Observationes, Mycologicae, Lipsiae, 1796-99, A scientific illustration showcasing various botanical specimens, labeled with figure numbers for reference. Each specimen is meticulously detailed, highlighting unique textures and structures. The collection features a large, bushy form at the top, followed by a series of distinct shapes including elongated and curled forms, as well as spiraled and spherical elements. Each figure is accompanied by letters denoting specific parts or characteristics, aiding in the study and identification of these natural specimens. The illustration serves as a valuable resource for botanical research and education.