!32 Exflanalion of Plates. 



PLATE XXXV. 



[All Figures x 500 unless otherwise stated.) 



CINTRACTIA CRUS-GALLI. 



Fig. 



72. Spores from Panicuiii crus-galli. 



73, 74. Spores and mycelium of the same. 



75, 76, 77, 78. Germinating spores of the same. 



79. Longitudinal section through two swellings caused by the smut on an internode of 



the stem. The hairy epidermis is seen covering the smut, and plate-like 

 branching outgrowths pass from the stem into the pustule (after 

 Magnus) . . . . . . . . . . . . . . enlarged 



80. Transverse section through the base of the pustule, showing the formation of spores. 



The spores are in rows, the youngest towards the base, and hyphae with 

 elongated segments between the rows (after Magnus) «. .,. x 750 



