COMPOSITE. 161 



beneath : outer bracts of the involucre ovate or obbr:g, and the inner linear: rays 15 to 20: 

 disk-flowers 8 to 12. — Mant. 114 ; Ait. Kew. iii. 214; Terr. & Gray, Fl. ii. 226. ,S'. i/rainiiii- 

 folia, Ell. Sk. ii. .391. Cfiri/socomu graminifolia, L. Spec. ii. 841. Eidhamla rjraminifo/ln, Nutt. 

 Gen. ii. 162 (subgen.), & Traus. Am. Phil. Soc. 1. c. — Low ground, (Janada to Georgia, and 

 northwest to Montana. 



S. tenuifolia, Pdrsh. Lower (a foot or two high), slender, more n-fiinous-atomiferous 

 and glutinous, but glabrous : leaves all narrowly linear, one-nerved or with a pair of indis- 

 tinct lateral nerves: heads smaller: rays 6 to 12 : disk-flower< 5 or 6. — Fl. ii. 540; Ell. Sk. 

 . ii. 392 ; Torr. & Gray, 1. ( . S. lancmhila. var. minor, Michx. Fl. ii. 116. Erii/t-ron Ciirolhii- 

 aniim, L. Spec, being Vin/aurea Carol., &c., Dill. Elth. 412, t. 306, f. 394. Euthnmiri teniii- 

 foliii, Nutt. 1. e. — Sandy or gravelly and moist or dry ground, c(jast of New England to 

 Florida and Texas. 



~S. leptocephala, Torr. & Gray. A foot or two high, with more simple branches, wholly 

 smooth and glabrous except the margin of the leaves ; these with prominent midrib, very 

 oljscure lateral nerves, and no apparent leius : bracts of the involucre and the head narrower : 

 r.'iys 8 or 10: disk-flowers 3 or 4. — Fl. ii. 226. — Low ground, W. Louisiana and Texas; 

 first coll. by Leavenworth and Drummond. Also, in a narrow-leaved form, X. W. ^Vrkansas, 

 F. L. Harvey. 



§ 3. Chrysoma, Torr. & Gray. SufEruticose : leaves fle.shy-coriaceous, peculi- 

 arly areolate-venulose in the dried state : otherwise as § I 'irgaurea. — Glirysoma, 

 Jsutt., in part. 



S. pauoiflosculosa, Michx. A foot or two high, much branched from the shrubby base, 

 glabrous, somewhat viscid : leaves from spatulate-oblauceolate to linear, very obtuse, entire, 

 an inch or two long and with a contracted petiole-like base, one-uer\ed or obscurely 3-nerved, 

 « not venose, but minutely and uniformly venulose, the impressed veinlets forming microscopic 

 quadrate or roundish meshes over both surfaces : thyrsus somewhat corymbosely paniculate; 

 the clusters only obscurely secund : heads 3 or 4 lines long " rays 1 to 3, ratlier large ; disl:- 

 flowers 3 to 5, deep yellow: akenes pubescent: pappus browni.sh. — Fl. ii. 116; Torr. & 

 Grav, Fl. ii. 224. Chrysoma finlidaijinoiiJes, Xutt. in Jour. ^Vcail. Philad. vii. G7, & Trans. Am. 

 Phil. Soc. vii. 325. — Dry hills and sand-banks on the sea-shore, S. Carolina to Florida and 

 Alabama; flowering late. (Bahamas.) 



33. BRACHYCH^TA, Torr. & Gray. (Bpaxw, short, xa'Tiy, bristle, 

 from the very abbreviated setose pappus, which, with the cordate leaves, some- 

 what artificially distinguishes the genus from Soli da go.) — Single species, flower- 

 ing in late summer and autumn. — Fl. ii. UiJi. 



-B. cordata, Torr. & Gray, 1. c. Soft-pubescent: stems 2 or 3 feet high from a, perennial 

 root : leaves membranaceous, veiny, mostly acutely serrate ; radical rather large, round- 

 cordate, on long and nearly wingless petioles ; caidine ovate, the lower on winged petioles : 

 heads 2 or 3 lines long, narrow, solitary or fascicled in the racemiiorm and secund clusters 

 or narrow thyrsus : bracts of the involucre with greenish tips, inner ones linear-oblong : 

 flowers golden yellow, those of the disk and short ray each 4 or 5 : pappus shorter than the 

 akene and shorter than the proper tube of the corolla. — Solidaijo sphacelata, R:if. ^\un. Xat. 

 (1820), 14. S. cordata, Short, Cat. PL Kentucky, Suppl. Brachyris ovatifolia, DC. Prodr. v. 

 313. — Open woods, &c., W. Xorth Carolina and E. Kentucky to the upper part of Georgia; 

 apparently first coll. by Rajinesque. 



34. LiESSlNGIA, Cham. (Dedicated to the eminent German author, 

 G. E. Lessing, and to his grand-nephews, Kar] Lessing the painter, and Christian 

 Fr. Lessing, author of Syn. Gen. Compositarum. ) — Californian annuals or bien- 

 nials, flocculent-wooUy when young ; with alternate leaves and rather small heads 

 of flowers, either of the xanthic or cyanic series ; the pappus becoming fuscous 

 or rufous. Xerves of the corolla-lobes deeply intramarginal, the asstivation indu- 



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