—, isolating for examination, [38]
—, microscopic features, [32]
—, nature of, [1]
— of dicotyledonous stems, [33]
— of monocotyledonous stems, [33]
—, physical structure, [30]
—, raw, analysing, [42]
—, reagents for examining, [36]
—, sections for examination, [38]
—, separation, [34]