| 单词 | Lythrum |
| 例句 | Other plants are trimorphic, as species of Lythrum, and proper fertilization is only effected by combination of parts of equal length. Encyclopaedia Britannica, 11th Edition, Volume 10, Slice 5 "Fleury, Claude" to "Foraker" 2011-04-03T02:00:20.883Z Flowers in terminal panicles; leaves opposite or whorled Loosestrife, Lythrum salicaria. The Plants of Michigan Simple Keys for the Identification of the Native Seed Plants of the State But in both these passages the plant intended is the Lythrum salicaria, or Purple Loosestrife. The plant-lore & garden-craft of Shakespeare These insects also feed on the flowers and foliage of purple loosestrife, ~Lythrum salicifolia~, so plentiful and showy in our swampy fields. Northern Nut Growers Association Report of the Proceedings at the 41st Annual Meeting Pleasant Valley, New York, August 28, 29 and 30, 1950 Lythrum.—Very handsome hardy perennials which thrive in any garden soil, and may be raised from seed or increased by dividing the roots. Gardening for the Million The smooth variety of the European Lythrum salicaria, raised its crimson spikes of flowers among the reeds of the Macquarie, as it does in England on the banks of the Thames. Journal of an Expedition into the Interior of Tropical Australia These have been observed in three families, and consist of species of Lythrum and of the allied genus Nesaea, of Oxalis and Pontederia. The Different Forms of Flowers on Plants of the Same Species I am almost stark, staring mad over Lythrum. See America First Oliver said he would speak about some seeds of Lythrum hyssopifolium being preserved for me. More Letters of Charles Darwin — Volume 2 I have wonderful facts, the result of experiment, on Lythrum salicaria. More Letters of Charles Darwin — Volume 1 Indeed, any dried dimorphic plants would be gratefully received… Did my Lythrum paper interest you? Life and Letters of Charles Darwin — Volume 2 Diagram of the flowers of the three forms of Lythrum salicaria, in their natural position, with the petals and calyx removed on the near side: enlarged six times. The Different Forms of Flowers on Plants of the Same Species The remarkable conditions represented in plants with three kinds of flowers, such as Lythrum and Oxalis, agree in essentials with those in Primula. Darwin and Modern Science By the way, I am rather disgusted to find I cannot publish this year on Lythrum salicaria; I must make 126 additional crosses. More Letters of Charles Darwin — Volume 2 I did suggest to you to work out proportion of plants with irregular flowers on islands; I did this after giving a very short discussion on irregular flowers in my Lythrum paper. More Letters of Charles Darwin — Volume 1 I have done nothing which has interested me so much as Lythrum, since making out the complemental males of Cirripedes. Life and Letters of Charles Darwin — Volume 2 When nectar is secreted on all sides, they bend to that side where the structure of the flower allows the easiest access to it, as in Lythrum, various Papilionaceae, and others. The Different Forms of Flowers on Plants of the Same Species In order to establish the relative fertility of the different unions in Lythrum salicaria 223 different fertilisations were made, each flower being deprived of its male organs and then dusted with the appropriate pollen. Darwin and Modern Science Since I asked you about Oxalis, Dr. Hildebrand has published a paper showing that a great number of species are trimorphic, like Lythrum, but he has tried hardly any experiments. More Letters of Charles Darwin — Volume 2 If you have looked at Lythrum you will see how pollen can be modified merely to favour crossing; with equal readiness it could be modified to prevent crossing. More Letters of Charles Darwin — Volume 1 I may add, with respect to the beauty of flowers, that I have already hinted the same views as you hold in my paper on Lythrum. Life and Letters of Charles Darwin — Volume 2 These differed from one another in the proportional lengths of their organs of fructification and in all respects, in very nearly the same way as the three forms of Lythrum Graefferi. The Different Forms of Flowers on Plants of the Same Species Lythrum salicaria is much affected in its fertility by the nature of the season; and to avoid error from this source, as far as possible, my observations were continued during several years. The Different Forms of Flowers on Plants of the Same Species I was so much struck with this fact with Lythrum, that I began experimenting on some Melastomaceae, which have two sets of extremely differently coloured anthers. More Letters of Charles Darwin — Volume 2 When we treat of Lythrum salicaria we shall find a strongly marked contrast in the colour of the pollen in two of the forms. The Different Forms of Flowers on Plants of the Same Species Illegitimate offspring from all three forms of Lythrum salicaria. The Different Forms of Flowers on Plants of the Same Species Lastly, the three longer stamens alternate with the three shorter ones, whereas in Lythrum and Oxalis the long and short stamens belong to distinct whorls. The Different Forms of Flowers on Plants of the Same Species With Lythrum salicaria, however, we have the curious and unique case of the mid-styled form being more feminine or less masculine in nature than the other two forms. The Different Forms of Flowers on Plants of the Same Species |
| 随便看 |
英语例句辞典收录了117811条英语例句在线翻译词条，基本涵盖了全部常用单词及词组的例句翻译及用法，是英语学习的有利工具。