. An elementary text-book of botany, for the use of Japanese students. Botany. FORMATION OF CELLS. 107. Section S. KINDS OF THE CELL. The form and size of the cell vary greatly, the former being spherical, elliptical, cylindrical, cubical, prismatic, star-shaped, spindle-shaped, etc., and the latter being very large as in Nitella, or very minute as in Bacteria. Longi- tudinal rows of cells often become tulubar by the absorption of their transverse walls. The cells, which are not much longer than they are broad and have rounded or flattened surfaces, are said to be Parenchymatous (Fig. Fia. 122
. An elementary text-book of botany, for the use of Japanese students. Botany. FORMATION OF CELLS. 107. Section S. KINDS OF THE CELL. The form and size of the cell vary greatly, the former being spherical, elliptical, cylindrical, cubical, prismatic, star-shaped, spindle-shaped, etc., and the latter being very large as in Nitella, or very minute as in Bacteria. Longi- tudinal rows of cells often become tulubar by the absorption of their transverse walls. The cells, which are not much longer than they are broad and have rounded or flattened surfaces, are said to be Parenchymatous (Fig. Fia. 122. Fig. 123. 122); those, which are long and spindle- shaped, Prosenchyma- tous (Fig. 123); and those, which are tubu- lar from the absorp- tion of their transverse walls, Vascular (Fig. 115, 116 and 117). The white central portion of the stem of the Yamabuki (Kerria japonica) consists of parenchymatous cells; the hemp-fibres consist of prosenchymatous cells; and the small canals in the wood of the Kiri of vascular cells. Parenchymatous Cells. Prosenchymatous Cells. Vascular cells. :( Fig. 122.—Parenchyma from the stem of the Yamabuki (Kerria japonica). Fig. 123.—Prosenchyma from the stem of the Hosenkwa. Kinds of cells Section 4. FORMATION OF CELLS. The formation of cells takes place in different ways; cells may be divided into two parts by the formation of new transverse walls, each half becoming a new. 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 Saida, Ko?taro?, 1860-1924; Tokahashi, Akiomi, joint author. Tokyo
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectbotany, bookyear1893
