. A class-book of botany, designed for colleges, academies, and other seminaries. Illustrated by a flora of northern, middle, and western states; particularly of the United States north of the Capitol, lat. 38 3/4. Botany; Plants; Plants. XLVIII. ROSACEA. 339 A large proportion of these are natives of temperate climates north of the equator. Properties—A highly important order, whether we regard its delicious fruit, its medicinal Products, or the beauty of its flowers. None of its species (excepting those of the Almond tnbe) are unwholesome An astringent principle characterizes the family, res
. A class-book of botany, designed for colleges, academies, and other seminaries. Illustrated by a flora of northern, middle, and western states; particularly of the United States north of the Capitol, lat. 38 3/4. Botany; Plants; Plants. XLVIII. ROSACEA. 339 A large proportion of these are natives of temperate climates north of the equator. Properties—A highly important order, whether we regard its delicious fruit, its medicinal Products, or the beauty of its flowers. None of its species (excepting those of the Almond tnbe) are unwholesome An astringent principle characterizes the family, residing chiefly in the bark and the roots. 1 ne roots 01 the blackberry have been used in medicine as an astringent; those of Gillenia, as an emetic; Agrmo- Dia, as a vermifuge. The petals of Rosa damascena, yield the well known fragrant oil, called ottar qj rose. The Almond, Peach, &c, abound in prussic acid, a deadly poison, residing chiefly in the Kernels.— Of the Rosacea}, as ornamental flowering shrubs, it is scarcely necessary to PIG. 44.—1. Potentilla arguta, flower and leaf. 2. Vertical section of a flower with the petals removed, showing the perigynous disk, stamens, ovaries, &c. 3. Enlarged ovary and style. 4. Mature ovary. 5. Section showing the seed and funiculus. 6. Vertical section of a flower of Fragaria, showing the peri- gynous stamens, the ovaries, &c. 7. Enlarged carpel. 8. Fruit, consisting of the enlarged receptacle with the achenia external. 9. Perigynous stamens of Rubus Idaeus. 10. Pruit, the fleshy carpels aggre- gated. 11. Section of the fruit. 12. Flower of the apple tree. 13. Vertical section of a rose, showing the distinct carpels in the calyx tube. Conspectus of the Genera. \ Sta. 5. Sibbaldia. 24 ( Leaves {cauline. f Sta. 00. Potentilla. 12 fnot < £ all radical. 1 caudate. ( Leaves simple. Ton a dry | and caudate with {Petals 8 or S I receptacle I the persistent style. I Petals 5. ] on a juicy (which is sweet and
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Keywords: ., bookcentury1800, bookdecade, booksubjectbotany, booksubjectplants
