PH YT 0 L ACC A— P INU8. 
447 
alkekcnf'gi, (winter-clierry,) leaves in 
pairs, entire, acute, sub-ramose below. Ex. 
lanceola'ta, (y. J. 2^.) erect, densely pu- 
bescent ; leaves mostly in pairs, oval-lance- 
olate, entire, narrowed at the base into a 
petiole: Hower 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, revolute at the 
margin ; stem herbaceous, branching ; ped- 
uncles solitary. 
piibes"cea>i, (y. Ju. 0.) leaves villose, vis 
! terminal, scarcely longer fliaa the leaves. 
The bark is used in tanning leather. 
balsa'mea, (American silver-fir, balsam 
fir, M. ^.) leaves solitary, flat, glaucous be. 
I neath, somewhat pectinate at the summit; 
strobile cylindrical, erect. 40-50 f. 
I frase'ri, (J. ^ .) leaves short, emarginf»te, 
Bubsecund, erect above; cones ovat<^-ob- 
long ; bracts elongated, incisely denticu- 
late. 
j toxifo'lia, ( 1? .) leaves solitary, flat, sub- 
distichus ; cones oblong ; anthers didymous. 
I ni'p^ra, (M. ^p.) leaves solitary, 4-angled, 
eous, slightly cordate ; stem much branch- j scattered on all sides, erect, straight ; conea 
ed; flowers solitary, pendulous; fruit bear- 
ing calyx nearly globose, slightly angled. <S. 
somtdj^ra, (y. Ju. 2^.) tomentose ; leaves 
ovate, very entire ; flowers crowded, short- 
pedicelled ; corolla bell-form. S. 
ival 'teri, (11.) pulverulent, sub-tomentose, 
very branching, dichotomous ; leaves in 
pairs, broad-ovate, obtuse, long-petioled, 
entire ; peduncles solitary, nodding; calyx 
fructiferous, somewhat glabrous. S. C. 
angustifo'lia, [11.) very glabrous, pros- 
trate, dwarfish; leaves very long, linear, 
fleshy, solitary ; peduncles nodding, filiform, 
solitary. West Floriila. 
PHYTOLACCA. 10—10. (AtripHces.) [From 
phuton, a plant, and takka, gurn-lac, on ac- 
count of the color of its fruit.] 
decan"dra, (poke- weed. w. Ju. leaves 
>vate, acute»at both ends ; flowers raceraed ; 
berries flattened at the ends. 3-6 f. 
PICKERIN"GA. 5—1. (Ericcs.) 
panicula'ta, (^.) evergreen; leaves en- 
tire, alternate, wedge-oblong, obtuse; flow- 
ers panicled. jS?. 
PINCKNEY'A. 5—1. (Ruh^f"'- "^Tn honor 
of Gen. 0. C. Pinckney, oi " " 
pu'bens, (p. J. ^).) leaves opposite, lance- 
olate, entire, thinly pilose and shining 
above; tomentose below, sub- acuminate ; 
calyx superior, persistent, colored. 15-20 
f. S. 
PLNGUIC'IILA. 2—1. (Scrophitlariee.) [From 
pinguis, fat, so called becauso its leaves are 
e^reasy to the touch.] 
vvlga'ris, (butter-wort, M. 11-) 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 corf»lla 5-cleft ; spur 
subulate, a little shorter than the tube. 6-8 
i. Flowers yellow. S. 
pu mila, (b. Ap. 11.) border of the co- 
olla 5-cleft ; segments emarginate ; lobes 
entire ; spur subulate, a little obtuse, as 
ong as the tube. 3-5 i. S. 
acutifo'lia, (Ju. 2^.) very glabrous ; leaves 
e/ect, oval, very acute. S. 
austra lis, (r.) glabrous ; nectary veiy 
9hort, incurved ; flowers rather large. West 
Florida 
ovate, scales elliptic, undulate along the 
margin, the summit denticulate. 
al"ba, (M. ^ leaves 4-sided, incurved ; 
strobiles sub-cylindric, lax ; scales obovate, 
entire. 
ru'bra, (M. ^ .) 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 
straight. 
ia"ops, (M. ^ .) leaves short, strobile re 
curved, oblong-conic, as long as the leaves 
spines of the scales subulate, s^traight. 
banksia'na, (scrub-pine, M. ^.) 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 veiy common, it grows most plen- 
tifully on barren, sandy plains. 
varia'bilis, (yellow-pine, M. ^.) leaves 
elongated, in pairs and threes, channefled ; 
strobile ovate-conic, mostly solitary; spines 
of the scales incurved. 
[Leaves in Jives.] 
stro'bns, (white-pine, M. ^.) leaves in 
fives, slender ; sheaths very short ; strobile 
pendulous, cylindrical, longer than the 
leaves ; scales loose. Timber soft-fine- 
grained and light. Extensively used. 
Sometimes 140 f. 
C. leaves many, in a fascicle. 
pen"iida, (black larch, tamarack, hack 
matack, M. 1? .) leaves deciduous ; strobUes 
oblong ; margins of the scale inflexed ; 
bract guitar-form, with a slender point. 
Jiex"His, leaves in fives, short, and rather 
p iq—t; rigid; sheaths short and lacerate; strobile 
flINUS>. IJ 15. erect; scales large, unarmed; branches 
Leaves solitary, with separate bases. very flexible. 
ean,aden"sis, (hemlock-tree, M. ^ .) leaves i la'rix, (common larch, i? .) leaves decidij 
flat, denticulate, 2-ranked ; strobiles ovate, | ous ; strobiles ovate-oblong ; margins of tha 
19 
