436 Ohdbk 70.— OOMPOSITiB. 



41 S. Ohi^nsig RiddolL Glabrous througliout ; lower Ivs. lanceolate, obtuse, 



entire or ssrrulate above, tapering to long petioles, upper oilong-lanceolcUe, ab- 

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

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

 fectly smooth 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. RiddSIlii Prank. Stout and nearly glabrous, corymbously branched ; radi- 

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

 petioles, cauline Ivs. clasping afbase, arcuate, carinate, narrow, acute, entire; 

 branches leafy ; hda. 20 — 24-flowered, densely clustered in a compound, fastigiate 

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

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

 midvein, and generally much recurved. Rays small, C — 9. SepL (S. Mexieana 

 0. Hook.) 



43 S. corymbosa Ell. Stout, glabrous ; with Hie corymbous branches hirsute ; 

 Its. sessile, oblong-lanceolate, thick, rigid, smooth, the lower and radical subden- 

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

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

 disk-fls. about 20 ; aoh. glabrous. — Middle Ga. Plant 4 to 6f high, differing from 

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



44 S. Houghtonii Torr. & G-r. Like S. Ohieusis, but smaller, with a few very 

 large hds.,—&>\xii& 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 very entire, the lower serrate ; branches corymbous-pauiculate, 

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

 obtuse; rays large, 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 

 sometimes near a foot long. Hds. 4 to 6" long and wide. Rays about 3" by 1", 

 dsep-yellovv. Aug., Sept. 



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

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

 acuie ; rays 6 to 8, disk-fls, 15 to 20 ; ach. 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. lanceolata Ait. St. angular, hairy, much branched ; Ivs. linear-lanceolate, 

 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 TJ. 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 

 axils. Pla. in terminal, crov?ded, 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 1-vcined, scabrous on the margin, the axil.'; 

 leafy; corymb terminal, consisting of clustered hds. ; rays about 10, scarcely or. 

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

 ham.) A very slender species, distinguished from S. lanceolata by the extrem ) 

 narrowness of the leaves and the thinner, more open corymb, which is often rt • 

 duced to a few hds. Aug. — Oct. 



27. BIGELO'VIA, DC. (In honor of Br. Jacob Bigeloio, the well- 

 known author of " Florula 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. 



