. Foundations of botany. Botany; Botany. 182 FOUNDATIONS OF BOTANY greenish; hoods white, with 2 teeth; horns with an awl-shaped point extending far out of the hoods. Damp thickets N. and E. 4. A. variegata, L. White Milkweed. Stem stout, leafless and smooth below, leafy and downy in lines above. Leaves oppo- site, the middle ones sometimes in fours, petioled, ovate to obovate,. Fig. 20. — Flower of Asclepias Comuti. A, entire flower ; B, vertical section ; C, diagram ; X>, details of pollen-masses and glands, c^? calyx ; c, corolla; ltd, hood ; hn, horn ; a, anther ; s, stig- ma ; 0, ovary
. Foundations of botany. Botany; Botany. 182 FOUNDATIONS OF BOTANY greenish; hoods white, with 2 teeth; horns with an awl-shaped point extending far out of the hoods. Damp thickets N. and E. 4. A. variegata, L. White Milkweed. Stem stout, leafless and smooth below, leafy and downy in lines above. Leaves oppo- site, the middle ones sometimes in fours, petioled, ovate to obovate,. Fig. 20. — Flower of Asclepias Comuti. A, entire flower ; B, vertical section ; C, diagram ; X>, details of pollen-masses and glands, c^? calyx ; c, corolla; ltd, hood ; hn, horn ; a, anther ; s, stig- ma ; 0, ovary ; g, gland; p, pollen-mass. (All considerably enlarged.) cuspidate, smooth on both sides, pale beneath, edges slightly crenate. Umbels 1-5, compact, downy, 1-2 in. long ; pedicels erect, as long as the peduncles. Corolla white, often purple at the base; hoods roundish, spreading, a little longer than the thick, awl-pointed, incurved horn. Dry, open woods E. and S.* 6. A. quadrifolia, L. Four-lbavbd Milkweed. Stem slender, lJ-2 ft. or more high, usually leafless below. Leaves in 1 or 2. 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 Bergen, Joseph Y. (Joseph Young), 1851-1917; Eastwood, Alice, 1859-1953. Boston, Ginn & Co.
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectbotany, bookyear1901
