An Introduction to Botany |
From inside the book
Results 1-5 of 100
Page x
... surface of the earth ; a question which , however indefinite and unsatisfactory our information may at present be , has begun to assume such an appearance as to justify the expectation , that future discoveries will explain the causes ...
... surface of the earth ; a question which , however indefinite and unsatisfactory our information may at present be , has begun to assume such an appearance as to justify the expectation , that future discoveries will explain the causes ...
Page xv
... Surface 393 4. Texture or Substance - 397 5. Size 399 6. Duration · 401 7. Colour · 402 · 407 - - 408 8. Variegation or Marking 9. Veining 2. Of Individual Relative Terms : 1. Estivation 2. Direction 3. Insertion , or Origin CLASS II ...
... Surface 393 4. Texture or Substance - 397 5. Size 399 6. Duration · 401 7. Colour · 402 · 407 - - 408 8. Variegation or Marking 9. Veining 2. Of Individual Relative Terms : 1. Estivation 2. Direction 3. Insertion , or Origin CLASS II ...
Page 13
... surface , except occasionally a par- ticle or two of greenish matter in its inside ; but sometimes it is covered with spots that have been mistaken for pores , and that give it a peculiar character ( Plate II . fig . 3. and 4. ) ; and I ...
... surface , except occasionally a par- ticle or two of greenish matter in its inside ; but sometimes it is covered with spots that have been mistaken for pores , and that give it a peculiar character ( Plate II . fig . 3. and 4. ) ; and I ...
Page 36
... It also frequently happens that they are found upon one surface of a leaf , but not on another , and generally in most abundance on the under side . In 36 BOOK I. ORGANOGRAPHY . Marsileaceæ 5 Mosses 6 Hepaticæ 7 Lichens 8 Algæ 9 Fungi.
... It also frequently happens that they are found upon one surface of a leaf , but not on another , and generally in most abundance on the under side . In 36 BOOK I. ORGANOGRAPHY . Marsileaceæ 5 Mosses 6 Hepaticæ 7 Lichens 8 Algæ 9 Fungi.
Page 37
... surface of cotyledons . Mr. Brown thinks that the uniformity of the stomata , in figure , position , and size , with respect to the meshes of the cuticle , is often such as to indicate the limits , and sometimes the affinities , of ...
... surface of cotyledons . Mr. Brown thinks that the uniformity of the stomata , in figure , position , and size , with respect to the meshes of the cuticle , is often such as to indicate the limits , and sometimes the affinities , of ...
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.