. Introduction to botany. Botany. Fig. 128. Seed pod of Trumpet Creeper broken open and winged seeds fallen out. Reduced. those seeds and fruits with out- growths in the form of sails or wings. In the case of elms, maples, Ailan- thus, etc. {a, d, n. Fig. 127), the border of the ovary grows out in the form of a membrane; and in the seeds of the Catalpa and trumpet creeper (Fig. 128) the walls of the seeds behave in a similar manner. One of the best devices to give buoyancy to hght seeds or fruits is an out- growth of hairs, such as is found on the fruits of dandelion or Anemone, or on the seed


. Introduction to botany. Botany. Fig. 128. Seed pod of Trumpet Creeper broken open and winged seeds fallen out. Reduced. those seeds and fruits with out- growths in the form of sails or wings. In the case of elms, maples, Ailan- thus, etc. {a, d, n. Fig. 127), the border of the ovary grows out in the form of a membrane; and in the seeds of the Catalpa and trumpet creeper (Fig. 128) the walls of the seeds behave in a similar manner. One of the best devices to give buoyancy to hght seeds or fruits is an out- growth of hairs, such as is found on the fruits of dandelion or Anemone, or on the seeds of the poplars, milk- weeds (Fig. 129), cotton of com- merce, etc. Fig. 129. In the cotton- wood iPopulus Seed pod of Asclepias comuii and escaping seeds. The . , tuft of hairs on each seed acts as a parachute. Reduced, ill 0 til I if e fa).. 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 Stevens, William Chase, 1861-. Boston, D. C. Heath & Co.


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Keywords: ., bookcentury1900, bookdecade1900, booksubjectbotany, bookyear1902