PROSERPiN ACA— l-S^ OHOTRI A. 
i65 
pfttTA peduncled, 6 cleft; staminate ones 
aggregate, triandrous. S. 
coria'ccovs, (M. ^.) leaves perennial, 
broad oval, acute, serrate near the apex, 
lucid above, minute-punctate beneath ; pis- 
tillate flowers solitary, generally 8-parted ; 
staminate ones aggregate-octandrous. Var. 
latifo'lia, leaves lance-obovate, acuminate. 
Var. an£(ustifo'lia, leaves lanceolate, acute. 
5-6 f. S. 
PROSERPINA'CA. 3—3. {Hydrocharides.) 
[From Proserpina, fabled as queen of the 
lower regions.] 
polus"tns, (mermaid- weed, Au. up- 
oer leaves lance-linear, serrate ; lower ones 
often pinnatifid; fruit angular, acute, stem 
procumbent. Wet places. 
pectinii'ta, distinguished from the former, 
by having the leaves all finely pectinate, 
and the fruit with rather obtuse angles. 
PROSO'PIS. 10—1. ( Leguminosa.) [From Pro- 
sopon, face, from the appearance of the fru- 
cification.] 
glitudido'sa, ( ^).) spii.js thick, cylindric- 
conic; leaves conjugate-pinnate, or j>innate 
in one pair ; leafets distant, G-7 pairs, lin- 
ear, sub-falcate, obtuse, glabrous, sub-cori- 
aceous ; petiole between the leaves and 
leafets glandular ; legumes straight ; spikes 
jylindric. 
PRUNEL"LA. 13—1. {Lahiata.) [From 
pruna, a bum, because it heals burns.] 
vulga'ris, var. pennsylva'nica, (heal-all, 
self heal, J. 11) leaves petioied, oblong 
ovate, toothed at the base ; lips of the ca- 
lyx unequal; upper one truncate, awned 
stem ascending. 6-12 i. 
PRU'NUS. 11—1. (Rosacea.) [Prunus, the 
Latin name for plum.] 
A. Floicers in raceviex. 
virginia'na, (wild-cherry, rum cherry, 
cabinet cherry, w. M. ^.) racemes erect, 
elongated; leaves oval oblong, acuminate, 
unequally serrate, glabrous both sides ; 
petioles generally bearing 4 glands. In 
open fields, the limbs of this tree spread 
out into an elegant oval top ; but in dense 
forests, it grows to a very great height, 
with a few contracted branches. 
america'na, (yellow or meadow plum, 
w. m. Tp.) leaves oblong oval, acuminate, 
sharply serrate, veined ; pedicels smooth ; 
Btipules mostly 3-parted ; drupe oval or 
Bub-globose, reddish yellow, with a coria- 
ceous skin. Banks of streams ; meadows. 
rfiariH'ma, (w. M. peduncles sub- 
solitary; leaves ovate-oblong, acuminate, 
doubly serrate. 
seroti'na, (choke-cherry, w. J. ^.) flow- 
ers in lax racemes ; leaves oval, short-acu- 
tninate, opake, doubly and acutely serrate; 
midrib bearded on each side towards the 
base ; petiole with 2 glands. 
Canada nl' sis, (w. ^ .) flowers in racemes ; 
jeaves glandless, broad-lanceolate, rugose, 
sharply serrate, pubescent both sides, ta- 
pering into the petiole. 
spino'sa, (English sloe, ^.) peduncles 
•lolitaiy ; leaves lance-oval, pubescent be- 
neath; fruit straight; branches thorny. 
Ex. 
19* 
cera'sus, (garden cherry, w. r h ] arubel 
sab peduncled ; leaves lance-ovate, glab- 
rous, condu plicate. Ex. 
dome.:<"tica, (plum, w. M. ^ .) peduncleg 
sub-solitary; leaves lance-ovate, convolute; 
branche.s thoriiless. Vsir.JiiIia/7ia, (dam.son 
plum,) fruit oblong, blue. Var. chmdia'na, 
(sweet plum, horse-plum,) fruit round, a| 
first green, becoming yellowish. Var. errn- 
clca'ta,{s\.oxie\ess, plum.) the putamen obso. 
lete. Ex. 
can"dicans, has long clusters of white 
flowers, leaves woolly. Very ornamentaL 
Ex. 
cacomil"la, a native of Italy. 
divarica'ta, has white flowers and yellow 
fruit. Ex. 
PSORA'LEA. 16—10. (Leguminosm.) [From 
psoralens, scabby ; the plant being more or 
less glandular, which gives it a scurfy ap- 
pearance.] 
esculen'ta, (bread-root, b. J 11.) villose, 
leaves quinate-digitate ; leafets lanceolate, 
unequal, flat, entire; spikes axillary, dense- 
flowered; divi.sions of the calyx lanceolate, 
scarcely as long as the corolla , legume en- 
siform, beaked ; root fu.siform. The root is 
used for food by the Indian.s. 
canes" ceiis, (y. J. 11.) hoary; leaves trl 
foliate, short-petioled, broad-lanceolate , 
spikes lax flowered; flowers pedicelled } 
calyx hairy, not as long as the corolla. S, 
tenvifo'lin, (b. S. 2X.) pubescent, branch- 
ing; leaves trifoliate; leafets oval, rugose- 
punctate on both sides; peduncles axillary, 
about 3 flowered, longer than the leaves. 
2 f. 
hipineVla, (p. J.) stem sparingly branch- 
ed ; leaves digitate, long-petioled ; leafets 
filiform ; racemes many-flowered, longer 
than the leaves ; legumes rugose. 2 f. S, 
longifo'lia, [11.) wholly silky-villose ; 
leaves trifoliate ; leafets long-linear; spikes 
axillary, peduncled, lax- flowered, shorter 
than the leaves ; teeth of the calyx and 
bracts subulate. S, 
onobry'chis, stem smooth ; leaves trifo- 
liate ; leafets lance-ovate, sub-pubescent ; 
racemes axillary, long-peduncled ; flowera 
1-sided; legume sub-ovate, muricate 
smooth. 3-5 f. S. 
virga'ta, (b. 2^.) stem virgate, sub-pubes- 
cent ; radical leaves oblong, ovate ; cauline 
ones very narrow, glabrous ; spikes axilla- 
ry, shorter than the leaves. 2 f. S. 
melilotoi'des, (p. J.) sub-pubescent ; leaves 
trifoliate ; leafets lance-oblong ; spikes ob- 
long; bracts broad-cordate, long-acumin- 
ate ; pods round, nerved, very rugose. 1-9 
f. S. 
eglandulo^sa, (p. J. 2^.) pubescent, with- 
out glands; leaves trifoliate, oblong-lanee- 
olate ; spikes oblong ; bracts broad, lance- 
olate, long-acuminate, and with the calyx 
villose. S. 
mulliju'ga. (p. J.) stem branching : JtAved 
pinnate ; leafets numerous (9-10 pairs) 
lance-oblong, obtuse, pubescent; spikes 
oblong ; bracts small, membranaceous, 
glandless. 1-2 f. S. 
PSl CHO'TRlA 5- 1. (Rubiacem.) [From 
