158 
RUDBE CKIA— E U M K X. 
ish ; leaves digitate, in tens, fives, and 
threes ; leafets lanceolate, acutely serrate, j 
naked on both sides; stem u n aimed ; | 
bracts lanceolate ; pedicels elongated, 1-3- 
flowered ; calyx 5-7-cleft. 
ohnva'b's, IM.. 21.) stem becoming a little 
woody, hispid with etilf hairs ; leaves ter- 
nate ; leafets round-obovate, serrate, naked ; j 
stipules setaceous; racemes sub-corynibed, 
few-flowered ; bracts ovate ; pedicels elon- 
gated. 2-4 f. 
cuneifo'lius, (w. J. "Ip.) branches, petioles, 
and peduncles, pubescent; prickles few, 
recurved ; leaves ternate and quinate, pal- 
mate ; leafets cuneate-obovate, entire at the 
base, sub-plicate, tomentose beneath ; ra- 
cemes loose ; pedicels solitary, l-flowered. 
2-3 f. 
stelJa'tHs, (p. If.) herbaceous, small ; stem 
unarmed, erect, l-flowered ; leaves simple, 
cordate, 3-lobed, rugose-veined ; petals 
lanceolate. 
cliamceino'rus, (cloud-berry, w. J. 2X) 
herbaceous, small ; steiji 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. 
RUDBE(:K"IA.. 17—3. (Corymhosa.) [In honor 
of two botanists of the name of Rudbeck, 
who lived in the 17th century.] 
purp^c'rea. (p. Ju. 2/.) 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. 
ful"gida, (y. Oct. IX-) stem hispid, branch- 
es long, virgate, and l-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. 
lacmia'ta, (cone-flower, cone-disk sun- 
flower, y. Au. 2^.) lower leaves pin- 
nate ; leafets 3-Iobed ; upper ones ovate ; 
egret ci-enate ; stem glabrous. Damp. 6- 
10 f 
dis" color, (y. and p. Au. 2X-) branches 
corynibed, l-flowered ; peduncles naked, 
eloiigated ; 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. 2^.) stem panicu- 
late, branches divaricate, leafy ; leaves 
lanceolate, acuminate at each end, serrate; 
lower Olios 3-lobed ; scales of the involu- 
crum lii.ear. deflexed. 4-5 f. 
hir"ta, (y. and p. Ju. 2^.) very hirsute ; 
stem virgate, sparingly branched, 1-flow- 
cred ; leaves alternate, sessile, lower ones| 
spatulate-lanceolate, hirsute; scales of the 
involucrum imbricate in a triple series,! 
shorter than the ray; chaff obovate, acute 
2-3 f 
digita'ta, (y. Au. H) stem branching 
glabrous ; lower leaves pinnate ; leafeta 
pinnatifid; upper ones simply pinnate ; 
highest 3-cIeft ; egret crenate. 4-8 f. 
laviso'ta, (y. li) 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. 
moV'lis, (p. 8. li.) stem hispid, villose, 
branching; leaves sessile, lance-ovate, den- 
tate, soft-tomentose ; florets of the ray nu- 
merous, three times as long as the involu- 
crum. 2-3 f. S. 
rad"ula, ( $ .) stem hispid below, glabrous 
above, nearly naked ; peduncles very long, 
l-flowered ; leaves ovate, attenuate, tuber- 
culate-hispid ; involucrum imbricate ; scales 
ovate, acuminate, ciliate. iS^. 
a/pef'ala, [li) scabrous; stem elongated, 
l-flowered, very pilose at the base ; rays 
mostly wanting ; leaves radical, snb-fsessile, 
very broadly ovate, sub-rotund. Ala. Geo. 
spntula'ta, (Au. $ .) slender, minutely 
pubescent; stem l-flowered; leaves obo- 
vate spatulate, entire; involucrum expand- 
ing, imbricate ; florets of tlie ray 3-toothed. 
Mountains of Carolina. 
hi'color, (y. b-r. pilose, sub-scabrous ; 
stem somewhat l-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.) 
sh-e'pens, (b. Ju. 2^.) erect, hairy; 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. li.) 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 
httle longer than the tube of the corolla ; 
style very long. 12-18 i. 8. 
RU'MEX. 6—3. (Poli/^onefB.) [From rumex, 
a spear, which the leaves of some of the 
species resemble.] 
cris"pus, (dock, Ju. li.) valves of the ca- 
lyx ovate, entire, all bearing grain-like ap- 
pendages on their backs ; leaves lanceo- 
late, undulate, acute. 2-3 f. 
ascetosel"lus, (field-sorrel, g. p. M. li) 
valves without grains ; leaves lance-has- 
tate ; flowers dioecious. 6-12 i. 
aceto'sns, (garden sorrel, 2^.) stem elon- 
gated; leaves oblong, clasping, sagittate, 
acute. Ex. 
patien"ti(i, (garden-dock, patience, li) 
valves entire, one of them bearing a grain- 
like appendage ; leaves lance-ovate. Nat* 
uralized. 
