PLATE L 



Strawberry cells attacked by Rhizopus sp. A, Normal storage cell of strawberry; 

 B, storage cell (near hyplise) showing a slight contraction of the protoplasm; C, D, E, 

 F, G, progressive contraction of protoplasm of host cells near hyphse (the cell walls 

 have contracted very little) ; H, I, J, strawberry cells near hyphae in which the cell 

 wall has crumpled with the contraction of the protoplasm; K, M, hyphae inside cells; 

 L, hyphae growing between cells of the strawberry; K, L, M are drawn from berries 

 which had been rotted in the desiccator. (X 210.) 



