"Heterosporous" Quotes from Famous Books
 ... leading from the equisetums by the calamites. Still further back the characters, afterwards separated in the club-mosses, mare's-tails, and ferns, were united in the rhizocarps, or, as some prefer to call them, the heterosporous filicinae." ...
— The Story of a Piece of Coal - What It Is, Whence It Comes, and Whither It Goes • Edward A. Martin |
