Weeds of the Farm and GardenOrange Judd Company, 1912 - 281 páginas |
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Página x
... Flowers of Barberry 67-68 . Flowers of Tomato 126 126 127 127 69 . Flower of Bean 127 70 . Aconite Flower 128 71 . Larkspur Flower 128 72 . Strawberry Flower 128 73 . 74 . 75 . Rose Flower Pollen Grains of Various Types Different Stages ...
... Flowers of Barberry 67-68 . Flowers of Tomato 126 126 127 127 69 . Flower of Bean 127 70 . Aconite Flower 128 71 . Larkspur Flower 128 72 . Strawberry Flower 128 73 . 74 . 75 . Rose Flower Pollen Grains of Various Types Different Stages ...
Página 54
... flowers , is common in many pas- tures of the northern Mississippi valley . Yarrow is also common , not only in northern states , but across the con- tinent , especially in dry pastures and meadows . Two weeds of the morning glory ...
... flowers , is common in many pas- tures of the northern Mississippi valley . Yarrow is also common , not only in northern states , but across the con- tinent , especially in dry pastures and meadows . Two weeds of the morning glory ...
Página 63
... flowers of this weed and of Wright's datura have caused the death of chil- dren . Fig . 33a . California poison ivy ... flower , black henbane , black locust , black nightshade , bloodroot , bouncing bet , buck- wheat , bunchflower ...
... flowers of this weed and of Wright's datura have caused the death of chil- dren . Fig . 33a . California poison ivy ... flower , black henbane , black locust , black nightshade , bloodroot , bouncing bet , buck- wheat , bunchflower ...
Página 114
... flower . The root , stem and leaf have Fig . 35. Fibrous root of crab grass . to do with the nutrition of the plant ... flowers and seeds the same season and then die . Fig . 36. Root . g , showing root cap . ( Leavitt . ) The following ...
... flower . The root , stem and leaf have Fig . 35. Fibrous root of crab grass . to do with the nutrition of the plant ... flowers and seeds the same season and then die . Fig . 36. Root . g , showing root cap . ( Leavitt . ) The following ...
Página 115
... flowers ; in the second season the stem elongates , produces flowers and seeds . The follow- ing weeds are biennial : Bull thistle , burdock , mullein , Nelson's thistle , parsnip , and sweet clover . Other repre- sentatives ...
... flowers ; in the second season the stem elongates , produces flowers and seeds . The follow- ing weeds are biennial : Bull thistle , burdock , mullein , Nelson's thistle , parsnip , and sweet clover . Other repre- sentatives ...
Otras ediciones - Ver todas
Términos y frases comunes
achenes alfalfa annual awned biennial blue grass bracts branched brome grass bull thistle C. M. King calyx Canada thistle carpels cent Cirsium clover seed clusters cocklebur common weed corn corolla crab grass crop cultivated curled dock dodder erect Europe five five-lobed four foxtail fruit germination glabrous glumes hairy herb horse nettle impurities inches long involucre Iowa lanceolate leaf leaves linear lobes marsh elder meadows milkweed Minnesota Missouri morning glory mustard native North numerous oats oblong ovary ovate ovules panicles pappus pastures pepper grass perennial petals petioled pigweed pinnately pistil Plantago plantain plants plowing poisonous Polygonum prickly pubescent purple quack grass racemes ragweed roadsides roots rootstocks Rumex sepals sessile sheaths sheep sorrel slender smartweed smooth soil species spikelets spikes spreading Spurge squirrel-tail stamens stem stipules sulphate Sunflower sweet clover Texas three feet high toothed troublesome weed U. S. Dept upper waste places weed seeds wild yellow