47. Spores of U. hieronymi from Triodia mitchelli. 



