EPIPHEaUS— ERYNGFJM. 
101 
EPTPirEGUS. 13-2. {Pediculares .) [From 
epi, upon, pkegas, the beech.] 
virs[inia'nii,x, (beech-drops, cancer-root, 
y. p. Ju. 11-) stem veiy branching' ; flowers 
alternate, distant ; calyx short, cup-form, 
shorter than the capsule. The whole plant 
is yellowish -white, and of a naked appear- 
ance. 8-12 i. Astringent. 
EQL'ISE'TUM. 21— I. 'Filices.) [From e^wws, 
a horse, seta, bristly.] 
hyema'le, (.scouring rush, Ju. 11.) 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"se, (horse-tail, Ap. 7X) sterile stems 
Bomewhat decumbent, with simple, square, 
and scabrous branches ; fertile ones erect, 
simple; sheaths incisely toothed, cylindri- 
cal ; teeth acute. 
scirpoi'dea, (.Tu. 2i.) stem simple, a.scend- 
ing, glabrou.g, filiform, bearing a spike at the 
top ; sheaths 3-toothed ; teeth withering, 
with caducous awns at the apex. 3-6 i. 
ulisci7io' snm, (11.) stem erect, round, fur- 1 
rowed, nearly smooth, somewhat branched ; 
Dranches from the middle joints unequal ; | 
eheaths seiTate above ; teeth even, acute, j 
black. 
ERIAN"THUS. 2—2. (Graminea.) 
alopeairoi'des, (p. S. 11. ) hair-like invo- 
lucre much longer than the glumes ; awns 
straight. 6-10 f. S. 
coutor"tHS, (Oc. 11.) hairy involucre as 
long as the glume ; inner valve of the pa- 
leas eared ; awns spirally twisted. (S. 
ERI'CA. 8 — 1. {Erica.) [From ereiko, easy 
to break.] 
pnhes"ceiii^, (downy heath, r. M.) corolla 
iinear, pubescent, with the limb erect ; cap- 
sule glabrous; leaves fringed. Ex. 
cine'rca, (common heath, p. Au. 1? .) leaves 
narrow-linear, in tlirees ; stem branched ; 
flowers in dense clusters, drooping. Abun- 
dant on the heaths of England and Scot- 
land, i 
cilia'ris, leaves in fours, ciliate ; corolla : 
egg-shaped, inflated. In boggy grounds. | 
The heaths, though very common in Eu- \ 
rope, are all exotics in America. i 
ERIGO'NUM. 9—1. (Polygoncce.) [From | 
crron, wool, gone, joint.] j 
toniento'svm, (Ju. 11) leaves oval, wedire- [ 
form at the base, glabrous above, white- i 
downy beneath ; cauline leaves in threes 
and fours ; fascicles of flowers axillary, 
solitary, ses.'^ile. 2 f S. \ 
ERl'GERON. 17—2. (Corymhiferce.) [Fiom ' 
er, the .spring, geron, an old man, because in 
tlie spring it has a wliite, hoary blossom, re- 
sembling gray hair.] '■ 
bpllidifo'limn, (w-p. M. 2_f .) hairy, gray ; 
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. 
12-181. # 
philadeV'phicnm, (w-p. J. 11) pubescent; 
leaves wedge-oblong, sub-serrate, cauline 
ones half-clasping ; ray florets capillary, as 
long as the disk ; stem branched above, 
many-flowered. 2-3 f. 
piirpu'reum, (O. p. Ju. IX) pubescent; 
leaves oblong, toothed, clasping, upper ones 
entire ; peduncles thickened, corymoed, 
lower ones elongated; scales of the calyx 
hairy on the keel ; rays twice as long as the 
calyx. 2 f. 
strigo's7im, (O. w. Ju. ^ ) strigose-pilose; 
leaves lanceolate, tapering to both ends ; in 
the middle are a few coarse teeth, or they 
are entire ; flowers corymb-panicled. 2-3 f. 
heterophyl'liim, [W. w. J. $) radical 
leaves round-ovate, deeply toothed, peti- 
oled, cauline ones lanceolate, acute, sen-ate 
in the middle ; corymb terminal. 2-3 f. 
canad,en"se, (flea-bane, pride-weed, O. 
w. Ju. 0.) stem hispid, panicled ; leaves 
lance-linear, ciliate ; calyx cylindric ; rays 
crowded, short. Var. 
midicau'le., (E. w. y. J. IX) glabrous; 
radical leaves lance-spatulate, acute, slightly 
toothed ; stem simple, nearly leafless, long ; 
tenninal corymb few-flowered ; rays as long 
as the involucre. 2 f. 
as"perum, (W. w. Au.) hir.sute-scabrous ; 
stem slender, about 2-flowered ; leaves lan- 
ceolate, acute, entire ; calyx hemispherical. 
121. 
ERIOCAU'LON. 19—4. (Junci.) [From erton, 
wool, kaulos, a stem, because some of the 
species have a velvety stem.] 
pellu'cidum, (pipe-won, g. Au. IX) scape 
very slender, about 7-striped ; leaves linear- 
subulate, channeled, glabrous, pellucid, 5- 
nerved, reticulate ; head .small, globo.se ; 
scales of the involucre oval-obtuse. Grows 
in water. 6-12 i. 
villo'svm, (IX) scapes numerous, com- 
pressed, about 4 -furrowed, villous ; leaves 
short, subulate, linear, haiiy ; head small, 
spherical; corolla nearly black, 12 i. Charles- 
ton, S. C. 
ERO'DIUM. 15—5. {Gerania) tFvom erodias, 
a stork.] 
cico'iLium, (stork-bill geranium, @.) pe- 
duncled, many-flowered ; leaves pinnate ; 
leafets pinnatifid, toothed; petals oblong, 
obtuse; stem a,scending. Ex. 
cicutn'rivm, (hemlock-geranium, p. A p. 
@.) peduncles many-flowered ; leaves pin- 
nate ; leafets sessile, pinnatifid, gashed ; co- 
rolla larger than the calyx ; stem prostrate, 
hirsute. Ex. 
mo.^cha'tnm, (musk gei'anium, 0.) pedun- 
cles many-flowered ; leaves pinnate ; leafets 
sub-petioled, oblong, gash toothed ; petals 
e(]ualling the calyx ; stem procumbent. Ex. 
ER"VUiVI. 16—10. {Leguviinosa.) [From 
ervum, a field. Growing wild.] 
hirsu'tnm, (hairy tare, b-w. .J. @.) leafets 
linear, obtuse, mucronate ; peduncles 3-6 
flowered, shorter than the leaves ; legume 
oblong, hairy. 2-3 f. Stem diffuse ; leaves 
cirro.se. 
ERYN"GIUM. 5—2. {Umhdliferce.) 
nqiiaf'tcum, (button .snake-root, w-b. Au. 
IX) leaves ensiform, ciliate spinose ; 12-18 
inches long ; flowers in ovate heads at the 
end of the branches. 
mariti'mum, radical leaves sub-rotund, 
plicate, spinose; heads of flowers ped un- 
cled. Sea-holly. Root medicinal Ex. 
