An Introduction to Botany |
From inside the book
Results 1-5 of 71
Page 12
... centre of some of the cellules of the cellular tissue of many plants there is a roundish nucleus , apparently consisting of granular matter , the nature of which is unknown . It was originally remarked by Mr. Francis Bauer , in the ...
... centre of some of the cellules of the cellular tissue of many plants there is a roundish nucleus , apparently consisting of granular matter , the nature of which is unknown . It was originally remarked by Mr. Francis Bauer , in the ...
Page 16
... centre , and placed upon the walls of the tissue . That these globules are not pores , seems to me to be proved thus : they are flaccid when dry , and distend when moistened , which is not the property of a pore ; their centre is more ...
... centre , and placed upon the walls of the tissue . That these globules are not pores , seems to me to be proved thus : they are flaccid when dry , and distend when moistened , which is not the property of a pore ; their centre is more ...
Page 33
... , miliaires , or epidermoidales ; Glandulæ cutanea ; Oeffnungen ; Stomatia ; ) are passages through the cuticle , having the appearance of D areolæ , in the centre of which is a slit CHAP . II . COMPOUND ORGANS IN FLOWERING PLANTS . 33.
... , miliaires , or epidermoidales ; Glandulæ cutanea ; Oeffnungen ; Stomatia ; ) are passages through the cuticle , having the appearance of D areolæ , in the centre of which is a slit CHAP . II . COMPOUND ORGANS IN FLOWERING PLANTS . 33.
Page 34
... centre of the stomata is caused by a peculiar secretion of matter , as is plainly visible in Baryosma serratum . ( Elementa , p . 225. ) To the views of these writers is to be added the testimony of Mr. Brown ( Suppl . prim . Prodr . p ...
... centre of the stomata is caused by a peculiar secretion of matter , as is plainly visible in Baryosma serratum . ( Elementa , p . 225. ) To the views of these writers is to be added the testimony of Mr. Brown ( Suppl . prim . Prodr . p ...
Page 45
... centre , round which the leaves and other appendages are arranged . That part of the axis which forces its way downwards , con- stantly avoiding light , and withdrawing from the influence of the air , is the descending axis , or the ...
... centre , round which the leaves and other appendages are arranged . That part of the axis which forces its way downwards , con- stantly avoiding light , and withdrawing from the influence of the air , is the descending axis , or the ...
Other editions - View all
Common terms and phrases
acid Adolphe Brongniart albumen anther apex appearance appendages arrangement axis bark base become body botanists bractea branches Brown buds called calyx Cand Candolle carpella cavity cells cellular tissue cellules centre chalaza characters Class colour common Compositæ compound considered consists corolla cotyledons cuticle dehiscence developed dicotyledons direction disk dissepiments distinct distinguished ducts earth elongated embryo exist extremely filament fleshy flowers fluid fructification fruit genera genus granules hairs hilum indehiscent inflorescence integuments kind latter leaf leaflets leaves Linnæus lobes margin medullary rays membrane Mirb Mirbel modifications monocotyledons nature observed organs ovarium ovula ovulum oxygen parenchyma peculiar pericarpium petals petiole pistillum pith placenta plants Plate plumula pollen produced racters radicle receptacle remarkable roots seed sepals separate side sometimes species spiral vessels sporules stamens stem stigma stomata structure substance surface term terminating testa tree tube valves vascular vegetation veins wood woody fibre
Popular passages
Page 6 - Thysanotus fasciçularii, the flowers of which are of a deep brilliant violet, with a remarkably satiny lustre, that appearance will be found to arise from each particular cell containing a single drop of...
Page 217 - ... in its substance, and of evaporating pores on its surface, enables the crude fluid sent from the roots to be elaborated and digested until it becomes the peculiar secretion of the species; the contraction of a branch and its leaves forms a flower ; the disintegration of the internal tissue of a petal forms an anther; the folding inwards of a leaf is sufficient to constitute a...
Page 525 - ... verging to green. Again, the ranunculus, which is originally of an intense yellow, sports into scarlet, red, purple, and almost any colour but blue. White flowers, which have a tendency to produce red, will never sport to blue, although they will to yellow ; the rose, for example, and chrysanthemums. It is also probable that white flowers with a tendency to produce blue, will not vary to yellow.