Weeds of the Farm and GardenOrange Judd Company, 1912 - 281 páginas |
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Página 119
... leaflets , each each other from the base to the end of the leaf . Plants with such venation have a single seed leaf or cotyledon . In netted - veined leaves the veins run together or anastomose , form- ing a network , as in the maple ...
... leaflets , each each other from the base to the end of the leaf . Plants with such venation have a single seed leaf or cotyledon . In netted - veined leaves the veins run together or anastomose , form- ing a network , as in the maple ...
Página 120
... leaflets are arranged on the sides of a main stalk , as in rose and ash ; and palmately compound leaves , in which the leaflets are borne on the end of a leaf stalk , as in the horse - chestnut and Virginia creeper . Clover has a ...
... leaflets are arranged on the sides of a main stalk , as in rose and ash ; and palmately compound leaves , in which the leaflets are borne on the end of a leaf stalk , as in the horse - chestnut and Virginia creeper . Clover has a ...
Página 161
... leaflets coarsely toothed ; inner bark of tough fibers ; stam- inate flowers in axillary , compound racemes , pistillate flowers in erect spikes , consist- ing of the calyx , with a single sepal folded around the ovary ; fruit , an ...
... leaflets coarsely toothed ; inner bark of tough fibers ; stam- inate flowers in axillary , compound racemes , pistillate flowers in erect spikes , consist- ing of the calyx , with a single sepal folded around the ovary ; fruit , an ...
Página 185
... leaflets ; flowers yellow , in cymose clusters ; calyx flat , deeply five - cleft , with as many bracts interven- ing ; petals five , roundish ; seed small , yellowish , longi- tudinally furrowed , sometimes reflexed . Probably intro ...
... leaflets ; flowers yellow , in cymose clusters ; calyx flat , deeply five - cleft , with as many bracts interven- ing ; petals five , roundish ; seed small , yellowish , longi- tudinally furrowed , sometimes reflexed . Probably intro ...
Página 186
... leaflets ; yellow flowers . It is cultivated as an ornamental plant , but be- comes weedy in some parts of the East , especially in Vermont , where Prof. L. R. Jones says it " is the most aggressive weed invader known , taking almost ...
... leaflets ; yellow flowers . It is cultivated as an ornamental plant , but be- comes weedy in some parts of the East , especially in Vermont , where Prof. L. R. Jones says it " is the most aggressive weed invader known , taking almost ...
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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