Cahan

First edition.
Work illustrated with 14 plates, some of which were bound upside down and show clear dampstaining.
Rare.

First edition printed in a small number of copies, in two fascicles, of this offprint from the Revue bryologique.
Light foxing.
Copy presented in plain temporary wrappers, with title label pasted to the front cover.
Rare fascicles.

Second edition.
Work decorated with 23 plates illustrated with approximately 1800 figures.
Handsome copy.

First edition printed in a small number of copies.
A rare and good copy, softcover.

First edition.
Work illustrated with 79 plates for the first volume and 125 plates for the second.
A slight tear of no consequence at the foot of the spine of the first volume, handsome copy.