The Various Contrivances by which Orchids are Fertilised by InsectsJ. Murray, 1877 - 300 Seiten |
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Acropera adapted adhere adhesive Angræcum antennæ anther anther-case anther-cells appearance Bee Ophrys beneath Bonatea bristle capsules Catasetum caudicles cells Cephalanthera clinandrum close column crest cross-fertilisation Crown 8vo Crüger Cycnoches Cypripedium Edition ejected elastic threads Epidendreæ Epipactis examined Fcap fertilisation filament fluid formed Fritz Müller front genera genus gnawed grains Gymnadenia Gymnadenia conopsea Habenaria Illustrations insects labellum Listera maculata Malaxis manner masses membrane minute Monachanthus Mormodes moths movement of depression nature nectary observed Ophreæ Orchidea Orchids Orchis pyramidalis organs orifice ovarian group ovarium pedicel plant pollen pollen-grains pollen-masses pollen-tubes pollinia attached pollinia removed pollinium position Post 8vo pouch proboscis produced projecting remarkable rostellum rupture seeds seen self-fertilisation sepals sets hard side species specimens spike Spiranthes stamens stigma stigmatic cavity stigmatic chamber stigmatic surface structure summit tellum touch tridentatum upper petals Vandeæ viscid disc viscid matter viscid surface visit the flowers Vols whilst whorl Woodcuts
Beliebte Passagen
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Seite 5 - A Short History of Natural Science and of the Progress of Discovery, From the Time of the Greeks to the Present Time.
Seite 23 - The Life and Death of John of Barneveld, Advocate of Holland : with a View of the Primary Causes and Movements of " The Thirty-years
Seite 20 - STUDENT'S HISTORY OF ROME. From the EARLIEST TIMES to the ESTABLISHMENT OF THE EMPIRE, With Chapters on the History of Literature and Art. By Dean LIDDELL.
Seite 166 - Angraecum has triumphed, for it flourishes and abounds in the forests of Madagascar, and still troubles each Moth to insert its proboscis as far as possible in order to drain the last drop of nectar We can thus,
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Seite 245 - Orchid was created, exactly as we now see it, on a certain " ideal type ; " that the Omnipotent Creator, having fixed on one plan for the whole Order, did not please to depart from this plan ; that He, therefore, made the same organ to perform diverse functions — often of trifling importance compared with their proper function — converted other organs into mere purposeless rudiments, and arranged all as if they had to stand separate, and then made them cohere ? Is it not a more simple and intelligible...
Seite 21 - Gennesareth, &c. A Canoe Cruise in Palestine and Egypt, and the Waters of Damascus.
Seite 284 - ... it. On the same principle, if a man were to make a machine for some special purpose, but were to use old wheels, springs, and pulleys, only slightly altered, the whole machine, with all its parts, might be said to be specially contrived for that purpose.
Seite 30 - HISTORY OF FRANCE ; from the Earliest Times to the Establishment of the Second Empire, 1852. By REV.