. 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 102nd meridian. Botany. 2. ANDROSACE [Tourn.] L. Sp. PI. 141. 1753. Low annual or perennial herbs, our species scapose, with tufted small basal leaves, and terminal umbellate or solitary involucrate small white or pink flowers. Calyx persistent, S-lobed, -cleft or -parted, the lobes erect in flower, sometimes spreading in fruit. Corolla salverform or funnelform, the tube short, not longer th
. 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 102nd meridian. Botany. 2. ANDROSACE [Tourn.] L. Sp. PI. 141. 1753. Low annual or perennial herbs, our species scapose, with tufted small basal leaves, and terminal umbellate or solitary involucrate small white or pink flowers. Calyx persistent, S-lobed, -cleft or -parted, the lobes erect in flower, sometimes spreading in fruit. Corolla salverform or funnelform, the tube short, not longer than the calyx, the limb S-lobed, the lobes imbricated. Stamens S, included, inserted on the tube of the corolla; filaments very short; anthers short, oblong, oljtuse. Ovary superior, turbinate or globose; ovules few, or numerous, amphitropous; style short; stigma capitellate. Capsule turbinate, ovoid or globose, S-valved from the apex, few-many-seeded. [Greek, man's shield, from the shape of the leaf in some species.] About 60 species, natives of the northern hemisphere. Besides the following, about 15 others occur in western and northwestern North America. Type species: Androsace maxima L. I. Androsace occidentalis Piirsh. Androsace. Fig. 3284. Androsace occidentalis Pursh, Fl. Am. Sept. 137. 1814. Annual, minutely pubescent, or glabrate; scapes fili- form, solitary or numerous from fibrous roots, erect or ascending, or diffuse, 1-3' long. Leaves oblong or spatnlate, obtuse, entire, sessile, 3"-8" long; bracts of the involucre similar to the leaves but much smaller, l"-3" long; pedicels several or numerous, filiform, 2"-6" long in flower, often becoming l' long in fruit; calyx- tube obpyramidal in fruit, the lobes ovate or triangular- lanceolate, acute, as long as or longer than the tube, green, becoming foliaceous; corolla very small, white, shorter than the calyx; calyx longer than the several- seeded capsule. In dry soil. Minnesota and Illinois
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbotany, bookyear1913
