. Un manuale di erbacce : con le descrizioni di tutti i più perniciosi e fastidioso piante negli Stati Uniti e in Canada, le loro abitudini di crescita e di distribuzione, con metodi di controllo . Le erbacce. ERICACEAE (HEATH FAMIGLIA) 309 grande perdita è accreditato a questo velenoso piccola pianta quando greggi sono rivolti al pascolo in primavera. Si fa più danni quando piccoli, per gli animali sono più probabilmente a mangiare quando i germogli sono giovani e teneri e ma a pochi centimetri sopra il suolo. Anche i bambini sono stati avvelenati da confondere il suo primo piccolo foglie rosato per giovani wintergreens {GavMMria procumbens)

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. 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. ERICACEAE (HEATH FAMILY) 309 Much loss is credited to this poisonous little plant when flocks are turned out to pasture in the spring. It does most damage when small, for animals are most likely to eat it when the shoots are young and tender and but a few inches above the ground. Children also have been poisoned by mistaking its first little pinkish leaves for young wintergreens {GavMMria procumbens). It is a shrub, six inches to nearly three feet tall, slender, with a few nearly erect branches and round, smooth twigs. Leaves ever- green, thick, smooth, entire-edged, pointed at both ends, dark green above, light green below, an inch to two inches long and a quarter-inch to a half-inch wide, with short petioles — about a third of an inch; they grow in opposing pairs or in whorls of three. Flowers beautiful, clus- tered on the sides of the twigs at the base of the season's new growth; they are small, five- lobed, saucer-shaped, bright pink or crimson in color, a little more than a quarter-inch broad, with thread-like pedicels a half-inch to an inch long. Each small saucer has around its sides tiny pockets into which the ten red anthers are tucked, the filaments of the stamens being bent like a spring. When these are touched by the tongues of foraging insects — or with a Fig. 215. — Nar- needle — the anthers are released with a snap, row-leaved Laurel flinging out the pollen. Capsule five-celled, f0ii^mlxi.nt>US '" globose, about an eighth of an inch in diameter, with the thread-like, persistent style thrust out from a deep dimple in its apex. Seeds very small, round, and slightly flattened. (Fig. 215.) Means of control Grub out or hand-pull the plants in the spring, when the soil is soft. Animals do not often eat the old shrubs, but those are the ones that bl

Parole chiave associate all'immagine

• bookcentury1900
• bookdecade1910
• booksubjectweeds
• bookyear1919