. 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. 20 APOCYNACEAE. Vol. III. Flowers small, cymose. Erect or diffuse herbs; corolla campanulate. High-climbing vines ; corolla funnelform. 3. Apocynmn. 4. Trachelospermum. i. AMSONIA Walt. Fl. Car. 98. 1788. Perennial herbs, with alternate membranous leaves, and rather large blue or bluish flowers, in terminal thyrsoid or corymbose cymes. Calyx S-parted, the segme
. 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. 20 APOCYNACEAE. Vol. III. Flowers small, cymose. Erect or diffuse herbs; corolla campanulate. High-climbing vines ; corolla funnelform. 3. Apocynmn. 4. Trachelospermum. i. AMSONIA Walt. Fl. Car. 98. 1788. Perennial herbs, with alternate membranous leaves, and rather large blue or bluish flowers, in terminal thyrsoid or corymbose cymes. Calyx S-parted, the segments narrow, acuminate. Corolla mostly salverform, the tube cylindric, but somewhat dilated at the summit, villous within. Stamens inserted on the throat of the corolla, included; anthers ovate or oblong. Disk none. Ovary of 2 carpels, connected at the top by the filiform style; ovules in 2 rows in each cavity, numerous; stigma appendaged by a reflexed membrane. Fruit of 2 cylindric several-seeded follicles. Seeds cylindric or oblong, obliquely truncate at each end, not appendaged. [Named for Charles Amson of South Carolina.] About 8 species, natives of North America and eastern Asia. Besides the following, 5 others occur in the southern and southwestern United States. Type species: Amsonia Tabernaemontana Walt. i. Amsonia Amsonia (L.) Britton. Am- sonia. Fig. 3374. Tabernaemontana Amsonia L. Sp. PI. Ed. 2, 308. 1762. Amsonia Tabernaemontana Walt. Fl. Car. 98. 1788. A. salicifolia Pursh, Fl. Am. Sept. 184. 1814. A. Amsonia Britton, Mem. Torr. Club 5: 262. 1894. Glabrous or nearly so, simple, or branched above, 2°-4° high. Leaves ovate, ovate-lanceolate or lanceolate, entire, acuminate at the apex, nar- rowed at the base, sometimes pubescent beneath, 2'-4' long, i'-2'wide; petioles ;-^" long; flowers numerous; pedicels bracteolate at the base; calyx about 1" long, its segments subulate; corolla 6"-c/' long, beaked by the convolute limb in the bud, its lobe
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbotany, bookyear1913
