Acorn Small 235×320 Medium 470×640 Large 752×1024 Download Tiff Original 1762×2400 | (475.2 KB) Description Half of an acorn, cut lengthwise, filled by the very thick cotyledons, the base of which encloses the minute caulicle. Keywords Botany, flowers, plants, pollen, pollination, seed Galleries Oak Trees, Trees: A Source: Asa Gray The Elements of Botany for Beginners and for Schools (New York, Cincinnati, Chicago: American Book Co., 1887)
