lo8 



RUDBECKIA— RUMEX. 



iBh ; leaves digitate, in tens, fives, and ■ 

 threes ; leafets lanceolate, acutely serrate, i 

 naked on both sides; stem unarmed;! 

 bracts lanceolate; pedicels elongated,- 1-3- . 

 flowered ; calj'X 5-7-cleft. ! 



ohova'lh, fM. 21.) stem becoming a hltle [ 

 woodv, hispid with stiff hairs ; leaves ter- 

 nate ; leafets round-obovate, serrate, naked ; 

 stipules setaceous; racemes sub-corymbed, 

 few-flowered ; bracts ovate ; pedicels elon- 

 gated. 2-4 f. 



cuneifo'Uus, (w. J. '^.) branches, petioles, 

 and peduncles, pubescent; prickles few, 

 recurved ; leaves ternate and quinate, pal- 

 mate ; leafets cuneat^-obovate, entire at the 

 base, sub-plicate, tomentose beneath ; ra- 

 cemes loose ; pedicels solitary, 1-flowered. 

 2-3 f 



stcUa'tus, (p. 21) herbaceous, small ; stem 

 unarmed, erect, 1-flowered ; leaves simple, 

 cordate, 3-lobed, rugose-veined; petals 

 lanceolate. 



cliama;7no'ims, (cloud-berry, w. J. 24 •) 

 herbaceous, small ; stem unarmed, l-flow- 

 ered, erect; leaves simple, sub-reniform, 

 with rounded lobes ; petals oblong. Cana- 

 da. 



peda'tus, {li) small, herbaceous, creep- 

 ing; leaves pedate-quinate, gashed; ped- 

 uncles filiform, bracted in the middle ; ca- 

 lyx nearly glabrous, reflexed. 



RUDBECK"IA. 17—3. (Corymhosa.) [In honor 



of two botanists of the name of Rudbeck, 



who lived in the 17th century.] 



piirpu'rea. (p. Ju. 14..) very rough ; lower 

 leaves broad-ovate, alternate at the base, 

 remotely toothed, cauline ones lance-ovate, 

 acuminate at each end, nearly entire ; ray- 

 florets very long, deflected, bifid. High 

 grounds. Stem 3-4 f. Ray purple ; disk 

 brown; involucrum imbricate. 



fuV'gida, (y. Oct. H.) stem hispid, branch- 

 es long, virgate, and 1-flowered ; leaves 

 lance-oblong, denticulate, hispid ; scale of 

 the involucrum as long as the ray ; ray -flo- 

 rets 12-14, 2-cleft at the summit ; stem 2-3 

 feet high, branched. 



pinna'ta, stem furrowed, hispid ; leaves 

 all pinnate ; flowers very large, yellow ; 

 rays long, reflexed ; disk ovate, purple. 



lacinia'ta, (cone-flower, cone-disk sun 

 flower, y. Au. 2X-) lower leaves pin 

 nate ; leafets 3-lobed ; upper ones ovate 

 egret crenate ; stem glabrous. Damp. 6 

 10 f. 



dis" color, (y. and p. Au. 11) branches 

 corymbed, 1-flowered ; peduncles naked 

 elongated ; leaves lanceolate, hairy, stri 

 gose ; scales of the involucrum ovate, acute ; 

 petals lanceolate, entire, two-colored, as 

 long as the involucrum. 2 f. 



trilo'ba, (y. and p. Au. 24) stem panicu 

 late, branches divaricate, leafy ; leaves 

 lanceolate, acuminate at each end, serrate 

 lower cues 3-lobed ; scales of the involu 

 crum lii.ear, deflexed. 4-5 f. 



hir'ta, (y. and p. Ju. 24-) veiy hirsute 

 stem virgate, sparingly branched, 1-flow 

 ered ; leaves alternate, sessile, lower ones 

 spatulate-lanceolate, hirsute; scales of the 

 involucrum imbricate in a triple aeries. 



