Page 516.—Under Zephyranthes Atamasco insert the synonym (Amaryllis Atamasco, L.).
Page 555.—Sagittaria teres has been collected also at Brewster, Mass. (Farlow).
Page 575.—After Eleocharis Torreyana insert—
13a. E. álbida, Torr. Like n. 12 and 13 in habit, somewhat stouter; spikelet dense, ellipsoidal or oblong, 1–4´´ long, acutish, with pale obtuse scales; achene very small, triangular-obovate, very smooth, with a broadly triangular tubercle upon a narrow base, shorter than or exceeding the reddish bristles.—Salt marshes, Northampton Co., Va. (Canby), and south to Fla. and Tex.
Page 653.—Trisetum subspicatum, var. molle, is reported from Roan Mt., N. C. (Scribner), and probably occurs on the higher Alleghanies northward.
Page 662.—After Melica diffusa insert—
3. M. Pórteri, Scribn. Tall and slender; panicle very narrow, the slender branches erect or the lower slightly divergent; pedicels flexuous or recurved, pubescent; glumes very unequal and shorter than the spikelet; fertile flowers 3–5, the glumes scabrous.—Mountains of Col. and southward; reported from Cass Co., Neb. (J. G. Smith).
Page 663.—Distichlis maritima. On alkaline soil in Neb., and very common in similar localities west and southwestward; chiefly the var. strícta, Thurb., with setaceously convolute leaves, the many- (10–20-) flowered spikelets in a loose panicle.