. A manual of weeds : with descriptions of all the most pernicious and troublesome plants in the United States and Canada, their habits of growth and distribution, with methods of control . Weeds. 312 APOCYNACEAE (DOGBANE FAMILY) the five stamens have hairy filaments. The flowers open only in the brightest sunshine, closing quickly if clouds obscure the light and usually by four o'clock in the afternoon even in good weather. Capsule membra- naceous and one-celled, nearly globular, smooth, many-seeded, opening by a circular line near the top which falls off like a lid; the pedicels are recurved
. A manual of weeds : with descriptions of all the most pernicious and troublesome plants in the United States and Canada, their habits of growth and distribution, with methods of control . Weeds. 312 APOCYNACEAE (DOGBANE FAMILY) the five stamens have hairy filaments. The flowers open only in the brightest sunshine, closing quickly if clouds obscure the light and usually by four o'clock in the afternoon even in good weather. Capsule membra- naceous and one-celled, nearly globular, smooth, many-seeded, opening by a circular line near the top which falls off like a lid; the pedicels are recurved as they ripen and the small, dark, triangular, finely pitted seeds are emptied out. Seed matures within three weeks from the time of bloom and retains its vitality in the soil for at • least two years. (Fig. 217.) Means of control In gardens and fields, early and persist- ent cultivation is necessary in order to pre- vent the weed from ripening and distribut- ing its seeds. Badly infested pastures and meadows should be put under cultivation; thick patches should be burned over for the purpose of destroying seeds on the surface before breaking the Fig. 217.— Scarlet Pimpernel (Anagallis ar- Xh SPREADING DOGBANE Apdcynum androscemifdlium, L. Other English names: Wandering Milkweed, Milk Ipecac, Honey- bloom, Bitter-root. Native. Perennial. Propagates by seeds and by rootstocks. Time of bloom: June to August. Seed-time: August to October. Range: Anticosti to British Columbia, southward to Georgia, Ne- braska, and Arizona. Habitat?. Fields, roadsides, and thickets; frequently troublesome in vineyards. A poisonous weed, but very graceful and attractive, growing usually in patches or colonies because of its extensive creeping,. 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 Georgia, Ada Eljiva, 1859
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectweeds, bookyear1919
