"70 
ACROSTICHUM— AGRIMONIA. 
protruding from the side of an ensiform 
leaf; scape leafy above the spadix ; 
leaves 3-4 feet long ; water or wet 
grounds; root creeping, eti-ongly aromat- 
ic. 2 f 
ACROS"TICHgM. 21-1. (FiHces.) [From 
akros, highest, and stikos, order, from tlie 
row of leafets at the top.] 
aure'um, (fork fern, Ju. 11.) frond pin- 
nate ; leafets stiped, lance oblong, entire, 
acuminate, the upper ones bearing fruit. 
Very large, 4 or 5 feet high, 
ACT^'A. 12—1. (Ranunculacece.) [From 
Acteon, the hunter ] * 
america' na, (bane berry, w. 2^.) leaves 
twice and thrice tern ate; racemes ovate ; 
petals shorter than the stamens ; berries 
ovate-oblong. Var. alba (red cohosh), pet- 
als truncate; pedicels of the fruit thicker 
than the peduncle ; berries white. Var. 
ru'bra, petals acute, pedicels of the fruit 
slender, berries red. 2 f 
racemo'sa, leaves ternately decompound, 
leafets ovate-oblong, 2 to 4 inches long, 
nearly smooth, often 3-lobed ; racemes com- 
pound, terminal, 6 to 12 inches long ; many- 
flowered, petals minute; carpels dry, open- 
ing with 2 valves. 
ACTINOME'RIS. 17—3. (Corymbifera.) [From 
aktin, a ray, mens, part.] 
heliarUhoi'des, (y.) leaves lanceolate, 
acute, sei'rate, white-villose beneath; co- 
rymb simple, compact ; stem winged. (S^. 
squarro'sa, (w. y. Au. Zf.) stem-winged, 
corymbose-paniculate ; leaves lanceolate, 
acuminate at each end, serrate, roughish- 
pubescent ; disk sub-globose, at length 
squarrose. 3 f 
ADIAN"TUM. 21—1. (Filices.) [From a, 
not, and diaino, to grow wet, because its 
leaves are not easily wet.[ 
peda'tum, (maiden hair, J. IX.) frond pe- 
date, with pinnate branches ; leafets halved, 
upper margin gashed, barren segments 
toothed, fertile ones entire ; stipe capillary, 
very glabrous. Woods, 1 f 
ADLU'MIA. 16—5. (Fumariacea.) [In hon- 
or of John Adlum, a distinguished cultivator 
of this vine.] 
cirrlw'sa, (climbing colic-weed, y. w. J. 
^ .) stem climbing; leaves cirrous; racemes 
axillaiy, corymbed, nodding ; corolla mono- 
petalous, gibbous both sides of the base. 
Cultivated. 
ADO"NIS, 12—12 {Ranunculacece.) [Said to 
have been consecrated by Venus to the 
memory of the beautiful Adonis.] 
autumna'lis, (pheasant's eye, Au. 0.) 
flowers 5 to 8-petalled; fruit cylindric; pet- 
als emarginate. Ex. 
ADOX"A. 8—4. {SaxifragoB.) [From the 
Greek o, without, and doxa, glory.] 
moachatelW na, (g.) peduncles 4-flowered 
filaments united at the base in pairs ; an- 
thers round. iS^. | 
iESCHYNO.^'ENE. 16—10. {LegummosmA ' 
his"'pida, (I'alse sensitive plant, y r. .lu. | 
0.) stem herbaceous, erect; petioles and 
fteduncles hispid; leaves in many pairs,! 
eatels linear, obtuse ; racemes simijle. 3 to 
5-ttowered ; legumes with 6 to 9 hispid 
joints. Marshes. Penn. to Car. 1 
viscidf'ida, (y. 11.) stem procumbent, vis- 
cid, slender; leafets 7 to 9-obovate ; pedun- 
cles about 2 flowered; legume hairy; joints 
deeply notched. Sandy grounds. 3f S, 
^'SCULUS. 7—1. (Hyppocastanece.) [From 
the Lalin esca, food.] 
hippocas"tanum, (horse chestnut, w. J. 
'^.) leaves digitate, with about 7 divisions; 
corolla 5-petalled, spreading ; flowers in a 
panicled pyramid. 15 f. Ex. 
glabra, (buck-eye, y-w. May. leavea 
quinate, smooth, leafets ovate-acuminate ; 
corolla 4-petalled, spreading, with the claws 
as long as the calyx ; stamens longer than 
the corolla; capsules echinate. Woods; 
a small tree with flowers in panicled ra- 
cemes. Penn. to Miss. 
macrosta'chya, (Ap. 'f) .) leaves in 5 di- 
visions, downy beneath ; raceme very long; 
corolla 4-petalled, expanding; stamens long. 
Beautiful shrub. 6 f. By some called 
pa'via, and considered a separate genus. 
.^THU'SA. 5—2. (UmhelUferce.) [A Greek 
word signifying beggarly.] 
divarica'ta, (w. %.) stem erect, slender; 
leaves biternate, segments narrow-linear; 
umbels terminal, without involucres, par- 
tial umbeLs, 3 to 5-flowered ; fruit hispid. 
cyna'pmm, leaves hi- and tripinnate, dark 
green ; segments ovate, lanceolate ; umbels 
terminal. Road-sides. Flowers white, in 
many-rayed umbels ; very poisonous. 1 f. 
Fool's parsley. 
AGARI'CUS. 21—6. {.Fungi.) [The name is 
said to have been given in consequence of 
the resemblance of the plant to a mineral 
called Agaricus, which is soft and spongy in 
its texture.] 
campes"tris, pileus fleshy, flattish, having 
dark yellow scales; lamella becoming yel- 
lowish red ; stipe short ; the ring-volva 
rather incomplete. This is the common 
eatable mushroom. 
AGA'VE. 6—1. (BromeKm.) [From a Greek 
word, signifying beautiful.] 
virgin' ica, (y-g. 11 S.) stemless, herba- 
ceous ; leaves with cartilaginous serratures ; 
scape simple ; flowers sessile. Scape 6. f. 
Flowers fragi-ant. Rocky banks. Penn. 
to Car. False aloe.] 
AGER"ATUM. 17—1. (Helianihea.) [From 
the Greek a, without, geras, old age, because 
it never changes color.] 
mexica' num, (b. J. %) hispid ; leaves cor- 
date, ovate, crenate, rugose ; corymb com- 
pound ; charts of the egret lanceolate, 
awned. Cultivated. Mexico.. 
AGRIMO'NIA. 11—2. {Rosacea.) {Fromagros, 
a field, monos, alone.] 
eupato'ria, (agrimony, y. Ju. 2^.) cau- 
line leaves interruptedly pinnate, the termi- 
nal leafet pctioled, leafets obovate, gash- 
toothed, almost glabrous; flowers sub-ses- 
sile ; petals nearly twice as long as the ca- 
lyx; fruit hispid. 2f 
suaveo'lems, (y. Ju. 2^.] stem very hispid; 
leaves interruptedly pinnate, leafets nu- 
w erous. lanceolate, acutely toothed, sea 
bjous above, and pubescent beneath ; fruit 
turbinate, smooth at the base. 5 f 
parvijic/ra, (dotted agrimony, y. Ju. 2^.) 
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