. Outlines of botany for the high school laboratory and classroom (based on Gray's Lessons in botany) Prepared at the request of the Botanical Dept. of Harvard University. Botany; Botany. 293. A Biaiirh of Rock- weed :,/', a fertile portion. — Thurbt. 294. Section of a conceptacle. — Thttrei-. (Fig. 296), enlarged cells produced on branching filaments. The anther- idial filaments grow from the walls of conceptades, either with the 0(")gonia, or in other conceptades upon separate plants, according to the species of Rockweed considered. At maturity both egg cells and antherozoids escape fro
. Outlines of botany for the high school laboratory and classroom (based on Gray's Lessons in botany) Prepared at the request of the Botanical Dept. of Harvard University. Botany; Botany. 293. A Biaiirh of Rock- weed :,/', a fertile portion. — Thurbt. 294. Section of a conceptacle. — Thttrei-. (Fig. 296), enlarged cells produced on branching filaments. The anther- idial filaments grow from the walls of conceptades, either with the 0(")gonia, or in other conceptades upon separate plants, according to the species of Rockweed considered. At maturity both egg cells and antherozoids escape from the concepta- d<\s and float al)()ut. The antherozoids swai'in aljout tlie naked egg cell ener- getically (Fig. 297), and one of them ) finally penetrates and fuses with it. At a wall begins. 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 Leavitt, Robert Greenleaf, 1865-1942; Gray, Asa, 1810-1888. Field, forest, and garden botany. New York, American Book Co
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectbotany, bookyear1901
