This illustration shows the formation of starch.
Emmet S. Goff and D. D. Mayne, First Principles of Agriculture (New York: American Book Company, 1904) 27
TIFF (full resolution)
2104×2400, 716.3 KiB
Large GIF
897×1024, 102.6 KiB
Medium GIF
561×640, 55.0 KiB
Small GIF
280×320, 20.5 KiB