Text-book of structural and physiological botany . Fig. 537. —I. Fertile branch; II,terminal branch of Lepidoden-dron (reduced). Fig. 535.—Branching stem oi Lehdodendron, from thecoal-beds of Bohemia (reduced). the bark being covered with a number of longitudinal rows ofdiamond-shaped leaf-scars ; [and it is now generally believed 422 Structural and Physiological Botany. that the fossils known as Stig?naria^ and formerly regarded asa distinct plant, are in reality the roots of Sigillaria.] The.

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Keywords: ., bookcentury1800, bookdecade1870, bookpublishernewyorkjwileysons