. Elementary botany. Botany. PLANT FAMILIES: LILIACEJZ. 253 The smaller plants have no flower and but one leaf, while the bulb is nearer the surface. Each year new bulbs are form- ed at the end of run- ners from a parent bulb. These run- ners penetrate each year deeper in the soil. The deeper bulbs bear the flow- er stems. 490. Genus lili- um.—While the lily differs from either the trillium or ery- thronium, yet we recognize a rela- tionship when we compare the peri- anth of six colored parts, the 6 stamens, and the 3-sided and Fis- 325- . 1 . Adder-tongue (erythronium). At left below pistil,
. Elementary botany. Botany. PLANT FAMILIES: LILIACEJZ. 253 The smaller plants have no flower and but one leaf, while the bulb is nearer the surface. Each year new bulbs are form- ed at the end of run- ners from a parent bulb. These run- ners penetrate each year deeper in the soil. The deeper bulbs bear the flow- er stems. 490. Genus lili- um.—While the lily differs from either the trillium or ery- thronium, yet we recognize a rela- tionship when we compare the peri- anth of six colored parts, the 6 stamens, and the 3-sided and Fis- 325- . 1 . Adder-tongue (erythronium). At left below pistil, and three long 3 ~ lOCUled stamens opposite three parts of the perianth. Bulb at the right. ovary. 491. Family liliaeeae.—The relationship between genera, as between trillium, erythronium, and lilium, brings us to a still higher order of relationship where the limits are broader than in the genus. Genera which are thus related make up the family. In the case of these genera the family has been named after the lily, and is the lily family, or Liliacece. This grouping of plants into species, genera, families, etc., according to characters and relationships is classification, or taxonomy. The lily family is a large one. Another example is found in the " Solomon' s-seal," with its elongated, perennial root-stock, the scars formed by the falling away of each annual shoot resem-. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Atkinson, George Francis, 1854-1918. New York, H. Holt
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