Search the scanned history of knowledge.

SWITCH PLANTS, a botanical term for plants, such as broom, with leaves very small or absent, and slender green shoots.

... y distributed. Landolphias are also found. The coffee, cotton and Guinea pepper plants are indigenous, and the tobacco plant flourishes in several districts. Among the trees are several which yield excellent timber, such as the tacula (Pterocarpus tinctorius), ...

... iline, from the specific name of one of the ANIMAL— ANIMAL HEAT indigo-yielding plants, Indigofera anil, anil being derived from the Sanskrit nila, dark-blue, and nlld, the indigo plant. About the same time N. N. Zinin found that on reducing nitrobenzene, a ba ...

... o designate one branch of living things as opposed to the other branch known as plants. Until the discovery of protoplasm, and the series of investigations by which it was established that the cell was a fundamental structure essentially alike in both animals ...

... s human souls are assigned to animals, so primitive man often credits trees and plants with souls in both human or animal form. All over the world agricultural peoples practise elaborate ceremonies explicable, as Mannhardt has shown, on animistic principles. I ...

... turalists of the Christian era they were regarded either as petrifactions or as plants, and many supposed that they occupied a position midway between minerals and plants. The discovery of the animal nature of red coral is due to J. A. de'Peyssonel, a native o ...

... Analysis, Cadiz, 1698), and (the best) by Samuel Horsley (1770). 6th. De Locis Plants is a collection of propositions relating to loci which are either straight lines or circles. Pappus gives somewhat full particulars of the propositions, and restorations wer ...

... rs, but it can be true, while an apologue, with its introduction of animals and plants, to which it lends our ideas and language and emotions, is necessarily devoid of real truth, and even of all probability. The parable reaches heights to which the apologue c ...

... condition of presenting annually to the Royal Society fifty dried specimens of plants till the number should reach 2000. This condition was fulfilled in 1774. Owing to the heavy cost of maintenance and other reasons, the "physic garden" was handed over in 190 ...

... slands, which, as in other cases, were formed from the partial petrification of plants by the mineral substances contained in the water. Considerable remains of baths may still be seen there; they were apparently resorted to by both Vespasian and Titus in thei ...

... y which the station offers to the biologist are specimens of marine animals and plants which abound in the western part of the Mediterranean, and especially in the Gulf of Naples. To obtain these, two screw-steamers and several rowing boats are required, which ...

... ce, probably because the resin procured from the plant was used as incense. The plants belong to the natural order Coniferae, tribe Cupressineae (Cypresses). Thuja occidentalis is the Western or American arbor vitae, the Cupressus Arbor Vitae of old authors. I ...

... uses, or some other principle — but usually after that of natural likeness. The plants are intended to be specimens showing the habit of the tree or shrub, and the collection is essentially an educational one. According to another point of view, an arboretum s ...

... . arbor, a tree), the science and art of tree-cultivation. The culture of those plants which supply the food of man or nourish the domestic animals must have exclusively occupied his attention for many ages; whilst the timber employed in houses, ships and mach ...

... , a herb-garden, or orchard, and a shady bower of interlaced trees, or climbing plants trained on lattice-work. The application of the word has shifted from the grass-covered ground, the proper meaning, to the covering of trees overhead. " Arbor " (from the La ...

... of his observations: the one in which he notices that the parts of animals and plants are in general rounded in form, and the other dealing with the sense of hearing, which, in virtue of its limited receptivity, he compares 1 If this be the proper translation ...

... physiognomy, and the sympathy of body and soul. 24-t rtpi^vTii-: De plantis: On plants. [Not Aristotle's work on this subject.] 25.f rtpi Savnaalwv ixoixr/idrur : De mirabilibus auscultationibus : On phenomena chiefly connected with natural history. 2o.f Mqxa' ...

ARNICA, a genus of plants belonging to the natural order Compositae, and containing 18 species, mostly north-west American. The most important species is Arnica montana (mountain tobacco), a perennial herb found in upland meadows in northern and central Europe ...

... and probably also from one or two other closely allied species of umbelliferous plants. It is produced in eastern Persia and Afghanistan, Herat and Kandahar being centres of the trade. Ferula fetida grows to a height of from 5 to 6 ft., and when the plant has ...

ASPARAGINE, C4H8N2O3, a naturally occurring base, found in plants belonging to the natural orders Leguminosae and ASPARAGUS— ASP ASIA Crucifcrac. It occurs in two optically active forms, namely, as laevo-osparaginc and dcxtro-asparaginc. Laevo-asparagine was i ...

