PYROi^A— atJERCUS. 
457 
terminal ; bracts lanceolate, acutish. 18- 
24 i. 
PYRO'LA. 10— 1. (Ericm.) [Fr.^ni pijms, a 
pear, so called on account of tiie shape of 
the lea'' 1 
rotundifo'Ua, (shin-leaf, pear-leaf winter- 
fifreen, w. J. 2/.) style declined; leaves 
fonnded, or broad-oval, obsoletely serrulate, 
Bub-coriaceous, shining; petiole about as 
long as the lamina ; scape many-flowered. 
6-12 i. 
ellip"tica, (g-w. Ju. 2|.) leaves membran- 
aceous, elliptical-ovate, serrulate, rather 
acute, lamina longer than the petiole ; scape 
nearly naked; bracts subulate; calyx 5- 
ioothed ; style declined ; scape 10 i. 
asarifo'lia, (g-w. Ju. 2X-) leaves reuiform, 
coriaceous, half as long as the dilated 
petiole ; raceme many-flowered ; stigma 
clavate ; the disk elongated and 5-lobed. 
Diy woods. 
secu)i"da, (one-sided wintergreen, g-w. 
Ju. 2^.) stamens erect; style straight; 
leaves ovate, acute ; secund. 2-3 i. Sandy 
woods. 
uniflo'ra, (J. 2^.) flower solitary ; leaves 
orbicular, serrate ; stigma acute ; style 
straight, 5-toothed ; flower terminal, large, 
white, fragrant, nodding. Chiefly in nor- 
thern latitudes ; rare. 
aphyV'la, style declined ; scape and stalk 
leafless, scaly ; scales lanceolate, membran- j 
aceous; scape angular. j 
mi'nor, (w-r. Ju. 2i.) style straight; leaves : 
round oval, serrulate ; scape sub naked ; j 
spike with flowers reversed. 
PY'RUS. 11—5. (Rosacea.) [Origin of the 
name doubtful.] 
corona'ria, {cvih-a.pp\e,w-v. M. leaves 
broad-oval, at the ba.se rounded, sub angled 
or sub lobed, serrate, smooth; peduncles 
coiymbed. Flowers sweet scented. 
comrmi'ms. (pear, w. r. M. Ip.) leaves 
ovate, serrate, (rarely entire) ; peduncles 
corymbed. Ex. 
ma'lus, (apple, w. r. M.^.) flowers in 
se.s.sile umbels ; leaves ovate-obloug, acu- 
minate, serrate, glabrous ; claws of the 
petals shorter than the calyx ; styles glab- 
rous. Var. s^'foe.s '^Ws, (wild apple,) leaves 
ovate, serrate ; fruit small, rough to the 
taste. The various kinds of apples are but 
varieties of the same species. 
cydo'nia, (quince, w. J. $ .) flowers soli- 
tary ; fruit tomentose ; leaves ovate, entire 
Ex. 
angustifo'lia, (M. ^ .) leaves lance oblong, 
U the base acute, slightly crenate toothed, 
ghining; peduncles corymbed. Fruit very 
Bmall. Florida. 
pninif(/lia, (Siberian crab, w. r, M. 1p .) 
ambels sessile; pedicels pubescent; styles 
woolly at the base ; leaves ovate, acumi- 
nate. 12-15 f 
spectah"ilis, (Chinese crab or garland 
flowering wild apple,) produces very showy 
flowers in May. Q.uite hardy. Ex. 
cwona'ria, /.sweet-scented crab,) large 
und beautiful pmk blossoms, very fragrant. 
Ex. 
n»tracan"ica, fmoscow or transparent i 
crab,) fruit very large, wax-colored, almost 
transparent when ripe. Ex. 
salvifo'Iia, (w.) leaves woolly. Ex. 
amyg"(lal(Efoi-"7nis, leaves silvery-white , 
fruit shaped Uke that of the almond. Ex. 
jloribun" da, grows about four feet high, 
and sends down weeping branches, which 
are covered with a profusion of white flow- 
ers. Ex. 
QUER"CUS. 19—12. (Amentacem.) [From 
quero, to inquire, because ilie Druids ^ave 
tlieir divinations from this tree.] 
1. Fructification biennial ; leaves seta- 
ciondy mucronate. 
Leaves entire. 
pheU'los, (willow oak, M. ^.) leaves decid 
nous, linear-lanceolate, tapering at each 
end, very entire, glabrous, mucronate ; 
acorn roundish. Var. hiimiV'is, low and 
straggling ; leaves shorter. 30-60 f. 
irnbnca'ria, (shingle-oak. M. Ip.) leaves 
deciduous, oblong, acute at each end, mu- 
cronate, very entire, shining-pubescent be- 
neath ; cup shallow ; scales broad-ovate ; 
acorn sub globose. 40-50 f. 
2. Leaves dentate or lobed. 
trilo'ba, (downy black-oak, M. ^ .) leaves 
oblong-cuneiform, acute at the base, sab-S- 
lobed at the apex ; lobes equal and mucro- 
nate, tomentose beneath ; cup flat ; acorn 
depressed-globose. 
aquaf'ica, (water-oak, M. ^.) leaves obo 
vate, cuneiform, glabrous, very entire ; fipex 
obscurely 3 lobed, middle lobe longest ; cip 
hemispheric ; acorn sub globose ; leaves 
very variable. 30-40 f. 
ni'grn, (barren oak. blackjack, M. ^.) 
leaves coriaceous, cuneiform, sub-cordate at 
the base, dilated, and retusely 3-lobed at the 
apex ; when young, mucronate, glabrous 
above, rusty and pulverulent beneath ; cup 
turbinate ; scales obtuse and scaiious 
acorn short, ovate. Small. 
cates'''baei, (bairen scrub-oak, M. fp.j 
leaves short petioled, cuneate at the base 
oblong, deeply sinuate, glabrous; lobes 
3-5, divaricate, dentate, acute ; cup turbi 
nate, large ; scales obtuse, marginal ones 
inflexed ; acorn ovate. 15 — 30 f. Barh 
used by tanners. 
palu.'i"tris, (pin-oak, M. Ip.) leaves long 
petioled, oblong, deeply sinuate, glabrous 
axils of the veins villose beneath ; lobes di 
varicate, dentate, acute ; cup flat, smooth 
acorn sub-globose. 
iiacto'ria. (black-oak, M. .eaves obo 
vate oblong, slightly sinuate, pubescent be 
neath; lobes oblong, obtuse, obscurely 
toothed, mucronate ; cup flat ; acorn de 
pressed, globose; bark dark colored. 
banniste'ri, (scrub-oak,) leaves on long 
petioles, wedge-obovate, 3-5 lobed, entire 
on the margin, grayish-tomentose beneath 
lobes setaceously mucronate ; cup sub-tur 
binate ; acorn sub-globose. Dry hiUs am 
barrens. 4 6 f . 
ru'bra, (red-oak,) leaves large, brigh 
gi'een ; sinuses rounded; cup of the corolla 
shallow, base flat. 
coccin"ea, (scarlet-oak, ) 'listinguisTied bv 
