. Plant studies; an elementary botany. Botany. 3GS PLANT STUDIES The female gametophyte develops within the embryo- sao, and consists at first of seven independent cells, one of which is the egg, no archegoniuni being formed. The. Fui. H2^. T)f'vf]n]iinr'nt of cmliryo of shf])lu'r(rs purse t Cifp.^<//in. a Difotyli'don ; Ijegiiiiiiii^ witJi /, the youiii;i-(<t stage, aiul following the sfciiR-iice to IV. tlu- old- est stage, V re]ireseiils the snspensor, c the cotyledons. ,v the stem-tip, w the root, h the root-cap. Tsole the root-tip at one end of the axis and the stem-tip at the other
. Plant studies; an elementary botany. Botany. 3GS PLANT STUDIES The female gametophyte develops within the embryo- sao, and consists at first of seven independent cells, one of which is the egg, no archegoniuni being formed. The. Fui. H2^. T)f'vf]n]iinr'nt of cmliryo of shf])lu'r(rs purse t Cifp.^<//in. a Difotyli'don ; Ijegiiiiiiii^ witJi /, the youiii;i-(<t stage, aiul following the sfciiR-iice to IV. tlu- old- est stage, V re]ireseiils the snspensor, c the cotyledons. ,v the stem-tip, w the root, h the root-cap. Tsole the root-tip at one end of the axis and the stem-tip at the other between the eotyledons.—Afler IIanstein. egg is in tlie end of tlie sttc nearest the micropyle, in the most convenient position for the entering tube. After fertilization ha,s been accomplished and an oospore formed, one of tlie free cells witliin the embryo-sai' be- gins to divide and to form the endosperm, embryo and BTidosperm thus developing together until the seed is com- 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 Coulter, John Merle, 1851-1928. New York, D. Appleton and Company
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectbotany, bookyear1900
