Half-hours with the microscope; being a popular guide to the use of the microscope as a means of amusement and instruction (1863)
Lankester, Edwin, 1814-1874 · London, R. Hardwicke · leaf 85
rm-like body, which acts the part of thepollen in higher plants. The megaspores are muchlarger. They represent the spores of ferns, andproduce an expanded membrane, on which growthe true representatives of the ovules, whichcoming in contact with the microspores, new plantsare produced. Another…
Microscopy
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