. Der Tropenpflanzer; zeitschrift fr tropische landwirtschaft. Tropical plants; Tropical crops. — 12:. Fig. 9. Radialer Längsschnitt durch eine 10 bis 12 Tage alte Zapffläche mit Pricker-Einschnitt (P). (Punktierte Partien sind abgestorben.) Verf;r. 15 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 Berlin

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