Starch grains are sometimes present.
He glanced down at the expensive loafers that now contained tiny grains of sand he'd never be able to flush out of the seams.
The outermost, newly formed layer is composed of a more homogeneous, denser substance than the inner one, and can be distinguished in all starch-grains that are in process of development.
The official dose of powdered colchicum is 2 to 5 grains, which may be given in a cachet.
Other important crops grown are - maize, 324,000 acres; oats, 493,000 acres; other grains, 160,000 acres; hay, 1,367,000 acres; potatoes, 119,000 acres; sugar-cane, 141,000 acres; vines, 65,000 acres; and other crops, 422,000 acres.
The spores, as in the heterosporous Pteridophyta, are of two kindsmicrospores (pollen grains) borne in microsporangia (pollen sacs) on special leaves (sporophylls) known as stamens, and macrospores (embryo-sac) borne in macrosporangia (ovules) on sporophylls known as carpels.
Of the suspended substances, grains of caoutchouc, drops of resin and oil, proteid crystals and starch grains may be mentioned.
Many experimehts point to certain small grains of starch which are capable of displacement as the position of the cell is altered.
The so-called eelworms (Nematodes) may do immense damage on roots and in the grains of cereals, and every one knows how predatory slugs and snails are.
In such plants, the pollen grains are sometimes fihiform and not spherical in shape.
As the starch-grains grow, the leucoplasts gradually disappear.
Starch grains may often be seen in contact with the pigment crystals.
There are many furrows in the sand where some creature has travelled about and doubled on its tracks; and, for wrecks, it is strewn with the cases of caddis-worms made of minute grains of white quartz.
The horses were eating oats from their movable troughs and sparrows flew down and pecked the grains that fell.
Starch exists, in the majority of cases, in the form of grains, which are composed of stratified layers arranged around a nucleus or hilum.
Besides the internal or centripetal growth, some cell-walls are thickened on the outside, such as pollen grains, oospores of Fungi, cells of Peridineae, &c. This centrifugal growth must apparently take place by the activity of protoplasm external to the cell.
Response to the action of gravity appears to be associated with the movements of starch grains in certain cellsstatolith cellsby which pressure is exerted on the cytoplasm and a stimulus set up which results in the geotropic response.
They are present from the beginning of the development of the cell-wail, and arise from the spindle fibres, all of which may be continued as connecting threads (endosperm of Tamus communis), or part of them may be overlaid by cellulose lamellae (endosperm of Lilium Martagon), or they may be all overlaid as in pollen mother-cells and pollen grains of Helleborus foetidus.
A sandy beach or desert owes its character to the mobility of its constituent sand-grains, which are readily drifted and piled up in the form of dunes.
On the fertile low grounds along the margins of rivers or in clearings of forests, agricultural communities naturally take their rise, dwelling in villages and cultivating the wild grains, which by careful nurture and selection have been turned into rich cereals.
Taken internally, in doses of from one to three grains, carbolic acid will often relieve obstinate cases of vomiting and has some value as a gastric antiseptic.
Fifteen grains constitute an exceedingly dangerous dose for an adult male of average weight.
Manson recommends five to ten grains once or twice a week; Ross recommends the same quantity every day before breakfast.
According to Ross, it should be given promptly, in sufficient doses (up to 30 grains), and should be continued for months.
Moreover, the pollen, instead of consisting of separate cells or grains, consists of cells aggregated into "pollen-masses," the number varying in different genera, but very generally two, four, or eight, and in many of the genera provided at the base with a strap-shaped stalk or "caudicle" ending in a flattish gland or "viscid disk" like a boy's sucker.
Deep. The principal crops are African grains, wheat, onions, cotton, tobacco, indigo, with sugar-cane, cassava, &c. The population is chiefly agricultural, but also commercial and industrial.
Linseed and other oil-bearing grains are also important articles of commerce, as well as wool and butter.
Magnetite is a mineral of wide distribution, occurring as grains in many massive and volcanic rocks, like granite, diorite and dolerite.
Grains of magnetite occur in serpentine, as an alteration-product of the olivine.
It was in 1770 that he wrote his famous Lettres sur la liberte du commerce des grains, addressed to the comptroller-general, the abbe Terray.
The principal crops are millet, other food-grains, pulse, oil-seeds and cotton.
Sand consists of grains of quartz or flint, the individual particles of which are large enough to be seen with the unaided eye or readily felt as gritty grains when rubbed between the finger and thumb.
Where the soil grains are quite free from each other the smaller grains tend to fill up the spaces between the larger ones; hence it might be concluded that in clays the amount of pore-space would be less than in coarser sands.
Pomegranate root, or, better, the sulphate of pelletierine in dose of 5 grains with an equal quantity of tannic acid, may be used to replace the male fern.
As compared with the Hindu, the Burmese wear silk instead of cotton, and eat rice instead of the cheaper grains; they are of an altogether freer and less servile, but also of a less practical character.
Other crops which are grown in the province, especially in Upper Burma, comprise maize, tilseed, sugar-cane, cotton, tobacco, wheat, millet, other food grains including pulse, condiments and spices, tea, barley, sago, linseed and other oil-seeds, various fibres, indigo and other dye crops, besides orchards and garden produce.
Grains of gold or particles of ore may be detected by washing samples of gravel in a prospector's 1 Of doubtful origin.
Gainesville is a trading centre and market for the surrounding country, in which cotton, grains, garden truck, fruit and alfalfa are grown and live-stock is raised; and a wholesale distributing point for the neighbouring region in Texas and Oklahoma.
Grains of metallic tin occur intermingled with the gold ores of Siberia, Guiana and Bolivia, and in a few other localities.
It is also found in the form of rolled lumps and grains, "stream tin," in alluvial gravels; the latter are secondary deposits, the products of the disintegration of the first-named primary deposits.
Some importance attaches to the form of the pollen grains; the two principal forms are ellipsoidal with longitudinal bands forming the Convolvulus-type, and a spherical form with a spiny surface known as the Ipomaea-type.
A dull stony-looking rock results, the vitreous lustre having entirely disappeared, and in microscopic section this exhibits a cryptocrystalline structure, being made up of exceedingly minute grains principally of quartz and felspar.