Plant-life: Popular Papers on the Phenomena of BotanyM. Japp, 1881 - 216 páginas |
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Página 17
... fruit ( Trichobasis ) , as well as a two - celled fruit ( Puccinia ) . The fungus which attacks the Ber- berry is a species of Cluster - cup ( Æcidium berberidis ) in which little cup - like peridia , containing bright orange ...
... fruit ( Trichobasis ) , as well as a two - celled fruit ( Puccinia ) . The fungus which attacks the Ber- berry is a species of Cluster - cup ( Æcidium berberidis ) in which little cup - like peridia , containing bright orange ...
Página 19
... lives inside , and at the expense of the assimilated material of the leaf . When this thread emerges into the air , as here shown , it speedily ramifies in different directions , and bears fruit 1. ] 19 MICROSCOPIC PLANTS .
... lives inside , and at the expense of the assimilated material of the leaf . When this thread emerges into the air , as here shown , it speedily ramifies in different directions , and bears fruit 1. ] 19 MICROSCOPIC PLANTS .
Página 20
... fruit at the tips of the branches , as at e , e ; these fruits are termed simple spores , or conidia , b because from their smallness they are dust - like . It is quite possible they may be an early state of the vesicles Fig . 21 ...
... fruit at the tips of the branches , as at e , e ; these fruits are termed simple spores , or conidia , b because from their smallness they are dust - like . It is quite possible they may be an early state of the vesicles Fig . 21 ...
Página 21
... fruits in a precisely simi- lar manner . ” * But besides these zoospores and simple spores , the Potato fungus produces a third kind called " oospores , " which were unknown until Mr. Smith's careful study of the fungus by night and day ...
... fruits in a precisely simi- lar manner . ” * But besides these zoospores and simple spores , the Potato fungus produces a third kind called " oospores , " which were unknown until Mr. Smith's careful study of the fungus by night and day ...
Página 23
... fruits . A species of Peronospora ( P. effusa ) attacks spinach ; another ( P. gangliformis ) is very injurious to lettuces ; P. Schleideniana destroys young onions , and P. trifoliorum attacks the lucerne . Exigencies of space compel ...
... fruits . A species of Peronospora ( P. effusa ) attacks spinach ; another ( P. gangliformis ) is very injurious to lettuces ; P. Schleideniana destroys young onions , and P. trifoliorum attacks the lucerne . Exigencies of space compel ...
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Términos y frases comunes
acid gas Algæ animal antheridia antherozoids anthers archegonia bear beautiful bees birds branches called carbonic cell-wall cellulose Chapter Chara chlorophyll cilia Club-moss colour conidia consists containing corolla delicate Desmids Diatoms Ecidium elaters Equisetum sylvaticum feet fernery ferns fertilisation filaments flowers fluid fronds fruit Fucus fungi germinate Gibside green grow growth heath herb honey hypha hyphæ Illustrations inches insects Isoëtes JAPP AND COMPANY'S known labellum large number leaf leaves Lichens MARSHALL JAPP microscope moisture mosses mould Mucor mycelium number of cells Orchis oxygen Penicillium petals pistil pitcher pitcher-plant plants pollen pollen grains pollinia ponds Potato fungus produced prothallus Protococcus protoplasm Puccinia readers remarkable resemblance roots round says Scale-mosses seeds seen set free side species specimens sporange sporangia spores stalk stamens starch stem stigma substance surface threads tion Torula trees tube vegetable whilst wood zoospores
Pasajes populares
Página 123 - And he gave it for his opinion, that whoever could make two ears of corn, or two blades of grass to grow upon a spot of ground where only one grew before, would deserve better of mankind, and do more essential service to his country, than the whole race of politicians put together.
Página 147 - 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 148 - Unfading as motionless, the worm frets them not, and the autumn wastes not. Strong in lowliness, they neither blanch in heat nor pine in frost. To them, slow-fingered, constant-hearted, is entrusted the weaving of the dark, eternal tapestries of the hills ; to them, slowpencilled, iris-dyed, the tender framing of their endless imagery.
Página 148 - 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 104 - 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 125 - ... heath-plants were wholly changed, but twelve species of plants (not counting grasses and carices) flourished in the plantations, which could not be found on the heath. The effect on the insects must have been still greater, for six insectivorous birds were very common in the plantations, which were not to be seen on the heath ; and the heath was frequented by two or three distinct insectivorous birds.
Página 86 - 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 122 - 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 216 - Here is a book which should be in the hands of every boy in the kingdom in whose mind it is desirable to implant a true ideal of life, and a just notion of the proper objects of ambition ; and we may congratulate Mr. Page upon having carried out his task with all possible care and skill. ' Leaders of Men ' is every way an admirable volume.
Página 114 - 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...