. Contributions from the Hull Botanical Laboratory. Plants. Figs. 3-5.—Two vigorous plants of B. obliquum; plant of with typi- cal leaf and roots, but with unusually good sporangia: small plant of B. obliquum. take a long time to secure any results. How long the spore may rest before germinating is problematical; but even after it ger- minates it is probably a year or more before the pro thallium reaches the fertilization stage. In adult plants the leaf is in its fourth year when it appears above ground. Consequently at least five years, and more probably six or eight years, would
. Contributions from the Hull Botanical Laboratory. Plants. Figs. 3-5.—Two vigorous plants of B. obliquum; plant of with typi- cal leaf and roots, but with unusually good sporangia: small plant of B. obliquum. take a long time to secure any results. How long the spore may rest before germinating is problematical; but even after it ger- minates it is probably a year or more before the pro thallium reaches the fertilization stage. In adult plants the leaf is in its fourth year when it appears above ground. Consequently at least five years, and more probably six or eight years, would elapse between the. 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 Hull Botanical Laboratory. [Chicago : University of Chicago Press
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectplants, bookyear1895
