. Botany of to-day, a popular account of recent notable discoveries. Botany; Plants. Flowers The genealogy of the colours might then have been as follows :— Spore Brownish Red. Purples. Pink. T>ilac. Blue. Pale Yellow. -Rich Blues. The Spore yellow is extraordinarily common, for we find it in pollen, fern-, moss-, and some algal- or fungus- spores. Nor is the change from yellow to red confined to flowers, for reddish-yellow is one of the commonest colours of lichen-cups, of rust-fungi, cluster-cups, and even in the Alga Chara we find this same shade. Strong sunlight has surely some
. Botany of to-day, a popular account of recent notable discoveries. Botany; Plants. Flowers The genealogy of the colours might then have been as follows :— Spore Brownish Red. Purples. Pink. T>ilac. Blue. Pale Yellow. -Rich Blues. The Spore yellow is extraordinarily common, for we find it in pollen, fern-, moss-, and some algal- or fungus- spores. Nor is the change from yellow to red confined to flowers, for reddish-yellow is one of the commonest colours of lichen-cups, of rust-fungi, cluster-cups, and even in the Alga Chara we find this same shade. Strong sunlight has surely something to do with the development of crimsons, rich blues, purples, and the like.^ Bonnier, Kerner von Marilaun, and others have shown that lowland flowers, when transferred to alpine gardens at 6000 feet, become richer and deeper and more vivid * The mysterious reddish substance anthocyan seems only to be formed when a process of oxidation is going on.® 112. 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 Elliot, George Francis Scott, 1862-1934. Philadelphia, Lippincott
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectbotany, booksubjectpl
