130 
PTERO^PORA-PYRUa 
FTEROSPORA. 12 — 1. (Erica}.) [From pta'on, a wing, spora, seed.} 
androm"eda, (Albany beech-drops, r-y. Ju. ©.) scape purple, very tall, hear- 
ing a many-flowered raceme ; flowers lateral and terminal, nodding ; pe- 
duncles flliform, longer than the flowers j lanceolate scales below, none 
above. 1-2 f. 
PULMONARIA. 5—1. iBoraginem.} [From ^>wZrrto, th« lung, so ealled on account of its elft 
cacy in diseases of the lungs.] 
virgin"ica, (b. M. J. %.) smooth ; stem erect ; radical leaves obovate, oblong^ 
obtuse leaves of the stem narrower ; flowers in terminal racemes or fasci- 
cles ; calyx much shorter than the tube of the corolla ; segments lanceolate^ 
acute ; leaves somewhat glaucous j flowers large, bright blue. Plant be- 
comes black by drying. 
officina'lis, (spotted lung- wort,, b. M. 'Zj..) leaves ovate, hairy, generally speck- 
led with white on the upper side; the lower leaves on long petioles, the 
upper ones sessile; flowers violet-blue. 12 i. Ex, 
PUNICA. 11—1. (Rosacecz.) [From p^(n^■cMs, Carthaginian.] 
^m?ia/ta, (pomegranate, leaves lanceolate; stem woody. Ex. 
FYCNANTHEMUM. 13—1. (Labiates.} [From ^)i4A.-wo^, dense, ayj^Aos, flower, on accouat of 
its crowded inflorescence.] 
A. Stamens exsert. 
in"canum, (wild basil, mountain mint, w. r. Ju. Ql.). leaves oblong-ovate, acute, 
sub-serrate, white-downy ; flowers in compound heads, lateral ones pedun- 
cled ; bracts setaceous. 1-5 f. 
0/rista'tum, (w. Au. %.') leaves lance-ovate, sub-serrate, on very short petioles,, 
whitish ; heads sessile ; bracts awned ; flowers very small, in one or tM'o- 
sessile whorls and a terminal head ; bracts and calyx terminated by long 
awns, 
liniffl'lium, (Virginian thyme, w,Ju. Q^.) stem straight, much branched, some- 
what scabrous; leaves linear, 3-nerved, very entire, smooth; heads termi- 
nal, in a fasciculate eorymb,, stem 12-18 inches high, with trichotomous, fas- 
tigiate branches; flowers minute, shorter within. Woods. 
B. Stamens included. 
verticilla'tuvi, (w. Au. leaves lance-ovate, sometimes toothed; whorls ses- 
sile, compact ; bracts acuminate. 2f. Mountains, 
lanceola' turn, leaves linear-lanceolate, entire, veined ;. heads terminally ses- 
sile, in fascicled corymbs, 
FYROLA. 10—1. (Ericcb.) [Frompyrus, a pear, so called on account of the shape of the leaf. J 
fotundifo'lia, (shin-leaf, pear-leaf wintergreen, w, J. %.) style declined ; leaves 
rounded, or broad-oval, obsoletely serrulate, sub-coriaceous, shining; petiole 
about as long as the lamina; scape many-flowered. 6-12 i, 
ellip"tica, (g-w. Ju. %.) leaves membranaceous, elliptical-ovate^ serrulate, ra- 
ther acute, lamina longer than the petiole ; scape nearly naked ; bracts sub- 
ulate ; calyx 5-toothed ; style declined ; scape 10 i. 
asarifo'lia., (g-w. Ju. leaves reniform, coriaceous, half as long as the dila- 
ted petiole ; raceme many-flowered ; stigma clavate ; the disk elongated and 
5-lobed. Dry woods. 
secun^da, (one-sided wintergreen, g-w, Ju. %.) stamens erect; style straight | 
leaves ovate, acute ; secund. 2-3 i. Sandy woods. 
uni/lo'ra, (J. %.) fiov/er solitary; leaves orbicular, serrate; stigma acute j 
style straight, 5-toothed ; flower terminal, large, white, fragrant, nodding. 
Chiefly in northern latitudes; rare, 
PYRUS. 11—5. (Rosacea>.) [Origin of the name doubtful.] 
corona'ria, (crab-apple, w. r. M. l^.) leaves broad-oval, at the base rounded, 
sub-angled or sub-lobed, serrate, smooth ; peduncles corymbed. Flowers 
sweet-scented. 
■commu'nis, (pear, w, r. M. l^.) leaves ovate, serrate, (rarely entire;) peduncles 
corymbed, Ex. 
ma'lus, (apple, w. r, M. T7.) flowers in sessile umbels; leaves ovate-oblong, 
acuminate, serrate, glabrous ; claws of the petals shorter than the calyx; 
styles glabrous. Var. sylvestris, (wild-apple,) leaves oyate, serrate; fruil 
