. Plants and their uses; an introduction to botany. Botany; Botany, Economic. Fig. 341, III.—Umbrella-liverwort. Top of arehigoniophore (1) cut ver- tically to show the stalked sporophytes of different ages: the two inner ones are still within the enlarged wall of the archegonium; the right- hand one has protruded on its stalk leaving the archegonial wall as a sheath (calyplra) at the base of its stalk; wdiile the left-hand one has burst open and is shedding its spores and elaters. (Atkinson.). Fig. 341, IV.—Umbrella-liverwort. ni<', cluster of young spores; sp, spore. An elater. A piece of
. Plants and their uses; an introduction to botany. Botany; Botany, Economic. Fig. 341, III.—Umbrella-liverwort. Top of arehigoniophore (1) cut ver- tically to show the stalked sporophytes of different ages: the two inner ones are still within the enlarged wall of the archegonium; the right- hand one has protruded on its stalk leaving the archegonial wall as a sheath (calyplra) at the base of its stalk; wdiile the left-hand one has burst open and is shedding its spores and elaters. (Atkinson.). Fig. 341, IV.—Umbrella-liverwort. ni<', cluster of young spores; sp, spore. An elater. A piece of the same, showing the elastic spring-like spiral thickening within. All highly magnified. (Atkinson.). 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 Sargent, Frederick Leroy, 1863-. New York, H. Holt and Company
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbotany, bookyear1913
