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Example Sentences for "botanists "


Looking upon fungi from this chromatological point of view, they bear something like the same relation to lichens that the petals of a leafless parasitic plant would bear to the foliage of one of normal character-that is to say, they are, as it were, the coloured organs of reproduction of parasitic plants of a type closely approaching that of lichens, which, of course, is in very close, if not in absolute agreement with the conclusions drawn by botanists from entirely different data.

Most of the German botanists give this explanation, others suppose that it forms at first or during its continuance a special matter, in which the [113] luminous property resides; this matter, which is said to be mucilaginous in the luminous wood, appears to be in the Rhizomorpha only a kind of chemical combination between the membrane and some gummy substance which they contain.

It is to be hoped that the young race of botanists in the United States will apply themselves to the task of investigating [267] the Mycologic Flora of this rich and fertile region.

In germination the spores send out slender threads which Botanists call mycelium, but which common readers know as spawn.

Owing to the fact that botanists of various countries, writing in diverse languages, have for more than a century been engaged in describing the fungi of their respective countries, with their work frequently unknown to one another, it is not surprising that there has been constant revision, or that many changes have been made in the way of classification and nomenclature which to the amateur student are often confusing.

Lepiota racodes closely resembles Lepiota procera, and by some botanists the two are regarded as forms of the same species.

These subdivisions have been designated as tribes by some botanists and subgenera by others, etc.

The scientific names and classification follow that method adopted by the International Botanical Congress which has now superseded all others; nevertheless the titles employed by Gray, with which older botanists in this country are familiar, are also indicated where they differ from the new nomenclature.

Slight variations in this plant have been considered sufficient to differentiate several species formerly included by Gray and other American botanists under the name of S.

An insignificant little flower by itself, conspicuous only because it rears itself in clusters on a level with one's eyes, lacking beauty, perfume, and all that makes a blossom charming to the human mind - why has it been elevated by the botanists to the dignity of lending its name to a large and important family, and why is it mentioned at all in a popular flower book beside the more showy ornaments of nature's garden?

Clumps of these delicate little pinkish blossoms and abundant leaves, cuddled close to the cold earth of northern forests, usually conceal near the dry leaves or moss from which they spring blind flowers that never open - cleistogamous the botanists call them - flowers that lack petals, as if they were immature buds; that lack odor, nectar, and entrance; yet they are perfectly mature, self-fertilized, and abundantly fruitful.

As a family the wood-sorrels have great interest for botanists since Darwin devoted such exhaustive study to their power of movement, and many other scientists have described the several forms assumed by perfect flowers of the same species to secure cross-fertilization.

Formerly it was so classed; and although the botanists have now removed its family one step away, the milkweed butterflies, especially the Monarch (Anosia plexippus), ignoring the arbitrary dividing line of man, still includes the dogbane on its visiting list.

" It is contended by one group of scientists that the water lily, which shows the plainest metamorphosis of some sort, has developed its stamens from petals - just the reverse of Nature's method, other botanists claim.

Because these are what botanists term polygamous flowers, i.

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