Flowers and their unbidden guests, the tr |
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Сторінка viii
... further allurement is addressed to the palate ; and though in some cases it is nothing more than the pollen itself , in most it is supplied by the secretion of a sweet fluid , the so - called nectar . Now Nature , who at first sight ...
... further allurement is addressed to the palate ; and though in some cases it is nothing more than the pollen itself , in most it is supplied by the secretion of a sweet fluid , the so - called nectar . Now Nature , who at first sight ...
Сторінка xiii
... further ages perhaps become limited still further to the top of the stem . Nor were indications of such a possible event wanting , for already the lowest nodes of the stem were , as I found , destitute of viscid secretion . On my return ...
... further ages perhaps become limited still further to the top of the stem . Nor were indications of such a possible event wanting , for already the lowest nodes of the stem were , as I found , destitute of viscid secretion . On my return ...
Сторінка xiv
... further evidence , when my next year's holiday should come . But before that time came , this essay of Kerner made its appearance , rendering all further evidence unnecessary . He shows , by a mass of evidence which cannot but enforce ...
... further evidence , when my next year's holiday should come . But before that time came , this essay of Kerner made its appearance , rendering all further evidence unnecessary . He shows , by a mass of evidence which cannot but enforce ...
Сторінка 1
... further , the question as to " the ad- vantages derivable from any given peculiarity in an organism . " The questions , It appears to me to be urgently necessary that instead of indulging in oft - repeated , wide - branching , theo ...
... further , the question as to " the ad- vantages derivable from any given peculiarity in an organism . " The questions , It appears to me to be urgently necessary that instead of indulging in oft - repeated , wide - branching , theo ...
Сторінка 8
... further one , why plants in general produce flowers and fruit , and do not remain limited to the vegetative mode of repro- duction , is outside our present inquiry . I purpose , in the following pages , to do no more than set forth the ...
... further one , why plants in general produce flowers and fruit , and do not remain limited to the vegetative mode of repro- duction , is outside our present inquiry . I purpose , in the following pages , to do no more than set forth the ...
Загальні терміни та фрази
abundant advantage allogamy androecium anthers ants autogamy base blossoms bracts calyx Capt cavity closely Cloth corolla corolla-tube creeping insects Crown 8vo Cuphea Demy 8vo dilated entrance epiblastemes epiderm Essay Fcap filaments flying insects formation Frontispiece function Gentiana glandular trichomes gynæcium hairs humble-bees Illustrations inasmuch inflorescence inner surface Innsbrück instance International Scientific Series involucre involucrum Large post 8vo Lateral view leaf leaves LL.D Longitudinal section Maps margin nectar nectar is secreted nectar-cavity nectariferous numerous ovary Pedicularis peduncles perianth petals Pinguicula alpina plants Plate Poems pollen Portrait present price 75 prickles proboscis Prof protective appliances Ranunculus glacialis Royal 16mo Second Edition section of flower seen Sewed Silene nutans Small crown 8vo small insects Soldanella alpina species stamens stem sticky stigma style Third Edition tion Translated Transverse section trichomes tube unbidden guests upper view of flower Vinca herbacea viscid matter viscid substance vols Volume weel
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