. The Indiana weed book. Weeds. 108 THE INDIANA WEED BOOK. noonday sun. God pity him who sees no beauty in a wild morning- glory, fresh from its natal bud! 71. Wild Sweet-potato. Man-of-the-Earth. (P. «3+ IPOMCSA PANDUBATA L. N. 2.) Stems long and stout, 2-12 feet long, trailing or twining from a huge fleshy root; leaves broadly ovate, pointed, heart-shaped at base, 2-6 inches long, sometimes constricted at sides so as to be hcldle-shaped. Flower- stalks long, 1-5 flowered; corolla funnel-form, 2-3 inches long, white or with purplish stripes in the throat. Capsule egg-shaped, 2-4 seeded, the s
. The Indiana weed book. Weeds. 108 THE INDIANA WEED BOOK. noonday sun. God pity him who sees no beauty in a wild morning- glory, fresh from its natal bud! 71. Wild Sweet-potato. Man-of-the-Earth. (P. «3+ IPOMCSA PANDUBATA L. N. 2.) Stems long and stout, 2-12 feet long, trailing or twining from a huge fleshy root; leaves broadly ovate, pointed, heart-shaped at base, 2-6 inches long, sometimes constricted at sides so as to be hcldle-shaped. Flower- stalks long, 1-5 flowered; corolla funnel-form, 2-3 inches long, white or with purplish stripes in the throat. Capsule egg-shaped, 2-4 seeded, the seeds densely woolly on the margins. (Fig. 73.) Common in dry or sandy soils, especially in river bottom fields, though often in uplands. May-Sept. The vine or visible, part gives little sign -of the great amount of available food stored in the fleshy root ;which is often two or more feet long and some- times weighs 35 pounds. Such a root, buried deep in the soil, sends out many runners where the plant has fairly established itself and makes it very difficult to exterminate. Remedies: deep cutting and salting; re- peated mowing for -two or three years. The true wild morning-glories, of which there are three species the State, are much less troublesome as weeds, though oft- en occurring in numbers in lowland sandy fields. The most com- mon of these are the small white-flowered species (I. lacunosa L.) with heart-shaped leaves and white corolla about I inch long, and the ivy-leaved morning-glory (T. hederacea Jacq.), the leaves deeply 3-lobed and flowers H inches long, light blue or purple with white tube. Both are annuals and can be destroyed by pulling or cutting before seeding. 72. Convolvulus seprjm L. Hedge Bindweed. Bracted Bindweed. Devil's Vine. (P. N. 1.) Stems widely trailing or twining, 3-10 feet long; leaves slender- stalked, triangular or arrow-shaped, pointed, 2-5 inches long. Flowers about 2 inches long, solitary on long axillary stalks, pink with white stripes or
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectweeds, bookyear1912
