Microscopic view of cork and sprouts

Engravings from Schem. 11 of the first edition of Robert Hooke's seminal volume, Micrographia : or, Some physiological descriptions of minute bodies made by magnifying glasses. With observations and inquiries thereupon. Depicted here are cork (Figures A and B) and sprouts (Figure 2), which are the subject of Hooke's experiments in Observ. XVIII.