. Introduction to botany. Botany. ^nriQSi**^. Fig. 139. Fucus. A, portion of a frond; B, section through) a conceptacle; C, oogonium with eggs : D, antheridium with sperm cells; E, an egg with sperm cells swim- ming about it. After Thuret. from their conceptacles into the surrounding water, and the sperms seek the eggs, being able to swim about by means of two cilia. One of the sperms penetrates the egg and effects its fertilization. The egg then forms a wall about itself and is capable of immediate germination. Some of the marine Algse closely related to Fucus attain as much as a hundred feet
. Introduction to botany. Botany. ^nriQSi**^. Fig. 139. Fucus. A, portion of a frond; B, section through) a conceptacle; C, oogonium with eggs : D, antheridium with sperm cells; E, an egg with sperm cells swim- ming about it. After Thuret. from their conceptacles into the surrounding water, and the sperms seek the eggs, being able to swim about by means of two cilia. One of the sperms penetrates the egg and effects its fertilization. The egg then forms a wall about itself and is capable of immediate germination. Some of the marine Algse closely related to Fucus attain as much as a hundred feet in length, and produce lateral. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Stevens, William Chase, 1861-. Boston, D. C. Heath & Co.
Size: 1471px × 1699px
Photo credit: © The Book Worm / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1900, booksubjectbotany, bookyear1902
