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Updated: May 19, 2025
One of the dark copper-colored varieties would show to fine effect if surrounded with either yellow Pyrethrum or gray Centaurea. Ageratum, with its delicate lavender-blue flowers, can be made extremely attractive in combination with yellow Coleus. A pink Geranium surrounded with gray Centaurea would be delightful in the harmony that would result from a combination of these colors.
It had been a risk to raise certain people's expectations and then bring them into Tochty garden, for they can be satisfied with no place that has not a clean-shaven lawn and beds of unvarying circles, pyrethrum, calceolaria, and geranium, and brakes of rare roses, and glass-houses with orchids worth fifty pound each, which is a garden in high life, full of luxury, extravagance, weariness.
When a fly devours the pollen greedily from the pyrethrum, which, as we know, will prove fatal to him, it becomes clear at once that flies have no more innate sagacity than men. When we listen to a conservative orator defending the past with salvos of rhetorical fireworks, we are overwhelmed by a realization of the complete odiousness of ornamental stupidity. With cruelty it is much the same.
A plant that introduces color-discord is as much out of place as is the plant whose size makes it a candidate for a position in the rear when it is given a place in the immediate foreground. Pyrethrum uliginosum is a wonderfully free bloomer, growing to a height of three or four feet, therefore well adapted to the middle rows of the border. It blooms during the latter part of summer.
Berichte der Deutschen Chemischen Gesellschaft, 14, 1662. In accordance with an announcement in the March number of the Naturalist, the editor of this department has sent out the seed of two species of pyrethrum, viz. P. roseum and P. cinerarioefolium, to a large number of correspondents in different parts of North America.
On the Sebenico side are a mill for insect-powder made from the pyrethrum, and the pumping-house for the water-supply of the city, the power for the electric lighting being also generated here. The mills are not so busy as they used to be, for the Hungarian and Russian flour is driving the home product out of the market.
Pyrethrum is used as a spray, mixing one ounce to two gallons of water, to destroy cabbage-worms and many other garden insects. If the dry pyrethrum powder is blown from a bellows into a tightly closed room, it is said to destroy all the flies.
The trees are hawthorns, ilex, olive, fig, almond, chestnut, mountain ash, hornbeam, or elm, and I thought I saw oak, though it is said that it does not grow in Dalmatia. Colour was added by many flowers, orchids, iris, yellow daisies, asphodel, and fields of pink pyrethrum; while the dresses of groups of peasants on their way to or from Mass gave brilliant patches of reds and blues.
"I tried mopping the floors with rather a strong solution of creolin but it did little good. Previous experience with pyrethrum was not very satisfactory. Knowing the volatility of naphthalene in warm weather and the irritating character of its vapor led me to try it. I took one room at a time, scattered on the floor five pounds of flake naphthalene and closed it for twenty-four hours.
What part of the plant is used in making insect powder and how is it prepared? Is the plant a perennial? What soil suits it best? The plant is Pyrethrum cinerariaefolium and has a white blossom resembling the common marguerite. The powder is made of the petals and the seed capsules or heads are thoroughly dried in the sun and ground with a run of stone such as was formerly used for making flour.
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