Changed "Hypholama" to "Hypholoma" on page 175: "Habit of Hypholoma fasciculare."
Changed "Sub-genera" to "Subgenera" on page 177: "Key to the Subgenera."
Changed "sub-bulbous" to "subbulbous" on page 177 for consistency: "subbulbous base." Also on page 197: "subbulbous base."
Changed "fucescent" to "fuscescent" on page 188: "fuscescent with a grey bloom."
Sometimes, as on page 208, the Micro character is included with the spore size. I left these where they occurred in the original.
Inserted comma after "free" on page 230: "g. free, white then black."
Removed extra period after "in" on page 236: "in p. being globose."
Inserted periods after "Jacobasch" and ")" on page 238 for consistency: "Jacobasch. (= Cop. intermedius Gill.)."
Changed "+" to "×" on page 240: (Pallassii) "sp. 12 × 4."
Added missing ")" to close paragraph on page 246: "British Fungi.')"