The structure & development of the mosses and ferns (Archegoniatae) . Fig. 61.—Anthoceros la-cis (L.)-Median longitudinal sectionthrough the base of the sporo-gonium. The archesporium isshaded. F, Foot; v, v, basalsheath, x JOO o
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Keywords: ., bookcentury1800, bookdecade1890, bookidstructuredev, bookyear1895