Mosses when growing in tufts should be gathered just before the capsules have become brown, divided into small flat portions, and pressed lightly in drying paper.
The leaves of most mosses are flat plates, each consisting of a single layer of square or oblong assimilating (chlorophyllous) cells.
IFor the histology of the comparatively simple but in many respects aberrant Bog-mosses (Sphagnaceae), see BRYOPHYTA.] The stems of the other mosses resemble one another in their main histological features.
~any Algae, lichens, and mosses are included among lithophytes, ai id also Saxifraga Aizoon, S.
Grasses, mosses and Arctic flowering plants are abundant, but there are no trees excepting occasional dwarf willows.