C-BPad nal Des 
Fic. 3.—cIDIUM BERBERIDIS. 
a, Three cups; 4, An immature cup before its upper wall has ruptured; c, Mature cup; 
d, ZEcidium-spores ; e, Acidium-spore just beginning to germinate in water ; 4, g, Germina- 
tion more advanced (in water); 4, Acidium-spore which has germinated upon the cuticle of 
a Wheat-plant ; 2, Cuticle of Wheat with two spores of Acidium upon it, the germ-tubes of 
which are entering the stomata. (8 hrs.) 
From an electrotype supplied by “ The Gardeners’ Chronicle." 
