"Cystoliths from the leaf of Ficus carica. A, complete cystolith; B, cystolith from which the calcium carbonate has been removed for use in other parts of the plant. B is from a leaf that had fallen off in autumn." -Stevens, 1916

Cystoliths

"Cystoliths from the leaf of Ficus carica. A, complete cystolith; B, cystolith from which the calcium…