. Cyclopedia of American horticulture, comprising suggestions for cultivation of horticultural plants, descriptions of the species of fruits, vegetables, flowers, and ornamental plants sold in the United States and Canada, together with geographical and biographical sketches. Gardening. 1828 TRAGOPOGON A. Fluid porriJ61ius, Linn. Salsify. Vegetable Oyster. Oyster Plant. Fi^s. 22:;8, 2j-t3. Tall strict biennial, sometinu-s 4 ft. high when in bloom, glabrous: tls. showy, r-losiut; at neon or before, the outer rays ex- ceeded by the invnbinre srales: peduucle thickened and. 2543. Flowers of Salsi
. Cyclopedia of American horticulture, comprising suggestions for cultivation of horticultural plants, descriptions of the species of fruits, vegetables, flowers, and ornamental plants sold in the United States and Canada, together with geographical and biographical sketches. Gardening. 1828 TRAGOPOGON A. Fluid porriJ61ius, Linn. Salsify. Vegetable Oyster. Oyster Plant. Fi^s. 22:;8, 2j-t3. Tall strict biennial, sometinu-s 4 ft. high when in bloom, glabrous: tls. showy, r-losiut; at neon or before, the outer rays ex- ceeded by the invnbinre srales: peduucle thickened and. 2543. Flowers of Salsify or Oyster Plant — Traeopogon porrifolius (X .H). hollow beneath the heads. S. Eu. Naturalized in many parts of the countrv, often becoming a persistent weed. See S«?.si7//. AA. Flnii'rrs ycUow. praMnsis, Linn. G-oat's Beard. More orlpsshranehed. 3 ft. or less tall : niiter rays exceeding the involucre scales: peduncle scarcely swollen. A weed from Eu- rore. L. H. B. TRAILEES. See Vhii?!:. TRAILING AEBUTUS. Eplf/rea repens. TPtAILING BEGONIA, Cisxvs (Uxeolor. TRAINING, See Pniinnij. TRANSPIRATION is (he process by which water is given off in the form of N-apeu- from leaves and stems. Instead of a circitlatitjii of the sap in plants similar to the movements of the blood of animals, water contain- ing mineral salts is taken in at the roots in liquid furni and carried upward ti> the h>;ives through the weiody tissue, and then , leaving the mineral or ash l)ehind in the leaf, where it seoAes in making food. The chief purpose of transpiration is. therefore, to carry a stream of mineral feed freiu the soil to the green parts of the plant, although it also series to aid in the ex- change of gases with the aii-, and iireserves more equable temperatures of the Ijody et lie' plant. Minerals maybe abserbed by the plant only in very dilute solutions. Hence it is necessary for the plant to lift several thousand pounds of water to the leaves in order to obtain one pou
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