. An illustrated flora of the northern United States, Canada and the British possessions, from Newfoundland to the parallel of the southern boundary of Virginia, and from the Atlantic Ocean westward to the 102d meridian. Botany; Botany. 514 Vol. II. I. Althaea officinalis L. Marsh-Mallow. Wymote. Fig. 2847. Althaea officinalis L. Sp. PI. 686. 1753. Perennial, herbaceous, erect, 2°-4° high, branch- ing, densely velvety pubescent. Leaves broadly ovate, acute or obtuse, dentate and generally 3-Iobed, the lower ones often cordate; veins ele- vated on the lower surfaces; petioles i'-i'
. An illustrated flora of the northern United States, Canada and the British possessions, from Newfoundland to the parallel of the southern boundary of Virginia, and from the Atlantic Ocean westward to the 102d meridian. Botany; Botany. 514 Vol. II. I. Althaea officinalis L. Marsh-Mallow. Wymote. Fig. 2847. Althaea officinalis L. Sp. PI. 686. 1753. Perennial, herbaceous, erect, 2°-4° high, branch- ing, densely velvety pubescent. Leaves broadly ovate, acute or obtuse, dentate and generally 3-Iobed, the lower ones often cordate; veins ele- vated on the lower surfaces; petioles i'-i' long; flowers in terminal and axillary narrow racemes, pink, about I'-ii' broad; bractlets of the involu- cels 6-9, linear, shorter than the 5 ovate-lanceolate acute calyx-segments; carpels 15-20, tomentose. In salt marshes, coast of Massachusetts, Connecti-. cut and New York; Pennsylvania, Michigan. Re- ported from New Jersey and Arkansas. Naturalized from Europe. Roots thick, very mucilaginous, used in confectionery, and in medicine as a demulcent. Summer. Mortification-root. Sweat-weed. Althaea cannabina L., with digitately 5-parted leaves, has been found in waste places at Washing- ton, D. C. Althaea rosea L., the Hollyhock, is occasionally seen in waste places, spontaneous after cultivation. 2. MALVA [Tourn.] L. Sp. PL 687. 1753. Pubescent or glabrate herbs, with dentate lobed or dissected leaves, and axillary or terminal solitary or clustered perfect flowers. Calyx S-cleft. Bractlets of the invokicels 3 (rarely none). Petals 5. Stamen-column anther-bearing at the summit. Cavities of the ovary several or numerous, i-ovuled; style-branches of the same number, linear, stigmatic along the inner side. Carpels arranged in a circle, i-seeded, beakless, indehiscent. Seed ascending. [Greek, referring to the emollient leaves.] About 30 species, natives of the Old World. In addition to the following, another is natural- ized in California. Type species ; Malva sylvestris L. Leaves
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbotany, bookyear1913
