. Plants and their uses; an introduction to botany . Fig. .341, IV.—Unihrelhirliverwort. me, cluster of young spores; sp, elater. A piece of the same, showing the elastic spring-like spiralthickening within. All highly magnified. (Atkinson.) THE TRUE MOSSES 521.

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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbotany, bookyear1913