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Grinnell, Iowa, July 31, 1891.
Prof. C. E. Bessey,
Lincoln, Nebr.
Dear Sir--
Thinking you might be interested to know what I am about in a botanical way I therefore write. I have been at work this week getting material ready for laboratory work in morphological botany. I have had the worst difficulty right at the start. I took some of the green colored bark of north side of elm trees and kept it in a moist place a day or so. Their mounting some of the slime in water and watching it under the microscope a few minutes I say myriads of two tailed zoospores break out of green 4-celled bodies which I had at first taken for Protococci. Each 4 celled body gave rise to 8 zoospores. I don't know much about Protococcus and confirm nothing here. What sort of an alga did I have? With the rest of the material I had