shorter than the ray; chafi ooovate, acut6 

 2-3 f. 



dlgita'ta, (y. Au. 24-) stem branching 

 glabrous; lower leaves pinnate; leafets 

 pinnatifid ; upper ones simply pinnate ; 

 highest 3 -cleft ; egret crenate. 4-8 f. 



hcviga'ta, (y. 24-) very glabrous; leaves 

 lance-ovate, acuminate at each end, tripli- 

 nerved, sparingly toothed ; scales of the in- 

 volucrum lanceolate, as long as the ray. S. 



moVlis, (p. S. 24) stem hispid, villose, 

 branching; leaves sessile, lance-ovate, den- 

 tate, eoft-tomentose ; florets of the ray nu- 

 merous, three times as long as the involu- 

 crum. 2-3 f. S. 



rad"iila, ( $ .) stem hispid below, glabrous 

 above, nearly naked ; peduncles very long, 

 1-flowered ; leaves ovate, attenuate, tuber- 

 culate-hispid ; involucrum imbricate ; scales 

 ovate, acuminate, ciHate. S. 



ctpefala, (24-) scabrous; stem elongated, 

 1-flowered, very pilose at the base ; rays 

 mostly wanting ; leaves radical, sub-sessile 

 very broadly ovate, sub-rotund. Ala. Geo 



spntula'ta, (Au. $ .) slender, minutely 

 pubescent ; stem 1-flowered ; leaves obo 

 vate-spatulate, entire ; involucrum expand 

 ing, imbricate ; florets of the ray 3-toothed 

 Mountains of Carolina. 



bi'color, (y. b-r. @.) pilose, sub-scabrous 

 stem somewhat 1-flowered; leaves oblong, 

 sessile, rarely sub-serrate, obtusish ; lower 

 ones sub-ovate, petioled ; segments of the 

 involucrum oblong ; scales lanceolate, hir- 

 sute ; rays short, bi-colored. 18 i. Ark. 



RUEL"LIA. 13-2. (Pediculares.) 



stre'pens, (b. Ju. 24-) erect, haiiy; leaves 

 on petioles, opposite, lance-ovate, entire ; 

 peduncles 3-4-flowered ; segments of the 

 calyx linear-lanceolate, acute, hispid, short- 

 er than the tube of the corolla ; flowers ax- 

 illary ; stem 8-12 i. Shady woods. Penn. 

 to Geo. 



cilio'sa, (w. p. J. 24 •) erect, branching ; 

 leaves nearly sessile, ovate-oblong ; mar- 

 gins, nerves, and veins, fringed with long 

 white hair ; bracts lanceolate, short ; seg 

 ments of the calyx linear, hispid, ciliate 

 with whitish hairs ; corolla sub-equal. S. 



hirsu'ta, (b. Oct.) hirsute, branching, 

 leaves oval-lanceolate, nearly acute, sessile, 

 segments of the calyx subulate, hispid, a 

 little longer than the tube of tho corolla ; 

 style very long. 12-18 i. S. 

 RU'MEX. 6—3. (Polyffonea.) iFiom rumex, 



a spear, which the leaves of some of the 



species resemble.] 



cris"pus, (dock, Ju. 24-) valves of the ca- 

 lyx ovate, entire, all bearing grain-like ap- 

 pendages on their backs ; leaves lanceo- 

 late, undulate, acute. 2-3 f. 



ascetoseVlus, (field-sorrel, g. p. M. 11) 

 valves without grains ; leaves lance-has- 

 tate ; flowers dicEcious. 6-12 i. 



accto'sns, (garden sorrel, 24-) stem elon- 

 gated ; leaves oblong, clasping, sagittate, 

 acute. Ex. 



patieii"tia, (garden-dock, patience, 24-) 

 valves entire, one of them bearing a grain- 

 like appendage ; leaves lance-ovate. Nat- 

 uralized. 



