Icones Filicum, ad eas potissimum species illustrandas destinatae, quae hactenus, vel in herbariis delituerunt prorsus incognitae, vel saltem nondum per icones botanicis innotuerunt; Figures and Descriptions of Ferns, principally of such as have been altogether unnoticed by Botanists, or as have not yet been correctly figured, in Two Volumes, Vol. I- containing Plates I.-CXX.