Palisade and spongy-parenchyma cells were isolated from the leaves of a number of mesomorphic dicotyledons by simply brushing the upper and lower sides, respectively, of the leaves with nylon brushes.
American Journal of Botany, Vol. 69, No. 6 (Jul., 1982), pp. 957-972 (16 pages) The chaparral species Fremontodendron californicum ssp. californicum and the cloud forest species Cheirostemon ...