244 Explanation of Plates. 



PLATE XLI. 



{All Figures x 500 unless otherwise stated. 

 SOROSPORIUM. 



115. Spove-haWs oi S. consanguineum irom Aristidd hehriana .. .. x 250 



UG. Spores of same. 



117. Spore-balls of (S. erj«.c/»ies .. .. .. .. .. x 260 



118. Spores of same, with one large lemon-coloured smooth cell. 



119. Spore-balls of iS. mix-^Mwi from Eriochloa .. .. .. .. x 250 



121). Spores of same, sectional view. 



121. Spores of same, sm-face view showing warts. 



122. Spore-balls of S. mixtum from Massee's type material of Tilletia mixta on 



Eriochloa . . . . . . . . . . . . . . X 250 



123. Spores of same, sectional view. 



124. Spores of same, surface view showing warts. 



