Plant-life: Popular Papers on the Phenomena of BotanyM. Japp, 1881 - 216 páginas |
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Página 5
... rise to a new plant . They increase in length by the cells dividing across their width ; they increase in numbers by the protoplasm becoming broken up into many little oval bodies , each provided with two cilia or hair - like appendages ...
... rise to a new plant . They increase in length by the cells dividing across their width ; they increase in numbers by the protoplasm becoming broken up into many little oval bodies , each provided with two cilia or hair - like appendages ...
Página 6
... rise to variously coloured waters . One or two fine purple species form thick woolly fleeces in the hotter parts of India , while many inhabit hot springs . " You think it strange that these low forms of plant life should have the power ...
... rise to variously coloured waters . One or two fine purple species form thick woolly fleeces in the hotter parts of India , while many inhabit hot springs . " You think it strange that these low forms of plant life should have the power ...
Página 15
... rise upwards into the air . The descending branches are termed the submerged hypha , the ascending aerial hypha , whilst those which run along the surface form a network , and are known as the mycelium . The submerged hyphæ serve as ...
... rise upwards into the air . The descending branches are termed the submerged hypha , the ascending aerial hypha , whilst those which run along the surface form a network , and are known as the mycelium . The submerged hyphæ serve as ...
Página 16
... rise , under certain conditions , to another form previously ranked as an independent species of Euro- tium . In Puccinia graminis ( fig . 18 ) and Æcidium berberidis ( fig . 19 ) there is a remarkable inter- change of form , according ...
... rise , under certain conditions , to another form previously ranked as an independent species of Euro- tium . In Puccinia graminis ( fig . 18 ) and Æcidium berberidis ( fig . 19 ) there is a remarkable inter- change of form , according ...
Página 55
... rise to three -AN SP ES ᏓᎵ FIG . 69 . stigmatic lobes which are so developed as to resemble petals . Each of these stigmas is arched over a large SF NEC-- لوا AN SF- FIG . 71 . FIG . 70 . perianth segment , and shelters the stamen ...
... rise to three -AN SP ES ᏓᎵ FIG . 69 . stigmatic lobes which are so developed as to resemble petals . Each of these stigmas is arched over a large SF NEC-- لوا AN SF- FIG . 71 . FIG . 70 . perianth segment , and shelters the stamen ...
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Términos y frases comunes
animal antheridia antherozoids anthers archegonia bear beautiful bees Berberry branches called cell-wall Chapter Chara chlorophyll cilia Club-moss colour conidia consists containing corolla delicate Desmids Diatoms Ecidium Equisetum sylvaticum feet fernery ferns fertilisation filaments flowers fluid fronds fruit Fucus fungi germinating give graminis green grow growth heath herb honey hypha hyphæ Illustrations inches insects Isoëtes JAPP AND COMPANY'S known labellum large number leaf leaves lichen MARSHALL JAPP microscope moisture mosses mould Mucor mycelium Nature number of cells oogonium Orchis oxygen Penicillium Peronospora petals pistil pitcher pitcher-plant plants pollen pollen grains pollinia ponds Potato fungus produced prothallus Protococcus protoplasm Puccinia rain-water readers remarkable resemblance roots says Scale-moss seeds seen self-fertilisation set free side species specimens Sporange sporangia spores stalk stamens starch stem stigma substance surface tion Torula trees tube vegetable whilst wood zoospores
Pasajes populares
Página 151 - Meek creatures! the first mercy of the earth, veiling with hushed softness its dintless rocks; creatures full of pity, covering with strange and tender honor the scarred disgrace of ruin, — laying quiet finger on the trembling stones, to teach them rest.
Página 106 - If I wish for a horse-hair for my compass-sight I must go to the stable; but the hair-bird, with her sharp eyes, goes to the road. Immortal water, alive even to the superficies. Fire is the most tolerable third party. Nature made ferns for pure leaves, to show what she could do in that line.
Página 88 - When the bee, thus provided, flies to another flower, or to the same flower a second time, and is pushed by its comrades into the bucket and then crawls out by the passage, the pollen-mass necessarily comes first into contact with the viscid stigma, and adheres to it, and the flower is fertilised.
Página 151 - And, as the earth's first mercy, so they are its last gift to us. When all other service is vain, from plant and tree, the soft mosses and gray lichen take up their watch by the headstone.
Página 124 - If a man walk in the woods for love of them half of each day, he is in danger of being regarded as a loafer; but if he spends his whole day as a speculator, shearing off those woods and making the earth bald before her time, he is esteemed an industrious and enterprising citizen.
Página 116 - She is the fairies' midwife, and she comes In shape no bigger than an agate-stone On the forefinger of an alderman, Drawn with a team of little atomies Athwart men's noses as they lie asleep : Her waggon-spokes made of long spinners...
Página 54 - Moth-traps and spring-guns set on these grounds," might be the motto of the Orchids. There are baits to tempt the nectar-loving Lepidopteru, with rich odours exhaled at night, and lustrous colours to shine by day ; there are channels of approach along which they are surely guided, so as to compel them to pass by certain spots; there are adhesive plasters nicely adjusted to fit their probosces, or to catch their brows ; there are hair-triggers carefully set in their necessary path, communicating with...
Página 8 - The picture he gives us here of the Enticknapp household, with its Moravian and Quaker traditions, is one nearly perfect of its kind for sobriety of taste and freedom from all sentimental exaggerations.
Página 128 - But how important an element enclosure is, I plainly saw near Farnham in Surrey. Here there are extensive heaths, with a few clumps of old Scotch firs on the distant hill-tops ; within the last ten years large spaces have been enclosed, and self-sown firs are now springing up in multitudes, so close together that all cannot live. When I ascertained that these young trees had not been sown or planted, I was so much surprised at their numbers that I went to several points of view, whence I could examine...
Página 149 - Ascomycetes, a parasite which is accustomed to live upon, others' work ; its slaves are green algae, which it has sought out, or indeed caught hold of, and compelled into its service. It surrounds them, as a spider its prey, with a fibrous net of narrow meshes, which is gradually converted into an impenetrable covering ; but...