| 单词 | Gramineae |
| 例句 | Yet the first attempts at a classification of plants recognized and separated a group of Gramina, and this, though bounded by nothing more definite than habit and general appearance, contained the Gramineae of modern botanists. Encyclopaedia Britannica, 11th Edition, Volume 12, Slice 3 "Gordon, Lord George" to "Grasses" 2011-11-13T03:00:13.177Z Sometimes, however, as in Gramineae, the stigma of a single carpel divides. Encyclopaedia Britannica, 11th Edition, Volume 10, Slice 5 "Fleury, Claude" to "Foraker" 2011-04-03T02:00:20.883Z Compositae are comparatively rare; so also Gramineae and Cyperaceae are in some places deficient, and Labiatae, Leguminosae and ferns in others. Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 7 "Arundel, Thomas" to "Athens" It is a chemical compound producing a controlled mutation in any treated member of the family Gramineae. Greener Than You Think The most remarkable feature here is the class of Liorhizal Dicotyledons, which includes only the families of Nymphaeaceae and Gramineae. Encyclopaedia Britannica, 11th Edition, Volume 2, Part 1, Slice 1 This character is absolute for the whole order, and effectually separates Gramineae from Cyperaceae. Encyclopaedia Britannica, 11th Edition, Volume 12, Slice 3 "Gordon, Lord George" to "Grasses" 2011-11-13T03:00:13.177Z But the sheath-like cotyledons of some Gramineae, for instance, those of Phalaris, are not green and contain very little starch; from which fact we may infer that they decompose little or no carbonic acid. The Power of Movement in Plants The principal orders, arranged according to their numerical importance, are as follows:—Leguminosae, Rubiaceae, Orchidaceae, Compositae, Gramineae, Euphorbiaceae, Acanthaceae, Cyperaceae and Labiatae. Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 7 "Arundel, Thomas" to "Athens" It is apparently effective only on the family Gramineae, producing a constitutional metabolic change. Greener Than You Think The Gramineae offer a prominent example of a dominant self-pollinated or wind-pollinated family, and this may find explanation in a multiplicity of factors. Encyclopaedia Britannica, 11th Edition, Volume 2, Part 1, Slice 1 Classification.—Gramineae are sharply defined from all other plants, and there are no genera as to which it is possible to feel a doubt whether they should be referred to it or not. Encyclopaedia Britannica, 11th Edition, Volume 12, Slice 3 "Gordon, Lord George" to "Grasses" 2011-11-13T03:00:13.177Z But as this occurred in the four species examined by us, belonging to such distinct families as the Gramineae, Cruciferae, and Chenopodeae, it is probably of common occurrence. The Power of Movement in Plants I am surprised at what you say about Compositae and Gramineae. More Letters of Charles Darwin — Volume 2 Cynodon dactylon," said Miss Francis, "like most of the family Gramineae, is propagated not only by seed, but by cuttings as well. Greener Than You Think Something of the same kind occurs with certain Gramineae. The Power of Movement in Plants Bracts of a more general character subtending branches of the inflorescence are singularly rare in Gramineae, in marked contrast with Cyperaceae, where they are so conspicuous. Encyclopaedia Britannica, 11th Edition, Volume 12, Slice 3 "Gordon, Lord George" to "Grasses" 2011-11-13T03:00:13.177Z In the Gramineae the summit of the straight, sheath-like cotyledon is developed into a hard sharp crest, which evidently serves for breaking through the earth. The Power of Movement in Plants You and Bentham must hate the monocotyledons, for what work the Orchideae must have been, and Gramineae and Cyperaceae will be. More Letters of Charles Darwin — Volume 2 I felt no one had a right to plant ivy when I was selling something effective only on the family Gramineae. Greener Than You Think We shall hereafter meet with the same kind of movement in the joints of certain Gramineae, and it is probably common to many plants while circumnutating. The Power of Movement in Plants |
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