. Physiological botany; I. Outlines of the histology of phænogamous plants. II. Vegetable physiology. Plant physiology; Plant anatomy. very considerably at the angles, and upon the application of dilute acids swells greatlj-, but without becoming clearly muci- laginous. When moist, such cells have a bluish- 0?^. 44 white color and a marked lustre. They are known as 216. Collenchyma cells. They are generally some- what elongated, and so united as to form threads which possess great strength, and are believed to serve an important me- chanical office in the plant. Good examples of these are affo
. Physiological botany; I. Outlines of the histology of phænogamous plants. II. Vegetable physiology. Plant physiology; Plant anatomy. very considerably at the angles, and upon the application of dilute acids swells greatlj-, but without becoming clearly muci- laginous. When moist, such cells have a bluish- 0?^. 44 white color and a marked lustre. They are known as 216. Collenchyma cells. They are generally some- what elongated, and so united as to form threads which possess great strength, and are believed to serve an important me- chanical office in the plant. Good examples of these are afforded by the stems of manj' Umbelliferae. EPIDERMIS. 217. This is the outermost layer of cells covering the sur- face of the plant. In some of the higher plants it persists with little change throughout the life of the organism ; in others it is Fig. 43. Pavencliymawith wnllswhich have undergone the gelatinous modification: a, from tlie centre of the style of Salvia scabiosaefolia; b, from the stigma of Gesneria elongata. (Capus.) Fio. 44, Transverse section of root-stock of Smilaclna bifolia, showing collenchyma cells just under the epidermis, ep. Note also the ordinary parenchyma atpc, and the endodermis at ap. (Van Tieghem.). 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 Goodale, George L. (George Lincoln), 1839-1923. New York [etc. ] : American Book Co.
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectplantanatomy, bookyea
