. The Garden : an illustrated weekly journal of gardening in all its branches. , even after one days action, adecided increase in the intensity of the colour, and in three days theflowers were nearly as deeply coloured as the normal flowers. Scillacampanulata developed in the dark normal flowers, in which the bluecolour of the corolla was somewhat weaker than the uncovered , while the reddish colour of the inflorescence of the normalplants was absent in the darkened ones. Pulmonaria oflicinalis, onthe other hand, developed its flowers in darkness from the flower,buds quite normally;
. The Garden : an illustrated weekly journal of gardening in all its branches. , even after one days action, adecided increase in the intensity of the colour, and in three days theflowers were nearly as deeply coloured as the normal flowers. Scillacampanulata developed in the dark normal flowers, in which the bluecolour of the corolla was somewhat weaker than the uncovered , while the reddish colour of the inflorescence of the normalplants was absent in the darkened ones. Pulmonaria oflicinalis, onthe other hand, developed its flowers in darkness from the flower,buds quite normally; and also in the darkness the change of colourproper to this flower passed from red to blue, but the flowers thatwere developed later were more weakly coloured. The experimentshere described show that many flowers need light to acquire theirnormal coloration, while others can dispense with it. Wherein liesthe ground of this difference does not yet appear, and numerousfurther experiments will be necessary before the phenomena can bereduced to order. May 13, 18?6.] THE 449 Double-flowered Meadow Saxifrage(Sajtifraga granalata var. flore-pleno).
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Keywords: ., bookpublisherlondonsn, booksubjectgardening, booksubjecthorticul
