Fig. 184. Oidium (Ergotaetia) abortifaciens.

A, Sporidia. B, C, E, F, G, H, different modes of reproduction in water. D, Membrane of sporidium laid open. I, the fungus assuming a radiated form, and beginning to develope sporidia upon its branches in water.

This image is from Ergot in Pereira's Elements of Materia Medica and Therapeutics, 1854.