HEDWIG, Joannes. Description et Adumbration Microscopico-Analytica Muscorum Frondosorum, Leipzig, I.G. Müller, 1787-89, vols. I-II only (of 4) in one, 2°, 80 hand-coloured engraved plates (title to vol. I and 2 preliminaries repaired, occasional slight marginal staining), modern half calf [Nissen BBI 826]