How to use Thalli in a sentence

thalli
  • The cylindrical branches of the fruticose forms are usually radially symmetrical, but the flattened branches of these forms and also the thalli of the foliaceous form show a difference in the cortex of the upper and lower side.

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  • A yellow colour with caustic potash solution is produced not only by atranoric acid but also by evernic acid, thamnolic acid, &c. Again in the case of Xanthoria parietina vulpinic acid is only to be found in young thalli growing on sandstone; in older forms or in those growing on another substratum it is not to be detected.

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  • These pigments primarily depend upon special acids contained in the thalli of lichens, and their presence may readily be detected by means of the reagents already noticed.

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  • These structures cannot 3, then be produced from the product of a single spore nor even from the thalli derived from any two spores.

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  • The two kinds of 4, thalli Blakeslee considers to have a differentiation 5, of the nature of sex and he distinguishes them as (+) and (-) forms; the former being usually distinguished by a somewhat greater luxuriance of growth.

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  • In the compact thalli a secondary development often takes place by the growth of rhizoid-like internal filaments.

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