. Botany for high schools and colleges. Botany. 26 tMn partition, thoujrlit that the lenticular cavity was formed by the- separation of the walls of the two contiguous cells at that place, and con- sequently that they were intercellular. This in- terpretation is still given, in some books.* 31. — While the bordered pits of the Coniferse are nsTer crowded together, in the cells of some plants they are so numerous as to lie closely side by side (Fig. 17). In such case the first thick- ening of the "wall pre- sents itself as a net- work of ridges en- closing elliptical thin places.


. Botany for high schools and colleges. Botany. 26 tMn partition, thoujrlit that the lenticular cavity was formed by the- separation of the walls of the two contiguous cells at that place, and con- sequently that they were intercellular. This in- terpretation is still given, in some books.* 31. — While the bordered pits of the Coniferse are nsTer crowded together, in the cells of some plants they are so numerous as to lie closely side by side (Fig. 17). In such case the first thick- ening of the "wall pre- sents itself as a net- work of ridges en- closing elliptical thin places. As the thick- ening advances tlie ridges increase in height, but at first not in breadth ; later they increase in breadth at the top and overarch the thin areas, much as in the bordered pits of the iiS;?fhr™gh7h1 Coniferse. In this, case, however, the. 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 Bessey, Charles E. (Charles Edwin), 1845-1915. New York : H. Holt


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Keywords: ., bookcentury1800, bookdecade1880, booksubjectbotany, bookyear1888