. A manual of structural botany; an introductory textbook for students of science and pharmacy. Plant morphology. PLACE AND NATURE OF ORIGIN 163 oldest existing phytomer perishes each year as a successive apical one is formed (Fig. 450, b). Forms of Rhizomes.—Rhizomes are so numerous and important in pharmacy that their characters call for special attention. They are classed as short or elongated, the former term referring to those. 4J£. Forms of rhizomes: Fig. 447. Convallar\a, with annular roots: a, terminal bud. 448. Cimicifuga, its cup-shaped stem-scars much elevated. 449. Podophyllum, its


. A manual of structural botany; an introductory textbook for students of science and pharmacy. Plant morphology. PLACE AND NATURE OF ORIGIN 163 oldest existing phytomer perishes each year as a successive apical one is formed (Fig. 450, b). Forms of Rhizomes.—Rhizomes are so numerous and important in pharmacy that their characters call for special attention. They are classed as short or elongated, the former term referring to those. 4J£. Forms of rhizomes: Fig. 447. Convallar\a, with annular roots: a, terminal bud. 448. Cimicifuga, its cup-shaped stem-scars much elevated. 449. Podophyllum, its internodes elongated. 450. Poly- ffona/um, its cup-shaped scars depressed. 451. /n's, its roots aggregated at one end. 452. Acorus, with V-sbaped leaf-scars. the extreme length or shortness of which fall within certain fairly defined and restricted limits; the latter, those which either possess an indefinite extension, or the definite length of which is a great many times their thickness. Terms indicative of their form and consistency do not differ materially from those applied to other stems and to roots. They are almost always sympodial. They are -s-ery subject to flatten-. 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 Rusby, Henry Hurd, 1855-. Philadelphia and New York, Lea & Febiger


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Keywords: ., bookcentury1900, bookdecade1910, bookpublisherphila, bookyear1911