They possess a delicate Laticiferous layer of protoplasm, with numerous small nuclei lining Tissue the walls, while the interior of the tube (corresponding with the cell-vacuole) contains a fluid called latex, consisting of an emulsion of fine granules and drops of very various substances suspended in a watery medium in which various other substances (salts, sugars, rubber-producers, tannins, alkaloids and various enzymes) are dissolved.
In this respect the plasma behaves in a similar manner towards the sugars as does the living yeast cell.
The cell sap contains various substances in solution such as sugars, inulin, alkaloids, glucosides, organic acids and various inorganic salts.
Compounds containing an oxy in addition to an aldehydic or ketonic group) undergo both condensation and oxidation when treated with phenylhydrazine, forming compounds known as osozones; these are of great importance in characterizing the sugars (q.v.).
Of this enormous output, from 98.3% upward went to the United States;' of whose total importation of all sugars and of cane sugar the proportion of Cuban cane - steadily rising - was respectively 49.8 and 53.7% in the seasons of 1900-1901 and 1904-1905.