EPIPHEGUS— ERYNGFJM. 
i:PfPH"1i:GITS. 13— S. (Pediculares.) [From 
npi, upon, phegas, the beech.] 
virfrinia'nus, (beech-drops, cancer-root, 
y. p. Ju. 2-f.) stem very branching ; flowers 
alternate, distant ; calyx ehort, cup-form, 
ehort( r than the capsule. The whole plant 
is yellowi.sh-white. and of a naked appear- 
ance. 8-12 i. Astringent. 
EQCISE'TUM. 21—1. (Filices.) [From e^rMus, 
a hoise, seta, bristly.] 
hyema'le, (scouring rush, Ju. stems 
erect, very scabrous, bearing spikes at the 
apex ; sheaths 2-colored, withering at the 
base and apex ; teeth with caducous awns. 
2 3 f. 
arven"Re, (horse-tail, Ap. 11. ) sterile stems 
Bcmewhat decumbent, with simple, square, 
and scabrous branches ; fertile ones erect, 
simple ; sheaths incisely toothed, cylindri- 
cal ; teeth acute. 
scirpoi'dea, (.Tu. 11.) stem simple, ascend- 
ing, glabrous, filiform, bearing a spike at the 
top ; sheaths 3-toothed ; teeth withering, 
with caducous awns at the apex. 3 6 i. 
uliqino'sum, [11.) stem erect, round, fur- 
rowed, nearly smooth, somewhat branched ; 
Dranches from the middle joints unequal ; 
sheaths sen-ate above; teeth even, acute, 
black. 
ERIAN"THUS. 2—2. (Graminea ) 
alopecuroi'des, (p. S. 11.) hair IlliO invo- 
lucre much longer than the glumes ; awns 
straight. 6-10 f.' S. 
piirpn'reum, (O. p. Ju. 11.) pubescent; 
leaves oblong, toothed, clasping, upper ones 
entire : peduncles thickened, coiymoed, 
lower ones elongated; scales of the calyx 
hairy on the keel ; rays twice as long as the 
calyx. 2 f. 
strigo'aiini, (O. w. Ju. $ .) strigose-pilose; 
leaves lanceolate, tapering to. both ends; m 
the middle are a few coarse teeth, or they 
are entire ; flowers corymb-panicled. 2-3 f. 
heterophyl'lum, (W. w. J. $ .) radical 
leaves round-ovate, deeply toothed, peti- 
oled, cauline ones lanceolate, acute, seirate 
in the middle ; corymb terminal. 2-3 f. 
caiinden"se, (flea-bane, pride-weed, O. 
w. Ju. 0.) stem hispid, panicled ; leavea 
lance-linear, ciliate ; calyx cylindric ; raya 
crowded, short. Var. 
nudicau'le, (E. w. y. J. ZX.) glabrous, 
radical leaves lance-spatulate, acute, slightly 
toothed ; stem .simple, nearly leaHess. long; 
tenninal corymb few flowered ; rays as long 
as the involucre. 2 f 
a.s"perum, (W.w. Au.) hirsute-.scabrous ; 
stem slender, about 2-flowered ; leaves lan- 
ceolate, acute, entire ; calyx hemispherical. 
12 i. 
ERIOCAU'LON. 19—4. [Junci.) [From eKo/i, 
wool, kaulos, a stem, because some of the 
species have a velvety stem.] 
pellii'cidiim, (pipe-wort, g. Au. 11.) scape 
very slender, about 7-striped ; leaves linear- 
subulate, channeled, glabrous, pellucid, 5- 
contor^'tm, (Oc. 2^.) hairy involucre as j nerved, reticulate; head .smaU, globose; 
long as the glume; inner valve of the pa- scales of the involucre oval-obtuse. Grows 
leas eared ; awns spirally twisted. S. ! in water. 6-12 i. 
ERI'CA. 8—1. (EriccB.) [From ereiko, easy 
to break.] 
villo'sum, (2^.) scapes numerous, com- 
I pressed, about 4-furrowed, villous ; leaves 
pubes"cen!<, (downy heath, r. M.) corolla short, subulate, linear, hairy; head small, 
dnear, pubescent, with the limb erect ; cap- j spherical ; corolla nearly black. 12 i. Charle"*' 
sule glabrous; leaves fi-inged. Ex. 
cifie'rca, (common heath, p. Au. ^ .) leaves I gj^Q 
narrow-linear, in threes ; stem branched ; ' 
flowers in dense clusters, drooping. Abun- 
dant on the heaths of England and Scot- 
land. 
cilia'ris, leaves in fours, ciliate ; corolla 
egg-shaped, inflated. In boggy grounds. 
The heaths, though veiy common in Eu- 
rope, are all exotics in America. 
ERIGO'NUM. 9—1. (PolygonccB.) [From 
cnon, wool, gone, joint.] 
tomento' i^nm, (Ju. ZX ) leaves oval, wedge- 
form at the base, glabrous above, white- 
downy beneath ; cauline leaves in threes 
and fours ; fescicles of flowers axillary, 
solitary, sessile. 2 f. S. 
ERl'GERON. 17—2. {Corymbiferm.) [From 
the spring, geron, an old man, because in 
the spring it has a white, hoary blossom, re- 
sembling gray hair.] 
ton, S. C. 
'DIUM. 15—5. {Gerania.) [From erodias, 
a stork.] 
cico'nium, (stork-bill geranium, 0.) pe- 
duncled, many-flowered ; leaves pinnate , 
leafets pinnatifid, toothed; petals oblong; 
obtuse ; stem ascending. Ex. 
cicuta' rium, (hemlock-geranium, p. Ap 
@.) peduncles many-flowered ; leaves pin- 
nate ; leafets sessile, pinnatifid, gashed ; co- 
rolla larger than the calyx ; stem prostrate, 
hirsute. Ex. 
moscha'tum, (musk geranium, @.) pedun- 
cles many-flowered ; leaves pinnate ; leafeta 
sub-petioled, oblong, ga.sh toothed ; petals 
equalling the calyx ; stem procumbent. Ex. 
ER"VUi\I. 16—10. (LeguminoscE.) [From 
ervum, a field. Growing wild.] 
hirsii'tnm, (hairy tare, b-w. J. %.) leafeta 
linear, obtuse, mucronate ; peduncles 3-6 
bellidifo'Uum, (w-p. M. If.) hairy, gray; flowered, shorter than the leaves; legume 
radical leaves obovate, sub-serrate ; stem 
leaves remote, oblong-ovate, amplexicaul, 
entire ; stem 3-5 flowered ; rays nearly 
twice as long as the hemispherical calyx. 
2-18 i. 
jjJdladeV'phicnm, (w-p. J. Zf.) pube.=!cent; 
leaves wedge-oblong, sub-serrate, cauline end of the branches. 
oblong, hairy. 2-3 I". Stem dift'use ; leaves 
cirro.se. 
ERYN-'GIUM. 5—2. (Umbdlifer(B.) 
aqnaf icum, (button snake-root, w-b. Au. 
2X ) leaves ensiform, ciiiate-spinos<! ; 12-18 
inches long ; flowers in ovate headi? at the 
ones half-clasping ; ray florets capillaiy, 
long as the disk ; stem branched above, 
tnany-tiowered. 2-3 f. 
mnrtti'rnum, radical leaves sub-rotund, 
plicate, spino.se ; heads of flowera peduo 
''led. Sea-b4>\W. Root medicinal Ex, 
17* 
