SuUdago.. COMPOSIT.E. X51 



or linear-lanceolate, acute, spreading (U to 4 inches long, half-inch or much less in width) • 



rays rather smaU. (A form, vr.r. inoAjra, Gray, Man., growing witli tlie ordinary plant is 



scentless ) - Ait. Kew. iii. 2U (Plulc. -Vim. t. 1 16, f. 6, & i;36, f . 1 ) ; Pursh, Fl. ii. 539 ■ Eiffel 



-Med. Bot. i. 188, t. 20; Torr. & Gray, I'l. ii. 219. .?. reliorsa, ilichx. Fl. ii. 117 6' pwic- 



ticulata, DC. Prodr. v. 332. — Dry or sandy soil, Canada to Florida and Texas, chiefly near 



the coast, but as far interior as Kentucky. (Mex.) 



S. Chapmani, Gray. Rather stouter and more rigid: stem roughish-puberulent aboye • 



lea^es oblong or elliptical, obtuse or eyeu rounded at the apex, about an inch long; tho.se 



next the broad expanding thyrsus yery small, often roundish. —Proc. Am. Arad xvi 80 



xTii. 193. .S. odo.a, Chapm. Fl. 213, in part. — Pine barrens of Florida, Chapman, Ga'rbeT, 



. Curtiss, distributed as S. torlifulia. Between .^'. odora and S. pilosa. 



= = Lower leayes more or less serrulate and all scabrous or pubescent, not punctate, more 



evidently xniuy than the preceding, spreading: stem yery leafy: rays small, hardly surnassine 



the disk-flowers. j i o 



" S. tortif olia, Ell. stem slender, 2 or 3 feet high, scabrous-puberulent : leayes all linear 

 (an inch or two long, 1^ to 3 lines wide), acutish, commonly twisted, especially in age, hir- 

 tello-puberulent or glabrate, the lower with a few sharp denticulati.jus : heads sniaU,'few- 

 , flowered. — Sk. ii. 377 : Hook. Comp. Bot. JIag. i. 97 ; Torr. & Gra\ , Fl. ii. 220. .S. odura, 

 Michx. Fl. ii. US, not Ait, ,S. retrursa, Pursh, Fl. ii. 539; Xutt. Gen. ii. 159, not Michx. — 

 Dry sandy soil, coast of ^'i^ginia to Florida and Texas. 



> S. pilosa, Walt. Stem stouter, 3 to 7 feet high, hirsute ^yith short spreading hairs : leaves 

 lauceolate-ublong (2 or 3 inches long), or the upper eUiptical or oblong (8 to 18 lines long), 

 these mostly obtuse, the midrib beneath and margins scabrous- or hirsute-ciliate ; the lower 

 * with some acute small teeth: rays several or few and trifid, very small. — Car. 207 (not 

 Mill. Diet.) ; Torr. & Gray, Fl. ii. 219. S.fistulosa, iliU. Diet, .^i' altissimu, .Michx. 1. c, ex 

 herb. S. pi/ramiduta, Pursh, Fl. ii. 537; Xiitt. Gen. ii. 118. .b'. villosa, Ell. Sk. ii. 372; 

 DC. Prodr. x. 333. — iloist ground, Xew .Jersey (pine barrens) to Florida and Louisiana, in 

 the low country : flowering late. 



+T- +4- .!-). «- Leaves not small for the size of the plant, not prominently veiny, of firm texture, 

 entire or little serrate, glabrous and smooth, but sometimes with ciliolate-scabrous margins- 

 heads (middle-sized) crowded in thyrsoid inflorescence, not secund. i 

 = Pacific species: rays rather numerous (8 to 15) and small: akenes pubescent. 

 S. Tolmieana. Low, a foot or less high, leafy up to the short and rather broad inflores- 

 cence of spiciform somewhat corymbosely disposed clusters : leaves thickish and veins very 

 inconspicuous, linear or lanceolate (2 or 3 inches long), entire, rarely with some minute ser- 

 ' ratures, the margins usually scabrous-ciliolate : heads about 3 lines high : involucral bracts 

 lanceolate, acutish, thin. (Has been taken for a form of .S'. Missourieiisis. var. montana.) — 

 Idaho, 'Washington Territory and (Jregon ; first coU. by Tolmie, then by Sjia'idmg and later 

 collectors. 

 S. Guiradonis, Gisat. Slender, 2 feet high, bearing rather few heads in a simple virgate 

 thyrsus : leaves all quite entire, thickish, bright green, attenuately cuspidate-acuminate ; 

 ' radical and lower cauline linear-lanceolate (2 to 4 lines wide, about 4 inches lunnj ; upper 

 more attenuate: bracts of the involucre small, lanceolate or linear, acutish. — Proc. Am. 

 Acad. vi. 543, & Bot. Calif., in part. — California, along brooks, base of San Carlos Peak, 

 Fresno Co., Guirado, an assistant of Prof. Breicer. 

 S. spectabilis, Gray, a foot or two high : heads numerous and crowded in a narrow or 

 compound and broader thyrsus : leaves paler, sumetimes thinner; cauline lanceolate, or the 

 small uppermost becoming linear, acute : lower and radical spatulate-lanceolate or oblong, 

 , acutish or obtuse, often an inch wide and obscurely triple-ribbed ; radical rarely i\ith a few 

 serratures : involucral bracts lanceolate or broader, mostly obtuse. — Proc. Am. Acad, 

 xvii. 193. — .s. Giiirndom's, Yai. spectabilis, Eaton, Bot. King Exp. 154. S'. Guiradonis, in 

 part, Gray, Bot. Calif, i. 319 ; Eothrock in Wheeler Rep., &c. — From the western slopes of 

 the Sierra Xevada, California, to the interior mountains of Nevada, Bloomer, Watson, &c. 

 = = Atlantic species: akeaes glabrous or sometimes slightly and sparsely pubescent: rays con- 

 spicuous, 5 or 6. 



S. uliginosa, Nutt. Stem 2 or 3 feet hi<;h, strict : leaves lanceolate and oblong-lanceolate, 

 mostly acute or acuminate, acutely and sparsely serrulate or else entire ; radical and lower 



