PHYTOLACCA— PINUS. 
141 
anceJcc7i"gi, (winter-cberry,) leaves in 
pairs, entire, acute, sub-ramose below. Ex. 
lancenla'ta, (y. J. IX) erect, densely pu- 
bescent; leaves mostly in pairs, oval-lance- 
olate, entire, narrowed at the base into a 
petiole ; flower solitary, nodding ; calyx 
villose. 1-2 f. 
loba'ta, (g.) leaves oblong, somewhat 
fleshy, lyrate-lobed. narrowed into the pe- 
tiole at the base, glabrous, revoiute at the 
margin ; stem herbaceous, branching ; ped- 
uncles solitary. 
'pu.bes"ceiis, (y. .Tu. @.) leaves villose, vis- 
cous, slightly cordate ; stem much branch- 
ed; flowers solitary, pendulous ; fruit bear- 
ing calyx nearly globose, slightly angled. S. 
somnifefra, (y. Ju. ZJ[.) tomentose ; leaves 
ovate, very entire ; flowers crowded, short- 
pedicelied ; corolla bell-form. S. 
tval'teri, (2^.) pulverulent, sub-tomentose, 
very branching, dichotomous ; leaves in 
pairs, broad-ovate, obtuse, long-petioled, 
entire; peduncles solitary, nodding ; calyx 
fructiferous, somewhat glabrous. S. C. 
angnstifo'lia, (2i-) very glabrous, pros- 
trate, dwarfish ; leaves very long, linear, 
fleshy, solitary ; peduncles nodding, filiform, 
solitary. West Florida. 
PHYTOLACCA. 10—10. (Atriplices.) [From 
phutoTiy a plant, and lakka, gurn-iac, on ac- 
count of the color of its fruit.] 
decan"dra, (poke-weed. w. Ju. 14..) leaves 
ovate, acute at both ends ; flowers racemed ; 
berries flattened at the ends. 3-6 f. 
P1CKER[N"GA. 5—1. (Encm.) 
paaicula'ta, ( Ip .) evergreen ; leaves en- 
tire, alternate, wedge-oblong, obtuse ; flow- 
ers panicled. S. 
PiNCKNEY'A. 5—1. (Rubiacem.) [In honor 
of Gen. C. C. Pinckney, of S. C] 
pu'bens, (p. J. ^.) leaves opposite, lance- 
olate, entire, thinly pilose artd shining 
above ; tomentose below, sub acuminate ; 
calyx superior, persistent, colored. 15-20 
f. 
PINGUIC'IILA.. 2—1. (ScrophalaricE.) [From 
pinguis, fat, so called becausn its leaves are 
greasy to the touch.] 
vvlga'ris, (butler- wort, M. 24!.) spur cy- 
lindrical, acute, as long as the veinless 
petal ; upper lip 2-lobed, lower one in 3 
obtuse segments; leaves radical, spatulate. 
ovate, fleshy ; flowers solitary, nodding ; 
tube of the corolla villose, purple. Wet 
rocks. Rochester, N.Y, Canada. 
lute'a, border of the corolla 5-cleft ; spur 
subulate, a little shorter than the tube. 6-8 
i. Flowers yellow. S. 
pn'mila, (b. Ap. 2^.) border of the co- 
rolla 5-cleft; segments emarginate ; lobes 
entire ; spur subulate, a little obtuse, as 
long as the tube. 3-5 i. S. 
acutifo'lia, (Ju. 11. ) very glabrous ; leaves 
erect, oval, very acute. S. 
austra'lis, (v.) glabrous ; nectary very 
short, incurved ; flowers rather large. West 
Florida. 
PI'NUS. 19—15. 
A. Leaves solitary, with separate bases. 
canacLen"sis, (hemlock-tree, M. 1?.) leaves 
flat, denticulate, 2-ranked ; strobiles ovate, 
' terminal, scarcely longer than the leaves. 
The bark is u.sed in tanning leather. 
1 balsa'mea, (American silver-fir, balsam- 
fir, M. Ip .) leaves solitary, flat, glaucous be- 
neath, somewhat pectinate at the summit; 
. strobile cylindrical, erect. 40-50 f. 
j frase'n, (J. ^ .) leaves short, emarginpte, 
subsecund, erect above ; cones ovat'^-ob- 
long ; bracts elongated, incisely denticu- 
late. 
tnxifo'lia, ( ^ .) leaves solitary, flat, sub- 
distichus ; cones oblong ; anthers didymous. 
ni'gra, (M. Ip .) leaves solitary, 4-angled, 
scattered on all sides, erect, straight ; cones 
ovate, scales elliptic, undulate along the 
margin, the summit denticulate. 
aV'ba, (M. Ip.) leaves 4-sided, incurved; 
strobiles sub-cylindric, lax ; scales obQvate, 
entire. 
ru'bra, (M. Tp .) leaves solitary, subulate ; 
strobiles oblong, obtuse ; scales rounded, 
somewhat 2-lobed, entire on the margin. 
B. Leaves many, sheathed at the base. 
[Leaves in pairs.] 
resino'sa, (yellow-pine, Norway-pine, 
red pine, M. leaves and sheath elon- 
gated ; strobiles ovate-conic, rounded at 
the base, sub-solitary, about half as long as 
the leaves ; scales dilated in the middle, 
unarmed. Bark of a reddish color, and 
much smoother than the pitch-pine, or 
white-pine. Often grows very tall and 
straiiiht. 
iri"ops, (M. 1p .) leaves short, strobile re- 
curved, oblong-conic, as long as the leaves 
spines of the scales subulate, straight. 
banksia'na, (scrub-pine, M. Ip.) leaves 
short, in pairs, rigid, divaricate, oblique ; 
strobiles recurved, twisted ; scales un- 
armed. Rocky grounds. 
[Leaves in threes.] 
rig''ida, (pitch-pine, M. ^ .) leaves with 
abbreviated sheaths ; staminate aments 
erect-incumbent ; strobiles ovate, scattered 
or aggregated ; spines of the scale reflexed. 
Though very common, it grows most plen- 
tifully on barren, sandy plains. 
vana'bilis, (yellow-pine, M. Ip.) leaves 
elongated, in pairs and threes, channelled ; 
strobile ovate-conic, mostly solitary ; spines 
of the scales incurved. 
[Leaves in f ves.] 
stro'bus, (white-pine, M. leaves in 
fives, vslender ; sheaths very short ; strobile 
pendulous, cylindrical, longer than th(> 
leaves ; scales loose. Timber soft-fine- 
grained and light. Extensively used. 
Sometimes 140 f. 
C. Leaves many, in a fascicle. 
pen"dula, (black larch, tamarack, hack- 
matack, M. .) leaves deciduous ; strobiles 
oblong; margins of the scale inflexed; 
bract guitar-form, with a slender point. 
Jiex"ilis, leaves in fives, short, and rather 
rigid ; sheaths short and lacerate ; strobile 
erect; scales large, unarmed; branches 
very flexible. 
la'rix, (common larch, ^.) leaves decidu- 
ous ; stroljiles ovate-oblong ; margins of tha 
