The Wonders of Plant Life Under the MicroscopeG.P. Putnam's sons, 1883 - 248 páginas |
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Página 5
... drops ap- pear throughout the mass of protoplasm ; they generally coalesce at last , and form a central cavity , while the jelly is merely a lining membrane to the cellulose , or stretches itself across the cavity in the form of threads ...
... drops ap- pear throughout the mass of protoplasm ; they generally coalesce at last , and form a central cavity , while the jelly is merely a lining membrane to the cellulose , or stretches itself across the cavity in the form of threads ...
Página 9
... drops of oil ;, protoplasm , with nu- cleus , sending threads across to cell walls ; protuberances of cell wall in preparation for conjugation . [ After Sachs . ] S1 , S2 , S3 , after conjugation . [ After Henfrey . ] spores of S ...
... drops of oil ;, protoplasm , with nu- cleus , sending threads across to cell walls ; protuberances of cell wall in preparation for conjugation . [ After Sachs . ] S1 , S2 , S3 , after conjugation . [ After Henfrey . ] spores of S ...
Página 35
... drops , on the other hand , when the spore begins to vegetate , producing new cells by subdivision , the oil disappears ... drop of the greenish sur- face - water from some stagnant , way - side pool , and place it under the microscope ...
... drops , on the other hand , when the spore begins to vegetate , producing new cells by subdivision , the oil disappears ... drop of the greenish sur- face - water from some stagnant , way - side pool , and place it under the microscope ...
Página 38
... drops . There , finding favorable conditions , they vegetate and form a green superficial scum upon the water . The red snow of the Arctic regions owes its color to the presence of a red protococcus , or palmogloa , -it is not quite ...
... drops . There , finding favorable conditions , they vegetate and form a green superficial scum upon the water . The red snow of the Arctic regions owes its color to the presence of a red protococcus , or palmogloa , -it is not quite ...
Página 40
Sophia Bledsoe HERRICK. enable one to see it with the naked eye when the drop of water containing it is held up to the light . It usually moves by a kind of rolling motion ; some- times , however , it glides smoothly onward , and again ...
Sophia Bledsoe HERRICK. enable one to see it with the naked eye when the drop of water containing it is held up to the light . It usually moves by a kind of rolling motion ; some- times , however , it glides smoothly onward , and again ...
Otras ediciones - Ver todas
The Wonders of Plant Life Under the Microscope Sophia M'Ilvaine Bledsoe Herrick Vista completa - 1906 |
Términos y frases comunes
aggregation algæ animal anther antheridia antherozoids archegonia beautiful bend called cause cell sap cell wall cellular cellulose chemical chlorophyll chlorophyll bodies close color conjugation corn curious Darwin delicate desmids diams diatoms digestive disk Drosera epidermal fermentation ferns fertilization filaments flower fluid frond functions fungi fungus gemmæ germs glands green grow growth hairs honey inflection inner insect insectivorous plants jelly layers of cells leaf leaves living lobes Marchantia mass matter ment microscope mode moisture mosses mycelium Nature orchids organic ovary ovule oxygen peculiar pedicel penetrate petals petiole pistil pitcher plants pollen grains pollen tube pollinia portion possess produced prothallium protococcus protoplasm reproduction root-hairs roots Sachs Sarracenia secretion seen side species spiral sporangia spores sporogonium stamens stem stigma stomata structure substance surface takes place tentacles tiny tion tissue Torula trichomes utricles Utricularia varieties vegetable cell vessels viscid wonderful
Pasajes populares
Página 70 - The universality of the appearance of these simple forms of fungi upon all spots favourable to their development, has given rise to the belief that they are spontaneously produced by decaying substances, but there is no occasion for this mode of accounting for it, since the extraordinary means adopted by nature for the production and diffusion of the germs of these plants adequately suffices to explain the facts of the case. "The number of sporules which any one fungus may develope is almost incalculable...
Página 27 - I see no reason whatever that justice may not be done to the few fragments of soul and tatters of understanding which they may really possess. I have sometimes perhaps felt a little uneasy at Exeter Change from contrasting the monkeys with the...
Página 27 - I feel myself so much at my ease about the superiority of mankind — I have such a marked and decided contempt for the understanding of every baboon I have yet seen— I feel so sure that the blue ape without a tail will never rival us in poetry, painting, and music, that I see no reason whatever why justice may not be done to the few fragments of soul and tatters of understanding which they may really possess.
Página 203 - ... the flower ; and that the object of the flap and its sugar is also to attract insects, but with a very different result, cannot be doubted. It is hence conceivable that this marvellous plant lures insects to its flowers for one object, and feeds them while it uses them to fertilize itself, and that, this accomplished, some of its benefactors are thereafter lured to its pitchers for the sake of feeding itself...