. Essentials of botany. Botany; Botany. THE ALG^ 229 Specialization of the apparatus for reproduction and differ- entiation of gametes are always found to accompany progress from the lower to the higher stages of plant development. 294. Summary of the Green Algae.—Green algse occur almost all over the earth's sur- face. They reach their highest development in fresh water, but there are many marine genera and species, and one of the most conspicuous of all the groups is that which embraces the sea- \i|l 'jl lettuce (Ulva) and its Please note that these images are extracted from scanned
. Essentials of botany. Botany; Botany. THE ALG^ 229 Specialization of the apparatus for reproduction and differ- entiation of gametes are always found to accompany progress from the lower to the higher stages of plant development. 294. Summary of the Green Algae.—Green algse occur almost all over the earth's sur- face. They reach their highest development in fresh water, but there are many marine genera and species, and one of the most conspicuous of all the groups is that which embraces the sea- \i|l 'jl lettuce (Ulva) and its 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 Bergen, Joseph Y. (Joseph Young), 1851-1917. Boston, Ginn
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectbotany, bookyear1908
