AGRO STE MM A— A L YSSUM. 
377 
Bairy, leaves interruptedly pinnate, with 
the terminal ones sessile, leaiets numer- 
ous, mostly linear-lanceolate, incisely ser- 
rate ; spike virg^ate ; flowers on very short 
pedicels ; petals longer than the calyx ; 
fruit roundish,' divaricately hispid. 
\'GROSTEM"MA. 10—5. {Caryophyllea.) 
[From the Greek agros, field, stemma, gar- 
land.] 
gUha'go, (cockle, r. J. @.) hirsute ; ca- 
lyx longer than the corolla ; petals entire. 
corona'ria, (Au. $ .) tomentose ; leaves 
lance-ovate; petals emarginate. Rose 
campion. Ex. 
\G}tOS"TiS. 3—2. (Graminea.) [From agro.i, 
field. J 
stri'/'/a, (hentgrass, J. If.) panicle elon- 
fyated, straight; glumes equal ; paleas smal- 
ler than the glumes, unequal, with an awn 
at the base of the outer one longer than 
the flower. 
lat!erijio'ra, (Au. 2^.) culm erect, 
branched above, sending off" shoots at the 
base ; panicle lateral and terminal, dense ; 
flumes acuminate ; paleas longer than the 
glumes, equal, hairy at the base, awnless; 
root creeping ; leaves broad, with scab- 
rous margins and compressed sheaths. 2 f. 
VKV.Jilifo'/'ntis, a very slender panicle, and 
the paleas nearly equalling the glume. 
Sometimes the culm is sub-decumbent. 
Swamps. 
vidga'ris, (red-top, J. If.) panicle with 
smoothish branches, spreading in maturity ; 
outer valve of the corolla 3-nerved ; stipule 
short, truncate. 18 i. 
ar'ba, (white-top, bonnet grass, J. If.) 
panicle with hispid, spreading, lax branch- 
es, outer valve of the corolJa 5-nerved, 
stipule oblong. 18 i. Var. dea(,m"bens, 
stem decumbent. This variety is consid- 
ered as a distinct species by some, and 
called stoloriif'era. 
AI'RA. 3—2. (Graminem.) [From the Greek, 
a deadly instrument.] 
Jlexiio'sa, (hair grass, J. 2^.) panicle 
spreading, trichotomous ; branches flexu- 
ous ; glumes a httle .shorter than the florets, 
and about the length of the awn ; leaves 
setaceous ; culm nearly naked. 20 i. 
o'(p(al"ica, (water hair-gra.ss, M. 2X-) pan- 
*c!ea spreading, half whorled ; flowers 
beardless, obtuse, smooth, longer than the 
glumes; leaves flat; culm creeping. Wa- 
er. 
.\.IU"GA. 13—1. (LabiatcB.) [From a, with- 
out, zugon, yoke, not paired.] 
ckamcepi'fhi/s, (y. J. leaves 3-cIeft; 
riowcrs axillary, solitary, shorter than the 
•eaves ; stem diffused. 
ALCIIEMIL"LA. 4—1. (Rosacm.) [A plant 
formerly in repute among the a'chymists.] 
alpi'na, (A. w. If.) leaves digitate, ser- 
rate, white, soft beneath. Ladies' mantle. 
High mruntains. Ver. N. Hamp. 
ALE'TRIS 6—1. (Asphodeli.) [From a 
Greek word signifying meal, from a sub- 
stance contained in the corolla.] 
farino'sa, (Ju. y. If.) leaves radical, 
•road-lanceolate, smooth; flowers pedi- 
celled, oblong- tubular ; tKe j^erianth wi.en 
decaying nearly smooth Sandy woods, 
N. Eng. to Car. White flowers in a lon- 
gitudinal spike. Root very bitter. Star- 
grass, colic-root. 
aure'a, (Aug. If.) flowers yellow, sub- 
sessile, sub-campanulate. N. J. to Car. 
ALIS"MA. 6—13. (/unci.) [From the Greek 
als, the sea.] 
planta'go, (water plantain, w. Ju. 2J[.) 
leaves ovate-cordate, acute or obtu>se, 5 ti 
9-nerved ; flowers in a compound, verticil- 
late panicle; fruit obtusely triangular. Var. 
parviJlo'ra,i[o\v or 9 very small ; leaves oval, 
5 to 7-nerved, acuminate. 
ALLIO'NIA. 4—1. (JasminecE.) [Named in 
honor of an Italian bot anist.] 
aV'bida, (Ap.) leaves opposite, somewhat 
scabrous, lance-oblong ; involucrurn 5-cleft ; 
corolla longer than the involucrum. 
nyctagyn"ia (Ju. I.f .) stem erect ; leaves 
broad-cordate, glabrous, acute ; peduncles 
solitary. 
AL"LIUM. C— 1. {Asphodeli.) [From aZco, to 
smell.] 
ce'pa, (garden onion, Ju. If.) scape na- 
ked, swelling toward the base, longer than 
the terrete leaves. 
schoBiLopra'snm. (cives, Ju. 2/.) scape na 
ked, equalling the If^aves, which are terete- 
filiform. Ex. 
vinca'le, (field garlii, p. J. I/.) stem slen- 
der, a little leafy ; cauhne leaves rounded, 
fi.stulous ; umbelliferous umbels bearing 
bulbs ; stamens alteraately tri-cuspidate. 
Rose-colored. Introduced from N. Scotia. 
canndcn" s^c, scape naked, terete ; leaves 
linear ; head bulbiferous. Meadows. Flow 
era numerous, rose-colored. Can. to Vir. 
sati'vum, (garlic, Ju. l/-) stem Hal-leaved, 
bulb-bearing ; bulb compound ; sta.mens 
tri-cuspidate. 
AL"NUS. 19-4. (AmentacecB.) [From alno, 
Italian for alder.] 
serrula'ta, (alder, r-g. A p. ^.) leaves ob- 
ovate, acuminate; veins and their axils 
hairy beneath ; stipules oval, obtuse. 3 f 
glutino'Rn, (Ap. ^ .) leaves rcund-wedge 
form, obtuse, glutinous, axils of the vciuq 
downy. 
glau'ca, (Mar. ^ .) leaves oblong, acute, 
doubly seirate, glaucous beneath, axils of 
the veins naked; stipules naked. Black 
alder. 
ALOPECU'RTJS. 3—2. (Graminea.) [From 
alopex, a fox, and aura, a tail.] 
praten"su, (meadow grass, foxtail, J. If.) 
culm erect, smooth ; spike cylindric ; pa- 
leas as long as the glumes. 
AL"TH^A. 15—12. (Malvacea.) [From ai 
thso, to heal.] 
officina'lis, (marsh mallows, r. y. Ju. If.) 
leaves downy, oblong-ovate ; obsole*;ely 3- 
lobed, toothed. Flowers large, purple, 
near salt marshes. 2 f. 
mse^a, (hollyhock, <^ .) stem erect; leaves 
rough, heart-form, 5 to 7-angled, crenate 
Ex. 
fcifo'lin, (fig-hollyhock, $ .) leaves 7 
lobed, sub-palmate, obtuse. Ex. 
ALYS"SUM. 14—1. (Crucifera.) [From th« 
