. The Botanical magazine. Plants; Plants -- Japan. Text-fig. 4. Arcliegonium of L japoji- Text-fig. 5. Abnormal archegonium 'C-, with two egg cells (DDxComps. 8). of I. japonica. Two egg cells arranged side by side, without a ventral canal cell (DDxComps. 8). ceptional,I have obs^ervcd that macrospores and microspores deve- loped in one and the same sporangium. Fertilization may take place in several of the archegonia and the embryos may be produced ? but usually only one of them germi- nates, while the others degenerate (Text-fig. 6. 7). After the spermat- ozoa entered the arche- gonium, it t


. The Botanical magazine. Plants; Plants -- Japan. Text-fig. 4. Arcliegonium of L japoji- Text-fig. 5. Abnormal archegonium 'C-, with two egg cells (DDxComps. 8). of I. japonica. Two egg cells arranged side by side, without a ventral canal cell (DDxComps. 8). ceptional,I have obs^ervcd that macrospores and microspores deve- loped in one and the same sporangium. Fertilization may take place in several of the archegonia and the embryos may be produced ? but usually only one of them germi- nates, while the others degenerate (Text-fig. 6. 7). After the spermat- ozoa entered the arche- gonium, it takes about a day or two until an eight to ten celled em- bryo is formed. A small green leaves push out of the raacrospore wall after four or five days. /. japonica, fertil- ized in Jan. 1916, de- veloped into five to six Text-fig. G. Female prothalliiim ^vith an indies stage of green embr" (T>x2). leaved sporelin^s 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 Tokyo Shokubutsu Gakkai; Nihon Shokubutsu Gakkai. Tokyo : Tokyo Botanical Society


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Keywords: ., bookcentury1800, bookdecade1880, booksubjectplants, bookyear1887