. A Manual of botany : being an introduction to the study of the structure, physiology, and classification of plants . Botany. Fig. 938. Fig. 939. of Palm leaves, included under the name of Palmacites (fig. 942). Specimens allied to Chara are also found, with their fructification denominated Gyrogonites. The Tertiary period is characterised by the abundance of Angio- Figs. 935-937. Structure of ordinary Dicotyledonous stems, to illustrate the appearances presented by some tertiary fossil woods. Fig. 935. Portion of a Dicotyledonous (Exo- genous) stem- cut transversely. Natui'al size. Fig. 936.


. A Manual of botany : being an introduction to the study of the structure, physiology, and classification of plants . Botany. Fig. 938. Fig. 939. of Palm leaves, included under the name of Palmacites (fig. 942). Specimens allied to Chara are also found, with their fructification denominated Gyrogonites. The Tertiary period is characterised by the abundance of Angio- Figs. 935-937. Structure of ordinary Dicotyledonous stems, to illustrate the appearances presented by some tertiary fossil woods. Fig. 935. Portion of a Dicotyledonous (Exo- genous) stem- cut transversely. Natui'al size. Fig. 936. Section of the same magnified, to show the occurrence of large porous vessels. The ordinary Dicotyledons differ in tliis respect from Fig, 937. Longitudinal section of the same in the line a b, per- pendicular to the medullary plates, showing woody tissue and large pitted vessel, and the rays appearing here and there among the woody tissue. Fig. 938. Leaf of fossil Elm of the middle Tertiary epoch. Fig. 939. Leaf of Comptonia acntiloha, an Amentiferous plant of the same 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 Balfour, John Hutton, 1808-1884. Edinburgh : A. and C. Black


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Keywords: ., bookcentury1800, bookdecade1870, booksubjectbotany, bookyear1875