PROSERPINACA— PSYCHOTRIA. 
149 
pairs, peduncled, 6-cleft; stamiuate ones 
aggregate, triandrous. S. 
coria'ceous, (M. ^.) leaves perennial, 
broad oval, acute, serrate near the apex, 
lucid above, minute-punctate beneath ; pis- 
tillate flowers solitary, generally 8-parted ; 
Btaminate ones aggregate-octandrous. Var. 
latifo'lia, leaves lance-obovate, acuminate. 
Var. an!fustifo'lia,lea.\es lanceolate, acute. 
5-6 f. ^. 
PROSERPINA'CA. 3—3. {Hydrocharides.) 
[From Proserpina, fabled as queen of the 
lower regions.] 
palus"tn!i, (mermaid- weed, Au. @.) up- 
per leaves lance-linear, serrate ; lower ones 
often pinnatifid ; fruit angular, acute, stem 
procumbent. Wet places. 
pectina'ta, distinguished from the former, 
by having the leaves all finely pectinate, 
and the fruit with rather obtuse angles. 
PRUSO'PIS. 10—1. (LeguminoscR.) [From Pro- 
io/jon, face, from tlie appearance of the Iru- 
cification.] 
glandulo'sa, { spines thick, cylindric- 
conic ; leaves conjugate-pinnate, or pinnate 
in one pair ; leafets distant, 6-7 pairs, lin- 
ear, 8ub-falcate, obtuse, glabrous, sub-cori- 
aceous ; petiole between the leaves and 
leafets glandular ; legumes straight ; spikes 
jylindric. 
PRUNEL"LA. 13—1. {Labiata.) [From 
pruna, a burn, because it iieals burns.] 
vulga'ris, var. pennsylva'nica, (heal-all, 
«elf-heal, J. 11) leaves petioled, oblong- 
ovate, toothed at the base ; lips of the ca- 
lyx unequal; upper one truncate, awned ; 
stem a.sceuding. 6-12 i. 
PRU'NUS. 11—1. illosacem.) [Prunus, the 
Latin name for plum.] 
A. Floioers in racernes. 
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 den.«e 
forests, it grow.s to a very great height, 
with a few contracted branches. 
amenca' iia, (yellow or meadow plum, 
w. m. fp.) leaves oblong oval, acumijiale, 
sharply serrate, veined ; pedicels smooth ; 
stipules mostly 3-parted ; drupe oval or 
Bub-globose, reddish yellow, with a coria- 
ceous skin. Banks of streams ; meadows. 
mariti'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- 
minate, opake, doubly and acutely serrate; 
midrib bearded on each side towards the 
base ; petiole with 2 glands. 
canaden"ds, (w. Ip.) flowers in racemes ; 
leaves glandless, broad-lanceolate, rugose, 
sharply serrate, pubescent both sides, ta- 
pering into the petiole. 
sjrino'sa, (English sloe, ^.) peduncles 
'"olitary ; leaves lance-oval, pubescent be- 
neath ; fruit straight; branches thorny. 
Ex. 
cera's7is, (garden cherry, w. r. ^ .) umbel 
sub peduncled ; leaves lance-ovate, glab- 
rous, conduplicate. Ex. 
dome!i"ti(:a, (plum, w. M. peduncles 
sub-solitary ; leaves lance-ovate, convolute ; 
branches thornless. Var. jw/fa'Tzo', (damson 
plum,) fruit oblong, blue. Var. clavdia'na, 
(.sweet plum, horse -plum,) fruit round, at 
first green, becoming yellowish. Var. emi- 
(:Zert'^a,(stoneless 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, vi^hich gives it a scurfy ap- 
pearance.] 
escnle)i"ta, (bread-root, b. J. 2J!.) villose, 
leaves quinate-digitate ; leafets lanceolate, 
unequal, flat, entire; spikes axillary, dense- 
flowered; divisions of the calyx lanceolate, 
.scarcely as long as the corolla ; legume en- 
siform, beaked ; root fusiform. The root is 
used for food by the Indians. 
canes" cen^, (y. J. 2/.) hoary ; leaves tri- 
foliate, short-petioled, broad-lanceolate ; 
spikes lax flowered; flowers pedicelled ; 
calyx hairy, not as long as the corolla. S. 
temiifo'lia, (b. S. Z.(.) pubescent, branch- 
ing; leaves trifoliate; leafets oval, rugose- 
punctate on both sides; peduncles axillaiy, 
about 3 flowered, longer than the leaves. 
2 f. S. 
lupinel'ln, (p. J.) stem sparingly branch- 
ed ; leaves digitate, long-petioled ; leafets 
filiform ; racemes many-Howered, longer 
than the leaves ; legumes rugo.se. 2 f. iS. 
longifo'lia, (2J[.) 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. 
oiiobry'chis, stem smooth ; leaves trifo- 
liate ; leafets lance-ovate, sub-pubescent ; 
racemes axillary, long-peduncled ; flowers 
1-sided; legume sub-ovate, muricate, 
smooth. 3-, 5 f. S. 
virga'ta, (b. 2_f-) stem virgate, sub -pubes- 
cent ; radical leaves oblong, ovate ; cauline 
ones very narrow, glabrous ; spikes axilla- 
ry, .shorter than the leaves. 2 f. S. 
meVdotol'des, (p. J.) sub-pubescent ; leaves 
trifoliate ; leafets lance oblong ; spikes ob- 
loug; bracts broad-cordate, long-acumin- 
ate ; pods round, nerved, very rugose. l-i2 
f. S. 
eglandulo' sa, (p. J. 2X-) pubescent, with- 
out glands; leaves trifoliate, oblong-lance- 
olate ; spikes oblong ; bracts broad, lance- 
olate, long-acuminate, and with the calyx 
villo.se. S. 
muUiju'ga. (p. J.) stem branching ; leaves 
pinnate ; leafets numerous (9-10 pairs) 
lance-oblong, obtuse, pubescent; spikes 
oblong ; bracts small, membranaceou.s, 
glandless. 1-2 f, S. 
PSYCHO'TRIA 5-1. {KtMacta.) [From 
