"Fagus sylvatica; 1. male catkins; 2. female do.; 3. the latter, with the scales of the involucre stripped…
"Myristica fragrans. 1. a flower; 2. a column of stamens; 3. a section of a female showing the ovary…
"Acorn and cupule of Quercus Skinneri, natural size; 2. cross section of the acorn, showing the lobed…