No. 3 exhibits the various stages of germination of one of the conidia of = Phytophthora infestans =: (= a =) the ripe conidium in water; (= b =) protoplasmic contents breaking up into blocks, which separate and escape.    From Wordnik.com.  [The Culture of Vegetables and Flowers From Seeds and Roots 16th Edition] Reference

"On none of the five nights did a single conidium alight on the slides.    From Wordnik.com.  [Scientific American Supplement, No. 595, May 28, 1887] Reference