38. S. Ohioénsis, Riddell. Very smooth throughout; stem wand-like, slender, leafy (2–3° high); stem-leaves oblong-lanceolate, flat, entire, obscurely feather-veined, closely sessile; the lower and radical ones elongated, slightly serrate toward the apex, tapering into long margined petioles; head numerous, on smooth pedicels, small, 16–20-flowered; the rays 6 or 7.—Moist meadows or prairies, W. New York to Ind. and Wisc.—Root-leaves 1° long; the upper reduced to 1–2´, with rough margins, like the rest.

[++][++] Leaves somewhat folded, entire, the lower slightly 3-nerved.

39. S. Riddéllii, Frank. Smooth and stout (2–4° high), very leafy, the branches of the dense corymb and pedicels rough-pubescent; leaves linear-lanceolate, elongated (4–6´ long), acute, partly clasping or sheathing, mostly recurved, the lowest elongated-lanceolate and tapering into a long keeled petiole; heads very numerous, clustered, 20–30-flowered; the rays 7–9.—Wet grassy prairies, Ohio to Minn. and Mo.; Ft. Monroe, Va.—Heads larger than in the last, 2–3´´ long. Stem-leaves upright and partly sheathing at the base, then gradually recurved-spreading.

40. S. Houghtònii, Torr. & Gray. Smooth; stem rather low and slender (1–2° high); leaves scattered, linear-lanceolate, acutish, tapering into a narrowed slightly clasping base, or the lower into margined petioles; heads few or several, 20–30-flowered; the rays 7–9.—Swamps, north shore of Lake Michigan; Genesee Co., N. Y. July, Aug.—Leaves rough-margined, 2–5´ long, 2–4´´ wide, 1-nerved, or the lower obscurely 3-nerved above; veins obscure. Heads large, nearly ½´ long. Scales of the involucre obtuse.

§ 2. EUTHÀMIA. Corymbosely much branched; heads small, sessile, in little clusters crowded in flat-topped corymbs; the closely appressed involucral scales somewhat glutinous; receptacle fimbrillate; rays 6–20, short, more numerous than the disk-flowers; leaves narrow, entire, sessile.

41. S. lanceolàta, L. Leaves lanceolate-linear, 3–5-nerved; the nerves, margins, and angles of the branches minutely rough-pubescent; heads obovoid-cylindrical, in dense corymbed clusters; rays 15–20.—River-banks, etc., in moist soil; common.—Stem 2–3° high; leaves 3–5´ long.

42. S. tenuifòlia, Pursh. Smooth, slender; leaves very narrowly linear, mostly 1-nerved, dotted; heads obovoid-club-shaped, in numerous clusters of 2 or 3, disposed in a loose corymb; rays 6–12.—Sandy fields, Mass. to Ill., and southward; common near the coast.

18. BRACHYCHÆ̀TA, Torr. & Gray. False Golden-rod.

Heads and flowers nearly as in Solidago, except the pappus, which is a row of minute rather scale-like bristles, shorter than the achene.—A perennial herb, with rounded or ovate serrate leaves, all the lower ones heart-shaped; the small yellow heads in sessile clusters racemed or spiked on the branches. (Name composed of βραχύς, short, and χίτη, bristle, from the pappus.)

1. B. cordàta, Torr. & Gray. Wooded hills, S. Ind. and E. Ky. to N. Ga. Oct.—Plant 2–4° high, slender, more or less pubescent.