Weeds of the Farm and GardenOrange Judd Company, 1911 - 281 páginas |
Dentro del libro
Resultados 6-10 de 82
Página 37
... families . In this connection the study made by Ewart on the Longevity of Seeds is of interest . Thus in some of the common Indian mallow or butter - print , 6 per cent of seed germinated after the lapse of 57 years , the common shoo ...
... families . In this connection the study made by Ewart on the Longevity of Seeds is of interest . Thus in some of the common Indian mallow or butter - print , 6 per cent of seed germinated after the lapse of 57 years , the common shoo ...
Página 54
... family are very fre- quently found in Iowa . One , the European bindweed ( Convolvulus arvensis ) , has made its way from Illinois . and Missouri , where it is already something of a pest , and is now seen in meadows in Iowa . The other ...
... family are very fre- quently found in Iowa . One , the European bindweed ( Convolvulus arvensis ) , has made its way from Illinois . and Missouri , where it is already something of a pest , and is now seen in meadows in Iowa . The other ...
Página 55
... family are troublesome in the pastures and meadows of Iowa . Among these are pepper grass - Lepidium apetalum and L. virginicum- the former of which is abundant , especially in timothy seed . Its brown color enables it to be easily ...
... family are troublesome in the pastures and meadows of Iowa . Among these are pepper grass - Lepidium apetalum and L. virginicum- the former of which is abundant , especially in timothy seed . Its brown color enables it to be easily ...
Página 87
... family retain their vitality for years . The seeds of many Leguminosae display the same character- istic . Cases may be cited where fields which had been in meadow for years upon being plowed soon abounded in the greater ragweed , in ...
... family retain their vitality for years . The seeds of many Leguminosae display the same character- istic . Cases may be cited where fields which had been in meadow for years upon being plowed soon abounded in the greater ragweed , in ...
Página 110
... family . The bur has two so - called seeds , one of which has a slightly different position from the other ; the seed coat , too , is slightly different in structure and , accord- ing to Dr. Crocker , this is the reason for delayed ...
... family . The bur has two so - called seeds , one of which has a slightly different position from the other ; the seed coat , too , is slightly different in structure and , accord- ing to Dr. Crocker , this is the reason for delayed ...
Otras ediciones - Ver todas
Términos y frases comunes
achenes alfalfa annual awned biennial blue grass bracts branched 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 grain fields 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 plant Plantago plantain plowing poisonous Polygonum prickly pubescent purple quack grass racemes ragweed roadsides roots rootstocks Rumex sepals sessile sheaths sheep sorrel shrubs slender smartweed smooth soil species spikelets spikes spreading Spurge squirrel-tail stamens stem stipules sulphate Sunflower sweet clover tall Texas three feet high toothed troublesome weed upper waste places weed seeds wild yellow
Pasajes populares
Página 45 - ... sold, offered or exposed for sale within this State, shall have affixed thereto, in a conspicuous place on the outside thereof, a legible and...
Página 281 - CHICAGO ASHLAND BUILDING PEOPLE'S GAS BUILDING 315-321 Fourth Avenue ISO Michigan Avenue Any of these books will be sent by mail, postpaid, to any part of the world, on receipt of catalog price. We are always happy to correspond with our patrons, and cordially invite them to address us on any matter pertaining to rural books.
Página 47 - This shall not, however, exempt the seller from the restrictions of section ten (10) of this act. Third. Seed that is held in storage for the purpose of being recleaned, and which has not been offered, exposed or held in possession of or for sale for the purpose of seeding. Fourth. Seed marked "not absolutely clean," and held or sold for export outside the state only.