ASPARAGUS, a genus of plants (nat. ord. Liliaceae) containing more than 100 species, and widely distributed in the temperate and warmer parts of the Old World; it was introduced from Europe into America with the early settlers. The name is derived from the Gre ...

... ly order (Liliaceae), containing seven species in the Mediterranean region. The plants are hardy herbaceous perennials with narrow tufted radical leaves and an elongated stem bearing a handsome spike of white or yellow flowers. Asphodelus albus and A. fistulos ...

... chemistry, zoology, mineralogy, anatomy and medicine. Colours, metals, stones, plants, drugs and animal life of all kinds were associated with the planets and placed under their tutelage. In the system that passes under the name of Ptolemy, Saturn is associat ...

... nd shrubberies is Aucuba japonica. It bears male and female flowers on distinct plants; the red berries often last till the AUDAEUS— AUDIENCE next season's flowers appear. There are numerous varieties in cultivation, differing in the variegation of their leave ...

... s well as olives and other southern products. In the south of Dalmatia tropical plants flourish in the open air. The central zone lies between 46* and 49° N. lat., and includes Lower and Upper Austria. Salzburg. Styria. Carinthia, Carniola, Central and Norther ...

... ious fact that not a single bird is visible on the fragments, and the trees and plants, which might easily have been collected in a compact and well-defined section, are widely scattered. Why the alphabetic characters are introduced where they are is a puzzle; ...

... later life became a skilled and enthusiastic collector, particularly of African plants and birds. When he was four-and-twenty he determined to seek his fortunes abroad, and made his way to Turkey, where, after practising medicine on his own account for a short ...

... f the Serra de MarSo. The climate is mild, except among the mountains, and such plants as heliotrope, fuchsias, palms, and aloes thrive in the open throughout the year. Wheat and maize are grown on the plains, and other important products are wine, fruit, oliv ...

... nized ferment (see FERMENTATION), a group of substances, in the constitution of plants and animals, which decompose certain carbon compounds occurring in association with them. See also PLANTS: Physiology; NUTRITION, &c.

... as tropical palms, growing side by side with mildtemperate trees. Early Eocene plants in N. Europe, oaks, willows, chestnuts (Castanea), laurels, indicate a more temperate climate than existed in Middle Eocene when in the Isle of Wight, Hampshire and the adja ...

... aphical Journal, March 1894, on " Evolution of Indian Geography," he says: "The plants of Indian and African coal measures are without exception identical, and among the few animals which have been found in India one is indistinguishable from an African specie ...

... ) and Xcron (3232 ft.). The former was famed in ancient times for its medicinal plants, and at its foot are the celebrated hot springs, near the town of Acdepsus (mod. Lipsos), called the Baths of Heracles, used, we are told, by the dictator L. Cornelius Sulla ...

... e genus, . Eucalyptographia (Melbourne, 1879-1884); J. H. Maiden, Useful Native Plants of Australia (1889).

... 10° in the day. During summer growth is to be encouraged by repotting, but the plants should afterwards be slightly rested by removal to a night temperature of about 60°, water being withheld for a time, though they must not go too long dry, the plant being a ...

... Engelbrecht's Landbauzonen der austertropiscken Lander.* Of the two chief bread-plants of Europe, wheat and rye, wheat is cultivated as far north as about 69° N. both in Norway and Finland, but the limit of the area in which more wheat i* cultivated than rye t ...

... ugh proper amperemeters and voltmeters with omnibus bars, Oi, 02, Os, on a main switchboard, so that any dynamo can be put in connexion system. or removed. The switchboard is generally divided into three parts — one panel for the connexions of the positive fee ...

... aldose is mannose. (/-Mamiose, first prepared by oxidizing (/-mannite, found in plants and manna-ash (Fraxinus ornus), was obtained by Tollens and Gans on hydrolysing cellulose and by Reis from seminine (reserve cellulose), found in certain plant seeds, e.g. v ...

... parts of Europe, in Egypt and India and in several parts of England hundreds of plants are grown on sewage farms for the seeds. The yellow sweet oil obtained by compression from the seeds is considered equal to olive or almond oil for table use. Sunflower oilc ...

... s results, reproduced in the following table, show the comparison. Names of the Plants. Average Weight at which each sort of line broke. When fresh. After no days' maceration. White. Tanned. Tarred. White. | Tanned. Tarred. English hemp, a piece of new tiller- ...

... probability refer to this plant, and not to what we now call the " potato." The plants require a warm sunny climate, long season, and a liberal supply of water during the growing season. For an account of the cultivation in North America, where large quantitie ...