. Contributions from the Hull Botanical Laboratory. Plants. ioiG] NOTUNA GELâREDUCTION DI\'ISIONS 455 along that portion (figs. 2, 3). In the beginning the vacuoles are short, narrow slits (tigs. 2, 3), but later, owing to their enlargement, 6 , c . d a b , c , d I\â g gg _â -.â . j. â ...â -. , 1 a ^..;.. ^gg '2. Fig. i.âDiagram to illustrate reduction divisions as found in Allium trim, cm, 4 chromosomes only being shown: (1) telophase of last division of sporogenous tissue; (2) late telophase of same; (3) resting nucleus of pollen mother cell; (4) late resting condition; (5) going into synap


. Contributions from the Hull Botanical Laboratory. Plants. ioiG] NOTUNA GELâREDUCTION DI\'ISIONS 455 along that portion (figs. 2, 3). In the beginning the vacuoles are short, narrow slits (tigs. 2, 3), but later, owing to their enlargement, 6 , c . d a b , c , d I\â g gg _â -.â . j. â ...â -. , 1 a ^..;.. ^gg '2. Fig. i.âDiagram to illustrate reduction divisions as found in Allium trim, cm, 4 chromosomes only being shown: (1) telophase of last division of sporogenous tissue; (2) late telophase of same; (3) resting nucleus of pollen mother cell; (4) late resting condition; (5) going into synapsis; (6) condition of thread during synapsis and spirem; (7) segmented; (8) condition at time of third contraction and multipolar spindle; (9) metaphase; (10) anaphase; (11) telophase; (12) spirem of daughter nucleus! (13) segmented spirem of daughter nucleus; (14) metaphase; (15) anaphase; (16) tetrad or granddaughter nucleus. the chromatin bordering the two sides of the vacuoles becomes more widely separated, although still joined together by portions or strands of chromatin that separate the vacuoles, resulting in. 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 Hull Botanical Laboratory. [Chicago : University of Chicago Press


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Keywords: ., bookcentury1800, bookdecade1890, booksubjectplants, bookyear1895