Both "Huseman" and "Husemann" appear; perhaps they refer to the same person, but I couldn't be sure, so I left them as is.
There is little consistency about when names are italicized or placed in quotes. Except where noted below, I left them as typeset in the original.
Changed "filamentose" to "filamentous" on page 7 of part 1: "filamentous network."
Changed "sub generas" to "subgenera" on page 9 of part 1: "of the subgenera."
Changed "Pratelę" to "Pratellę" on page 11 of part 1, in Dr. M. C. Cooke's subdivisions.
Changed "puffball" to "puff-ball" on page 13 of part 1: "and the puff-ball."
Changed "II" to "I" on page 17 of part 1 to match the illustrations: "illustrated in Plate I."
Changed "mycophogists" to "mycophagists" on page 18 of part 1: "with most mycophagists."
Changed "micaceous" to "micaceus" on page 19 of part 1: "Coprinus micaceus."
Changed "plain" to "plane" on page 20 of part 1: "then nearly plane."
Changed "parsely" to "parsley" on page 22 of part 1: "with parsley chopped."
Changed "channeled" to "channelled" on page 23 of part 1: "Canaliculate, channelled."
Changed "Channeled" to "Channelled" on page 23 of part 1: "Channelled, hollowed out like a gutter."
Changed "clustured" to "clustered" on page 24 of part 1: "little clustered grains."
Changed "charactertistics" to "characteristics" on page 3 of part 2: "the distinguishing characteristics."
Changed "mushroon" to "mushroom" on page 5 of part 2: "common field mushroom."
Changed "paraphesis" to "paraphyses" on page 7 of part 2: "spore sack and paraphyses."
Changed "Saac." to "Sacc." on page 8 of part 2: "Mitrula vitellina Sacc."
Changed "tetrasporus" to "tetrasporous" on page 9 of part 2: "being entirely tetrasporous."
Changed "agaricus" to "Agaricus" on page 16 of part 2: "Agaricus arvensis."
Changed "mid-western" to "midwestern" on page 17 of part 2: "and midwestern States."
The arithmetic doesn't work out right for the third house of the Pennsylvania grower on page 17 of part 2. Perhaps it produced 28,000 pounds rather than 2,800. However, I left it as it was.
Removed duplicate word "the" on page 20 of part 2: "add to the manure."
Changed "surfare" to "surface" on page 20 of part 2: "surface be too dry."
Changed "POLYPOROUS" to "POLYPORUS" on page 24 of part 2.
Changed "deletereous" to "deleterious" on page 3 of part 3: "classed as deleterious."
Changed "yellew" to "yellow" on page 4 of part 3: "never yellow."
Changed "flexuous" to "flexuose" on page 4 of part 3: "thin, flexuose."
Student's Hand-Book of Mushrooms of America, Edible and Poisonous · The Wunder Library — complete classics, free to read, with narration.