PARNA S SIA—PENTHORUM. 123 
laciniate, roundish, somewhat entire ; receptacles scattered, margin incurv¬ 
ed. entire, at length pulverulent. On old timber, &c. 
i 
FARNASSIA. 5 — 4. ( Saxifragce .) [From Mount Parnassus, the seat of the Muses.] 
americaJ na , (flowering plantain, w. y. p. Ju. Q|.) leaves radical, (often a leaf 
on the scape,) heart-orbicular, 5-9-nerved ; nectaries 5, each divided into 
3 filaments terminated by little spherical heads. Damp or wet. 6-18 i. 
pains"Iris, leaves all cordate, cauline ones sessile; scale smooth, many- 
bristled ; flowers white, with veins of green or purple. Bog meadows. 
PASSIFLORA. 15 — 5. ( Cucurbitaeece .) [The term flos p'assionis, or passion-flower, was F 
before the time of Linnaeus, applied to this beautiful genus, because the instruments of 
Christ’s passion were thought to be represented by the parts oi' the flower.] 
cccru'lea , (blue passion-flower, b. Ju. 12 .) leaves palmate, 5-parted, entire; pe¬ 
tioles glandular; involucrum 5-leaved, entire; threads of the croXvn shorter 
than the corolla. Ex. 
lule'a , (yellow passion-flower, y. S. flj-.) leaves cordate, 3-lobed, obtuse, nearly 
smooth ; petioles without glands ; peduncles axillary, in pairs; petals much 
longer than the calyx ; stem climbing and slender. Banks of streams. 
incarna'ta , (w. p. Sept. %) leaves smooth ; petioles with 2 glands ; involu¬ 
crum 3-leaved ; leafets lanceolate, glandular-serrate; stem long, climbing; 
petals white; nectary purple, longer than the corolla; fruit sub-acid and 
spongy, eatable. 
ala'ta , (winged passion-flower, Oct. Ty) leaves oblong-ovate, - sub-cordate,, 
entire, veiny; petioles with 4 glands; stipules lance-falcate; stem 4-cor- 
nered. Ex. 
FASTI N AC A. 5—2. ( Umbellifercb .) [From pasco, to feed.] 
sati'va, ( parsnip, y. Au. Jf) leaves simply pinnate ; leafets glabrous. Var, 
arv'ensis , leafets sub-pubescent. This variety is often found in situations 
which almost prove it to be indigenous. 
PEDICULARIS. 13—2. {Pediculares.) [From pediculus, a louse.] 
canaden"sis , (louse-wort, y-p. M. flj-.) stem simple; leaves pinnatifid, gash- 
toothed ; heads leafy at the base, hirsute ; corolla with a setaceous, 2-tooth¬ 
ed upper lip; calyx obliquely truncate. 6 r 12 i. 
PELARGONIUM. 15—7. ( Gerania .) [From pelargos, a stork, on account of the shape of the 
pericarp, which resembles a stork’s bill.] 
A. Nearly stemless ; roots tuberous . 
tri$"te , (mourning geranium.) umbel simple; leaves rough-haired, pinnate; 
leafets bi-pinnatifid ; divisions oblong-acute ; flowers dark green. 
daucifo'lium , (carrot geranium, fl|-.) scape very simple; leaves thrice pinnate^ 
hirsute; leafets lance-linear. 
B. Leaves simple, not angled. 
odoratis"simum , (sweet-scented geranium, Ty) peduncles sub-5-flowered; 
leaves round-cordate, very soft. 
C. Leaves simple , more or less angled , or lobed. 
zona'le , (horse-shoe geranium, by) umbels many-flowered; leaves heart-orbi¬ 
cular, obsoletely lobed, toothed, with a coloured zone around or near the 
margin. 
in"quinans, (scarlet geranium, Ty) umbels many-flowered; leaves round-ren- 
iform, hardly divided, crenate, viscid-downy. 
acerifo'lium , (lemon or maple-leaf geranium, Ty) umbels about 5-flowered; 
leaves 5-lobe-palmate, serrate; below wedge-form, undivided. 
capita'luni , (rose-scented geranium, ly) flowers capitate; leaves cordate, 
lobed, waved, soft; stem diffuse. 
quercifo'liiim , (oak-leaf geranium, Ty) umbels sub-many flowered ; leaves cor¬ 
date, pinnatifid, crenate; sinuses rounded ; filaments ascending at the apex. 
grave'olens, (sweet-rose geranium, ly) umbels many-flowered, sub-capitate; 
leaves palmate, 7-lobed ; divisions oblong, obtuse; margins revolute. 
PENTHORUM. 10—5. (Semper viva.) 
sedoi'dcs. (Virginian orpine, g-y. Ju. fl{-.) stem branching, angled; leaves 
lanceolate, sub-sessile, unequally and densely serrate; spikes secund, ter¬ 
minal, panicled, alternate and cymed ; seeds pitted. 12-18 i. S. 
