The elements of botany for beginners and for schools . ia Lepreiurei, double natural size,B62. A piece cut out and much magnified, showing that it is composed of a layerBf cells. 563. A few of the cells more highly magnified: the cells are gelatinousjnd tbick-wajjed. 170 CKYPTOGAMOUS OB FLOWERLESS PLANTS. [SECTION 17. all the Fresh-water Algae, such as those which constitute the silky threadsor green sHme of running streams or standing pools, and which were allcalled Confervas before their immense diversity was known. Some areformed of a single row of cells, developed each from the end of anot
The elements of botany for beginners and for schools . ia Lepreiurei, double natural size,B62. A piece cut out and much magnified, showing that it is composed of a layerBf cells. 563. A few of the cells more highly magnified: the cells are gelatinousjnd tbick-wajjed. 170 CKYPTOGAMOUS OB FLOWERLESS PLANTS. [SECTION 17. all the Fresh-water Algae, such as those which constitute the silky threadsor green sHme of running streams or standing pools, and which were allcalled Confervas before their immense diversity was known. Some areformed of a single row of cells, developed each from the end of branch, the top of one cell producing more tlian one new one(Fig. 564). Others, of a kind which is very commonin fresh water, simple threads made of a line of cells,have the chlorophyll aud protoplasm of each cell ar-ranged in spiral lines or baudsThey form spores in a pecuUaiway, which gives to this family thedesignation of conjugating Algse. 512. At a certain time two par-allel threads approach each othermore closely; contiguous parts of.
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectbotany, bookyear1887
