AGROPTEMMA— ALYSSUM. 
71 
Dairy, leaves interruptedly pinnate, with 
the terminal ones sessile,, leafets numer- 
ous, mostly linear-lanceolate, incisely ser- 
rate ; spike virgate ; flowers on very short 
pedicels ; petals longer than the calyx ; 
fruit roundish, divaricately hispid. 
4'GR0STEM''MA. 10—5. (Caryophyllea.) 
[From the Greek agros, field, stemma, gar- 
land.] 
githa'go, (cockle, r. J. 0.) hirsute ; ca- 
lyx longer than the corolla ; petals entire. 
corona'ria, (Au. $ .) tomentose; leaves 
lance-ovate ; petals emarginate. Rose 
campion. Ex. 
AGR0S"T1S. 3—2. (Graminece.) [From agros, 
field.] 
strid'ta, (bentgrass, J. If-) panicle elon- 
gated, 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'erijlo'ra, (Au. I^.) culm erect, 
branched above, sending off shoots at the 
base ; panicle lateral and terminal, dense ; 
gflumes 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. 
W&x.jilifor"vm, a very slender panicle, and 
the paleas nearly equalling the glume. 
Sometimes the culm is sub-decumbent. 
Swamps. 
vulga'ris, (red-top, J. 2^.) panicle with 
smoothish branches, spreading in maturity ; 
outer valve of the corolla 3-nerved ; stipule 
short, truncate. 18 i. 
aV'ha, (white-top, bonnet grass, J. 1/.' 
panicle with hispid, spreading, lax branch 
es; outer valve of the corolla 5-nerved , 
stipule oblong. 18 i. Var. decum"hens, 
stem decumbent. This variety is consid- 
ered as a distinct species by some, and 
called stolonif'era, 
AI'RA. 3—2. (Graminece.) [From the Greek, 
a deadly instrument.] 
Jlexno'sa, (hair grass, J. 11) panicle 
spreading, trichotomous ; branches flexu- 
ous ; glumes a little shorter than the florets, 
and about the length of the awn ; leaves 
setaceous ; culm nearly naked. 20 i. 
a'quaf'ica, (water hair-grass, M. IX-) pan- 
icles spreading, half whorled ; flowers 
beardle.ss, obtuse, smooth, longer than the 
glumes; leaves flat; culm creeping. Wa- 
ter. 
A.1U"GA. 13—1. (LahiatcB.) [From a, With- 
out, zugon, yoke, not paired.] 
chamcepi'thys, (y. J. leaves 3-cleft; 
flowers axillary, solitary, shorter than the 
leaves ; stem diffused. 
ALCHEMJL"LA. 4—1. (Rosacce.) [A plant 
formerly in repute among the alchymists.] 
alpi'na, (A. w. 11.) leaves digitate, ser- 
rate, white, soft beneath. Ladies' mantle. 
High mountains. 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. 11.) leaves radical, 
broad-lanoeolate, smooth; flowers pedi- 
celled, oblong-tubular ; the perianth when 
decaying nearly smooth. Sandy woods, 
N. Eng. to Car. White flowers in a lon- 
gitudinal spike. Root very bitter. Slar- 
grass, colic-root. 
aure'a, (Aug. 2^.) flowers yellow, sub- 
sessile, sub-campanulate. N. J. to Car. 
ALIS"MA. 6—13. (Junci.) [From the Greek 
als, the sea.] 
planta'go, (water plantain, w. Ju. 11.) 
leaves ovate-cordate, acute or obtuse, 5 to 
9-nerved ; flowers in a compound, verticil- 
late panicle; fruit obtusely triangular. Var. 
parviJlo'ra,tiow ers very small ; leaves oval, 
5 to 7-nerved, acuminate. 
ALLIO'NIA. 4—1. (Jasminece.) [Named in 
honor of an Italian botanist.] 
al"bida, (Ap.) leaves opposite, somewhat 
scabrous, lance-oblong ; involucrum 5-cleft ; 
corolla longer than the involucrum. 
nyctagyn"ia (Ju. 11.) stem erect ; leaves 
broad-cordate, glabrous, acute ; peduncles 
solitary. 
AL"L1UM. C— 1. (Asphodeli.) [From aZeo, to 
smell.] 
ce'pa, (garden onion, Ju. If.) scape na- 
ked, swelling toward the ba.se, longer than 
the terrete leaves. 
schoenopra'sum, (cives, Ju. 2J!.) scape na 
ked, equalling the leaves, which are terete- 
filiform. Ex. 
vinea'le, (field garlic, p. J. 11.) stem slen- 
der, a little leafy ; cauline leaves rounded, 
fi.stulous ; umbelliferous ; umbels bearing 
bulbs ; .stamens alternately tri-cuspidate. 
Rose-colored. Introduced from N. Scotia. 
canaden"se, scape naked, terete; leaves 
linear ; head bulbiferous. Meadow.s. Flow- 
ers numerous, rose-colored. Can. to Vir. 
sati'vum. (garHc, Ju. 2^.) stem flat-leaved, 
bulb-bearing ; bulb compound ; stamens 
tri-cuspidate. 
AL"NUS. 19—4. (AmentacecB.) [From alno, 
Italian for alder.] 
serrula'ta, (alder, r-g. Ap. ^.) leaves ob- 
ovate, acuminate; veins and their axils 
hairy beneath ; stipules oval, obtuse. 9 f. 
glutino'sa, (Ap. ^.) leaves rcund-wedge 
form, obtuse, glutinous, axils of the veins 
downy. 
glau'ca, (Mar. .) leaves oblong, acute, 
doubly serrate, glaucous beneath, axils of 
the veins naked; stipules naked. Black 
alder. 
ALOPECU'RUS. 3—2. (GraminecE.) [From 
alopex, a fox, and aura, a tail ] 
pruten"siH, (meadow grass, foxtail, J. 11.) 
culm erect, smooth ; spike cylindric ; pa- 
leas as long as the glumes. 
AL"TH^A. 15—12. (Malvacea.) [From aU 
theo, to heal.] 
offidna'lis, (marsh mallows, r. y. Ju. 11.) 
leaves downy, oblong-ovate ; obsoletely 3- 
lobed, toothed. Flowers large, purple, 
near salt marshes. 2 f. 
mse'a, (hollyhock, .) stem erect ; leaves 
rough, heart-form, 5 to T angled, crenate. 
Ex. 
ficifo'lia, (fig-hollyhock, $ .) leaves 7- 
lobed, sub-palmate, obtuse. Ex. 
ALyS"SUM. 14—1. (CruciSera.) [From tho 
