. Botany for agricultural students. Plants. 490 ANGIOSPERMS. Fig. 440. — A portion of a Tomato plant bearing flowers and fruits, and also a flower enlarged to show the structure of the flower. dodcndrons and Heathers. The Traihng Arbutus (Epigaea), which is the favorite spring flower wherever it grows, and the Madrona, one of the most beautiful trees of the Pacific coast, belong to this family. Sweet Potato Family (C onvolvulacene). — The plants of this family are chiefly trailing or twining herbs. Their flowers, as those of the Morning Glory illustrate, are often quite showy. They have five s
. Botany for agricultural students. Plants. 490 ANGIOSPERMS. Fig. 440. — A portion of a Tomato plant bearing flowers and fruits, and also a flower enlarged to show the structure of the flower. dodcndrons and Heathers. The Traihng Arbutus (Epigaea), which is the favorite spring flower wherever it grows, and the Madrona, one of the most beautiful trees of the Pacific coast, belong to this family. Sweet Potato Family (C onvolvulacene). — The plants of this family are chiefly trailing or twining herbs. Their flowers, as those of the Morning Glory illustrate, are often quite showy. They have five stamens, and their calyx and corolla are composed of five parts {Fig. J^8). There is usually one pistil with two or three locules in the ovary. The Sweet Potato is of considerable value for food and is quite extensively grown in a number of states, A number of plants of this family are weeds, of which the Morn- ing Glory (Ipomoea), Bind- weeds, and Dodders {Fig. 439) are the chief ones. The Morning Glory and Bindweeds twine around cultivated plants, cutting off the light and often breaking them down. The Bindweeds are extremely hard to eradicate because of their spreading roots and rootstocks which propagate the plants. 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 Martin, John N. (John Nathan), b. 1875. New York, John Wiley ; London, Chapman & Hall
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectplants, bookyear1919
