Transcriber’s Notes.

The Encyclopædia cross-references “Concordia” and “Key-flower”: these plants do not have separate entries, and the references have been left unlinked.

The index entry “Planetary Government of Plants” was printed without a page number. A duplicate index entry for “Bech” has been removed.

In the original book, repeated text in some tables and the index was indicated by dittos; here, repeated text is copied in full.

Variant spelling and inconsistent hyphenation have been preserved as printed; simple typographical errors such as doubled words and letters have been corrected. Punctuation has been standardised, and unbalanced quotation marks and parentheses have been repaired.

The following changes have also been made (the changed text follows the original):