. Bulletin of the Department of Agriculture. Agriculture; Agriculture. 4 BULLETIN 969, U. S. DEPARTMENT OF AGRICULTURE. ''it is found along ; It follows the valley of the Columbia Eiver and its tributaries into Idaho, where it is occasionally found at an altitude of 6,000 feet. It occurs on the Warner Mountains, Modoc County, Calif., at that altitude, but usually in other parts of the United States it is at much lower altitudes. Like A. galioides it quite plainly thrives best in newly disturbed soil, but there is no evidence that it is spreading as a weed so rapidly as A. gal
. Bulletin of the Department of Agriculture. Agriculture; Agriculture. 4 BULLETIN 969, U. S. DEPARTMENT OF AGRICULTURE. ''it is found along ; It follows the valley of the Columbia Eiver and its tributaries into Idaho, where it is occasionally found at an altitude of 6,000 feet. It occurs on the Warner Mountains, Modoc County, Calif., at that altitude, but usually in other parts of the United States it is at much lower altitudes. Like A. galioides it quite plainly thrives best in newly disturbed soil, but there is no evidence that it is spreading as a weed so rapidly as A. galioides. In comparison with A. galioides it is a larger plant, with wider leaves and flower clusters in a terminal Fit. 1.—Distribtuion of Asclepias mexicana in the United States. EXPERIMENTAL WORK. During the summer of 1920, 19 feeding experiments with Asclepias mexicana were made. In all cases sheep were used, the material being fed with the balling gun. In 5 cases the whole top—leaves, stems, and flowers—^was fed; in 5 other cases leaves and in 9 cases stems were used. The material was obtained through the kindness of Prof. H. M. Hall, of the Carnegie Institution, and was collected at Mount Diablo, Solano, Hollister, and between Newman and Dos Palos, all in California. While dried plant was fed, the dosage is given in terms of green plant for 100 pounds weight of sheep, 75 per cent being allowed for loss in drying. In Table 1 the experiments with this plant are Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original United States. Dept. of Agriculture. [Washington, D. C. ?] : The Dept. : Supt. of Docs. , G. P. O.
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