Hitherto but few monocotyledonous plants have been discovered in the coal-strata.
There can at least be no doubt as to the high grade of its organisation, and that it belongs to the monocotyledonous angiosperms.
The only phaenogamous plants were constitute any feature in the coal are the coniferae; monocotyledonous angiosperms appear to have been very rare, and the dicotyledonous, with one or two doubtful exceptions, were wanting.
If the leaf of a Monocotyledonous plant be held up to the light, the principal veins will be found to form parallel lines of nearly equal thickness, the central one being very little, if any, larger than the others (see a in fig.
The germination of a Monocotyledonous plant, with the cotyledon remaining in the ground, is shown at c.
To it belong all plants with monocotyledonous embryo (40).
There seems to have been a tendency to use the monocotyledonous plants and the bast from the trees for coarser work and the diocotyledonous herbaceous plants for the manufacture of finer cords and threads.
This seems to account for the dominance ofmonocotyledonous fibers in prehistoric collections.
Grass Family) The grass family was the most commonly and widely used of any of the monocotyledonous families.
Up to the close of the Lower Cretaceous, no Angiospermous Exogens are certainly known to have existed, and Monocotyledonous plants or Endogens are very poorly represented.
White sandstone, brittle sandstein, alternating with lias, or limestone with graphites; a quantity of dicotyledonous mixed with monocotyledonous plants.
The existence of an independent formation of primitive slate (urthonschiefer) may even be doubted, that is, of a formation which is not joined below by strata containing some vestiges of monocotyledonous plants.
It is anterior to the period when the surface of the earth became covered with monocotyledonous plants.
Perhaps monocotyledonous plants are more subject to this numerical reduction of the parts of several verticils than are other flowering plants.
In monocotyledonous flowers, especially those with a coloured perianth, the substitution of segments of the perianth for stamens occurs not unfrequently.
Our single example of the Liliaceae is the Butcher's Broom (Ruscus aculeatus), the only British monocotyledonous shrub.
The pretty little Bog Asphodel (Narthecium ossifragum) shall first receive our attention because botanists are not yet in agreement as to its correct position among the monocotyledonous plants.
It is the domain of the monocotyledonous plants; for amidst the gramina only a few Maguey* plants rise here and there (* Agave Americana.
It is from the study of such palms that much light will be thrown on the growth of monocotyledonous stems.
We might as well form into one division all the ternarily formed Dicotyledons, and into another all those Monocotyledonous plants with evident distinction between the calyx and corolla.
This leads one to the idea that in monocotyledonous plants, the fruit is very generally of limited powers of variation; witness Orchideae, Gramineae, Smilacineae, etc.
After a residence of 20 days here, I wrote to Mr. Solly, stating nothing particular, except that Bucklandia has coniferous tissue, and that Podostemon will probably prove Monocotyledonous and allied to Pistiaceae.
Are the sheaths found on certain radicles strictly confined to monocotyledonous plants.
The sheath-like cotyledons of this monocotyledonous plant were selected for trial, because they are very sensitive to light and circumnutate well, as formerly shown (see Fig.
Bundle sheath sclerenchymatous cells or fibres found round the vascular bundles of the monocotyledonous type, such as those of grasses, 20.
As already stated, the roots of grasses conform to the monocotyledonous type, but the variations met with in their structure are not so great as in the case of the stem.
Coleorhiza the sheath of a monocotyledonous embryo which is pierced by the radicle during germination, 18.
The shoots and roots of grasses conform in their internal structure to the monocotyledonous type.
The typical and beautifully preserved Palm-wood from Cretaceous rocks is striking evidence of the early evolution of a characteristic monocotyledonous family.
They are generally considered to represent the inner whorl of the ordinary monocotyledonous (liliaceous) perianth, the outer whorl of these being suppressed as well as the posterior member of the inner whorl.
The rhizome is always solid, and has the usual internal structure of the monocotyledonous stem.
To other monocotyledonous families the resemblances are merely of adaptive or vegetative characters.
Comparing the flower of Gramineae with the general monocotyledonous plan as represented by Liliaceae and other families (fig.
In monocotyledonous plants there is only one seed-leaf or cotyledon, and hence the arrangement is at first alternate; and it generally continues so more or less, rarely being verticillate.
In 1680 he noticed that yeast consists of minute globular particles, and he described the different structure of the stem in monocotyledonous and dicotyledonous plants.
In general terms these are grasslike, monocotyledonous plants, the stems of which are solid, jointed, and frequently angular.
We have now to leave the monocotyledonous plants and pass on to the dicotyledons, which form the most highly developed of the primary divisions of the vegetable kingdom.
But then we find that labiates and their allies among the dicotyledonous plants, and orchids among the monocotyledonous ones are especially subjected to this alteration.
In some instances the complete double whorl of six, corresponding to the ancestral monocotyledonous type, has been found.
The capsule of mosses is an antetype of monocotyledonous seeds; it is a spathe-leaf with the lateral suture; it springs up in a tubular manner similar to grass-leaves, that free themselves from the nodes of the culm.
A monocotyledonous seed is in its structure none other than a small bulb with undivided coverings.
On digging deep into the ground, in high valleys, where neither palm-trees nor arborescent ferns can grow, strata of coal are discovered, that still show vestiges of gigantic monocotyledonous plants.
What is the monocotyledonous plant* that furnishes these admirable reeds?
In the monocotyledonous plants there is no milky juice; but the perisperm of the palms, which yields such sweet and agreeable milky emulsions, contains, no doubt, caseum.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "monocotyledonous" in a variety of sentences. We hope that you will now be able to make sentences using this word.
