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Updated: May 8, 2025
From this section, which measures exactly one hundred millimeters, carefully separate the epidermal structures in strips, and place the strips at once under an inverted glass to prevent drying; next, separate the pith in a single unbroken piece wholly freed from the ligneous tissue. Finally, remeasure the isolated portions, and compare with the original measure of the internode.
There is no sound to attract the ear, save the measured tread of the caravan, the occasional "Isa! Isa!" of the drivers, the hasty wrench with which our camels snatch a mouthful of some ligneous plant that clings to the stony soil, the creaking of the baggage, or the whistling of the wind that comes moaning over the desert.
In pursuing the different stages of the decomposition of the ligneous matter, I observed no appearance of a disengagement of sulphuretted hydrogen, to which many travellers attribute the smell perceived amidst mangroves.
F. T. Palmer, in "Culture des Cactées", recommending the following treatment for M. communis: Take a Cereus peruvianus of about the same diameter as that of the base of the Melocactus, cut off the head of the former, but not so low as to come upon the hard, ligneous axis, and then pare off the hard epidermis and ribs for about 1 in.
The first operation necessary was to steep the flax, which is usually done by exposing it in the open air in the rain, the wind, and the dew, so as, in a certain degree, to dissolve the plant, rendering the separation of the fibrous and ligneous parts more easy. It can then be cleaned and picked for spinning.
They did not think that the tree we saw, which was more than sixty feet high, had been sown by some passing traveller. Experiments made at San Carlos have shown how rare it is to succeed in causing the bertholletia to germinate, on account of its ligneous pericarp, and the oil contained in its nut which so readily becomes rancid.
Additions and changes are freely made; the simple sentences of the old record are greatly expanded; not only is a spade generally called a useful ligneous and ferruginous agricultural implement, but many things are said concerning the aforesaid spade which Moses or David or Isaiah never dreamed of saying.
The traces of the elephant were now of a different character, from what they had been before arriving at the ant-hill. He had been browsing as he went. His nap had brought a return of appetite; and the wait-a-bit thorns showed the marks of his prehensile trunk. Here and there branches were broken off, stripped clean of their leaves, and the ligneous parts left upon the ground.
The method of soaking and preparing European flax and hemp, had been tried, but with no other effect than separating the vegetable part from the fibres; and a ligneous substance still remaining, it could not be reduced to an useful state.
What a wonderful combination of cells and vessels exist in these vegetable masses, in these gigantic trees of the torrid zone, which without interruption, perhaps during the space of a thousand years, prepare nutritious fluids, raise them to the height of one hundred and eighty feet, convey them down again to the ground, and conceal, beneath a rough and hard bark, under inanimate layers of ligneous matter, all the movements of organic life!
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