262 Explanation of Plates. 



PLATE L. 



{All Figures x 500 unless othenoise slated.) 



TILLETIA AND ENTYLOMA. 



Fig. 



180, 181. Spores of T. striaejormis from Rye grass. 



182. Spores of same from Poa annua. 



183. Spore of so-called T. epiphylla Berk, on Zea mays, from type material, showing 



germ-pores, and proving it to be really a uredospore of Puccinia maydis. 



184. Spores of Entyloma eugeniarum. 



185. Section of leaf of Eugenia through sorus of same . . . . • . . x 100 



