"Plumbago" Quotes from Famous Books
 ... Plumbago rosea (Plumbaginaceae) follows the sun. The shoot did not begin to revolve until nearly a yard in height; it then made a fine circle in 10 hrs. 45 m. During the next few days it continued to move, but irregularly. On ...
— The Movements and Habits of Climbing Plants • Charles Darwin
... by Humboldt. (1/7. "Personal Narrative" volume 5 part 1 page 18.) At the cataracts of the great rivers Orinoco, Nile, and Congo, the syenitic rocks are coated by a black substance, appearing as if they had been polished with plumbago. The layer is of extreme thinness; and on analysis by Berzelius it was found to consist of the oxides of manganese and iron. In the Orinoco it occurs on the rocks periodically washed by the floods, and in those parts alone where the stream ...
— A Naturalist's Voyage Round the World - The Voyage Of The Beagle • Charles Darwin
... Br. Gleichenia Hermanni, Br. Flagellaria indica, L. Dioscorea bulbifera, L. Calladium ? macrorhizon, Willd. Aristolochia indica, L. Daphne indica, L. Salicornia indica, Willd. Deeringia celosioides, Br. Plumbago zeylanica, L. Dischidia nummularifolia, Br. Acanthus ilicifolius, L. Acanthus ebracteatus, L. Ipomea Turpethum, Br. Ipomea denticulata, Br. Ipomea maritima, Br. Evolvulus villosus, R. et Pav. Trichodesma ...
— Narrative of a Survey of the Intertropical and Western Coasts of Australia] [Volume 2 of 2] • Phillip Parker King
... Graphite, locally known as plumbago, the only commercial mineral of the country, might be seen in the Palace of Mines and Metallurgy. More than 600,000 hundredweights of this valuable commodity were exported in 1899, the greatest demand being ...
— Final Report of the Louisiana Purchase Exposition Commission • Louisiana Purchase Exposition Commission
... ourselves, and drove up to Villa Orotava. The wide road is macadamised and marked with kilometre stones, and is planted on either side with pepper-trees, plane-trees, and the Eucalyptus globulus, which has grown 35 metres, or 115 feet, in seven years. The hedges are formed of blue plumbago, scarlet geranium, yellow acacia, lavender-coloured heliotrope, white jasmine, and pink ...
— A Voyage in the 'Sunbeam' • Annie Allnut Brassey
... micaceous schistus: some of the specimens appear to contain plumbago. The strata lie north-west and south-east, dipping only a few degrees ...
— Account of a Voyage of Discovery - to the West Coast of Corea, and the Great Loo-Choo Island • Captain Basil Hall
... a property of ore which has as yet been made available to only a very slight extent as the basis of a system of separation. If a quantity of mixed fragments of glass and plumbago be pounded together in a mortar with only a moderate degree of pressure, so as to avoid, as far as possible, the breaking of the glass, there will soon come a stage at which the softer material can be separated from the harder simply by means of ...
— Twentieth Century Inventions - A Forecast • George Sutherland |
