. Annual report of the Commissioner of Agriculture ... Agriculture -- New York (State). 63 hands to the hair of some passing animal or the clothing of a human tramp, Sir Bur steals many a long ride, often relaxing his hold only by going to pieces. The tail of the old cow carries them over the fields (Fig. 37). This, then, is Jiow he travels, but why f What good does the journey secure for the plant ? Tear a bur apart and find within, among the short twisted bristles, hard little brown- ish-gray bodies, almost like miniature Brazil %%.—Thehur dock akene. g-. Burs stealing a ride. Where do these
. Annual report of the Commissioner of Agriculture ... Agriculture -- New York (State). 63 hands to the hair of some passing animal or the clothing of a human tramp, Sir Bur steals many a long ride, often relaxing his hold only by going to pieces. The tail of the old cow carries them over the fields (Fig. 37). This, then, is Jiow he travels, but why f What good does the journey secure for the plant ? Tear a bur apart and find within, among the short twisted bristles, hard little brown- ish-gray bodies, almost like miniature Brazil %%.—Thehur dock akene. g-. Burs stealing a ride. Where do these nuts (Fi 38), that are — what? If you have not thought you will s a y seeds, f o r they look like se e d s. But are all seed-like bodies properly so called ? little fellows come from ? If you have studied the flower in general, you will remember that its important parts in view of its office of reproduction are the stamens wliich produce the pollen and the pistil with its ovary or seed-case. Within the ovary grow the small bodies which develop into the seeds. Further, the ri])ened ovary with whatever parts may con- solidate with it in development, and with the matured seeds con- tained, is called the fruit. That is to say, we name things in natu- ral history not alone from appearance and function or office, but according to their origin and development. What then have we in the bur, seeds or fruits ? You would not think of calling a pea pod a seed would you ? You know if you stop to consider that each pea is a seed, and the pod with its peas is the fruit, because developed from the miniature pod in the blossom which was the ovary, and contained the ovules or young seeds. Similarly you easily distinguish morning glory seeds from its fruits, the nasturtium seeds from the fruits. In all 455. 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 perfe
Size: 1762px × 1419px
Photo credit: © Library Book Collection / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookauthornewyorkstateagricultu, bookcentury1800, bookdecade1890
