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The caudex, or true root, in the orchis lies above the knob; and from this part the fibrous roots and the new knob are produced.
In the tulip the caudex lies below the bulb; from whence proceed the fibrous roots and the new bulbs; and I suspect the tulip-root, after it has flowered, dies like the orchis-root; for the stem of the last year's tulip lies on the outside, and not in the center of the new bulb; which I am informed does not happen in the three or four first years when raised from seed, when it only produces a stem, and slender leaves without flowering.
But meanwhile the Roman consul Appius Claudius Caudex had appeared at Rhegium with the main body of his army, and succeeded in crossing on a dark night in spite of the Carthaginian fleet.
The caudex of the ranunculus, cultivated by the florists, lies above the claw-like root; in this the old root or claws die annually, like the tulip and orchis, and the new claws, which are seen above the old ones, draw down the caudex lower into the earth.
But meanwhile the Roman consul Appius Claudius Caudex had appeared at Rhegium with the main body of his army, and succeeded in crossing on a dark night in spite of the Carthaginian fleet.
The ground is carpeted with a grass of preternaturally vivid green and rankness of growth, mixed with a handsome fern, with a caudex a foot high, the Sadleria cyathoides, and another of exquisite beauty, the Micropia tenuifolia, which are said to be the commonest ferns on Hawaii. It looks Elysian.
The hyacinth-root differs from the tulip-root, as the stem of the last year's flower is always found in the center of the root, and the new off-sets arise from the caudex below the bulb, but not beneath any of the concentric coats of the root, except the external one: hence Mr.
In the tulip-root, dissected in the early spring, just before it begins to shoot, a perfect flower is seen in its center; and between the first and second coat the large next year's bulb is, I believe, produced; between the second and third coat, and between this and the fourth coat, and perhaps further, other less and less bulbs are visible, all adjoining to the caudex at the bottom of the mother-bulb; and which, I am told, require as many years before they will slower, as the number of the coats with which they are covered.
Eaton gave me a tulip root which had been set too deep in the earth, and the caudex had elongated itself near an inch, and the new bulb was formed above the old one, and detached from it, instead of adhering to its side.
The same is said to happen to Scabiosa, or Devil's bit, and some other plants, as valerian and greater plantain; the new fibrous roots rising round the caudex above the old ones, the inferior end of the root becomes stumped, as if cut off, after the old fibres are decayed, and the caudex is drawn down into the earth by these new roots. Dodder. Four males, two females.