. Carnegie Institution of Washington publication. 138 THE WATERLILIES. Submerged leaves from small tuber 2 or 3; first one ovate, acute, or oftener triangular-hastate with acute apex and angles; second leaf much larger, angles slightly rounded, lobes long and narrow, widely diverging, thin and crisped or even twisted. First floating leaf ovate, abruptly acuminate, broadest opposite the insertion of the petiole, slightly crenulate; sinus deep, margins straight or slightly curved, slightly divergent or touching or overlapping, angles narrowly rounded; upper surface green with a few brown blotche
. Carnegie Institution of Washington publication. 138 THE WATERLILIES. Submerged leaves from small tuber 2 or 3; first one ovate, acute, or oftener triangular-hastate with acute apex and angles; second leaf much larger, angles slightly rounded, lobes long and narrow, widely diverging, thin and crisped or even twisted. First floating leaf ovate, abruptly acuminate, broadest opposite the insertion of the petiole, slightly crenulate; sinus deep, margins straight or slightly curved, slightly divergent or touching or overlapping, angles narrowly rounded; upper surface green with a few brown blotches, especially near the margin; under surface green, blotched with brown. Leaf of mature plant narrowly peltate ( to cm.), orbicular-ovate, 30 to 45 cm. in diameter, deeply and irregularly sinuate-dentate, with obtuse or rounded teeth. FIG. 54.—yympjiaca flaro-^irens: a, sepal; b, petal of outermost whorl; c, petal of second whorl; rf, petal of third whorl; e, outer stamen; /, inner stamens ; y, vertical section of ovary. Natural size. cm. long and 2 cm. apart, rarely nearly entire; pea-green above, paler below; veins prominent beneath, primary nerves 7 to 9 on each side; length of principal area: radius of leaf = i : to —Sinus, depth: length of leaf == I : to ; margins more or less convex, divergent or overlapping; angles rounded.—Petiole terete, cm. in diameter, 60 to 150 cm. long. Rhizome (tuber) erect, stout, cm. long by cm. thick to 21 cm. long by 10 cm. thick ( ! ), brownish-black, very rough with projecting leaf cushions, each capped by the dried base of the petiole and marked on the under side with root scars; upper. 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 Carnegie Institution of Washington. Washington, Carnegie Institution of Washington
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