Titlebook: Nonseed Plants; Form and Function William T. Doyle Textbook 1970Latest edition Macmillan Publishers Limited 1970 biology.botany.function.pl

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Euglenoids,shape) contains both green and nonpigmented organisms. Euglenoids are predominantly fresh-water organisms, although a few are marine. They are often abundant in places where there is a large quantity of organic nitrogenous compounds, such as polluted streams, wet barnyards, and the margins of ponds.

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Bryophytes,es were separated from the other land plants because of the absence of a lignified water-conducting tissue. However, the importance of this distinction has diminished in recent years, as will be discussed below. It is now recognized that the bryophytes (especially the mosses) have all the distinctiv

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Ferns and Fern Allies,ternation of generations in which the sporophyte is dominant and has an axis containing xylem and phloem. (Further information concerning details of organ and tissue differentiation of vascular plants, with particular reference to seed plants, can be found in Salisbury and Parke, ., this series.) Th

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