436 Oedeb 70.— composite. 



41 S. Ohiensis Eiddell. Glabrous throughout; lower Iva. lanceolate, obtuse, 

 entire or serrulate above, tapering to long petioles, upper oblxmg-kmceojaie, ab- 

 ruptly acute, sessile, entire; hds. numerous, 15— 20-fiowered, rather large, in a 

 dense, fastigiate corymb.- Meadows and prairies, western N. Y. to Ind. A per- 

 fectly smootli Solidago, 2— 3f high. Stem simple, reddish, leafy. Leaves of a 

 firm texture, the radical 6—8' by 1—1 J', on petioles of equal length, middle caul- 

 ine, about 2' by 5" Heads about 6-rayed. Sept., Oct. • 



42 S. Sidd§llii Frank. Stout and nearly glabrous, corymbously branched ; radi- 

 cal Ivs. very long, lance-linear, long-pointed entire, on long, margined, cariuate 

 petioles, cauUne Ivs. clasping at base, arcuate, carinate,^ narrow, acute, entire; 

 branches leafy ; hds. 20— 24-flowered, densely clustered in a compound, fasfigiate 

 corymb. — "Wet prairies Ohio, "Wis. to Mo. A well marked species, 15 — 30' high. 

 Eadical leaves 12 — 18' long, almost grass-like, cauline 3 — 6' by J', with a strong 

 midvein, and generally much recurved. Rays small, 6 — 9. Sept. (S. Mexicana 

 /3. Hook.) 



43 S. oorymbdsa EU. Stout, glabrous; with the corymhous branches hirsvte; 

 Ivs. sessile, oblong-lanceolate, thick, rigid, smooth, the lower and radical subdeu- 

 tate, upper entire, rough-oiliate ; hds. large, in loose racemes, the outer secund, ' 

 forming a fastigiate ooiymb ; scales pubescent, oblong, obtuse ; rays about 10, 

 disk-fls. about 20; aoh. glabrous. — Middle G-a. Plant 4 to 6f high, differingfrom 

 S. rigida in its smooth stem and leaves, smaller hds., &o. Sept., Oct. 



44 S. Houghtonii Totr. & Gr. Like S. Ohiensis, but smaller, with a few very 

 large Ms., — found in Northern Mich, in the State Survey. Aug. 



45 S. rigida L. Stout, rough-hairy ; Ivs. rigid, ovate-oblong, rough with minute 

 hairs, the upper vfiry entire, the lower serrate ; branches corymbous-panioulatei 

 with close, short racemes, the lower somewhat secund ; hds. very large ; scales 

 oUiise; rays largo, '7 to 10, disk-fls. 25 or more; ach. glabrous. — A rough' plant 

 in dry fields and rocky woods, Ct. to Mo. and Tex. Abundant in western prai- 

 ries. St. 3 to 5f high, round, striate, with rigid Ivs., of which the radical ones are 

 sometiaies near a foot long. Hds. 4 to 5" long and wide. Rays about 3" by 1", 

 deep-yellow. Aug., Sept. 



46 S. spitham^a Curt. Villous; Ivs. lance-oval or oblong; thin, smoolMsh, 

 sharply serrate, margin ciliate ; hds. middle size, corymbous ; scales lanceolate, 

 acute; rays 6 to 8, disk-fls, 15 to 20; aoh. pubescent. — ^High Mts. of N. Car. 

 (Curtis). A low plant, growing in tufts, with hairy stems, branches and corymbs, 

 and inconspicuous rays. Aug., Sept. 



47 S. lanceol^ta Ait. St. angular, hairy, much branched ; fa. linear-kmceolaU, 

 entire, 3-veined, rough-margined, slightly hispid on the veins beneath ; corymbs 

 terminal, fastigiate ; rays minute, about 17, disk-fls. 10. — In woods and meadows. 

 Can. and U. S. St. 2 to 4f high, with numerous, very long and narrow IvS. which 

 are distinctly 3-veined and acutely pointed, smaller ones often fascicled in the' 

 axds. Fls. in terminal, crowded, corymbed clusters. Invol. ovate. The whole 

 plant is fragrant. Sept. 



48 S. tenuifolia Ph. St. angular, smooth, with many fastigiate branches ; Ivs. 

 narrowly linear, spreading, mostly l-veined, scabrous on the margin, the axils 

 Jeafy ; corymb terminal, consisting of clustered hds. : rays about 10, scarcely as 

 long as the disk. — Meadows near the sea-coast, Mass. to La. Also Wis. (Lap- 

 liam.) A very slender species, distinguished from S. lanoeolata by the extreme 

 narrowness of the leaves and the thinner, more open corymb, which is often re- 

 duced to a few hds. Aug. — Oct. 



27. BIGELO'VIA, DC. (In honor of Dr. Jacob Bigelow, the well- 

 known author of " Floruja Bostoniensis," &c.) Heads discoid, 3 to 4- 

 flowered, the flowers all tubular, ^ ; involucre cylindrical, as long as 

 the flowers ; scales rigid, linear, closely imbricated ; receptacle pointed 

 by a scale-like cusp ; achenia obconic, hirsute ; pappus bristles in one 

 series. — 2f Glabrous, slender. Lvs. alternate, entire. Hds. fastigiately 

 corymbous, with yellow fls. and colored scales. 



