PARNASSIA-PENTHORUM. 123 



laciniate, roundish, somewhat entire ; receptacles scattered, margin mcurv 

 ed, entire, at length pulverulent. On old timber, &c. 

 PARNASSIA. 5—4. (Saxifraga.) [From Mount Parnassus, the seat of the Muses.] 



america'-na, (flowering plantain, w. y. p. Ju. %.) leaves radical, (often a lea! 

 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. 



palus"lris, leaves all cordate , cauline ones sessile ; scale smooth, many- 

 bristled ; flowers white, with veins of green or purple. Bog meadows. 



I'ASSIFLOUA. 15— .5. (CiicurbitaceiS:) [The term Jios passionis, or passion-flower, was, 

 before the time of Linnsus, applied to this beautiful genus, because the instruments ol 

 Christ's passion were thought to be represented by the parts of the flower.] 



cmru'lca, (blue passion-flower, b. Ju. I7.) leaves palmate, 5-parted, entire; pe 

 tioles glandular ; involucrum 5-leaved, entire ; threads of the crown shorter 

 than the corolla. Ex. 



iuie'a, (yellow passion-flower, y. S. %..) 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. 



incar7ia'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-ac'-' ---ad 

 spongy, eatable. 



ala'ta, (winged passion-flower, Oct. Tz.) leaves oblong-ovate, sub-cordate, 

 entire, veiny; petioles with 4 glands; stipules lance-falcate; stem 4-cor- 

 nered. Ex. 



PASTINACA. 5—2. {Umbelliferm.) [From pasco, to feed.] 

 sati'va, (parsnip, y. Au. J*.) leaves simply pinnate ; leafets glabrous. Var. 

 arvcnds. leafets sub-pubescent. This variety is often found in situatioas 

 which almost prove it to be indigenous. 

 PEDICULARIS. 13—2. {Pedicular es.^ [From;:>ed!C«/Ms, a louse.] 

 canade7L"sis, (louse-wort, y-p. M. %.) stem simple ; leaves pinnatifid, gash- 

 toothed ; heads leafy at the base, hirsute ; corolla with a setaceous, 2-tooth« 

 ed upper lip; calyx obliquely truncate. 6-12 i. 



PELARGONIUM. 15—7. (Gerania.) [From;)etarg-os, a stork, on account of the shape of the 

 pericarp, which resembles a storli's bill.] 



A. Nearly stemless ; roots tuberous. 



tris"te, (mourning geranium,) umbel simple ; leaves rough-haired, pinnate ; 

 leafets bi-pinnatifid ; divisions oblong-acute ; flowers dark green. 



daucifo'lium, (.arrot geranium, %.) scape very simple; leaves thrice pinnate, 

 hirsQte; leafe.s lance-linear. 



B. Leaves simple, not angled. 



odoratis"simim, (sweet-scented geranium, Vi.) peduncles sub-5-flowered ; 

 leaves round-cordate, very soft. 



C. Leaves simple, more or less angled, or lobed, 



zona'le, (horse-shoe geranium, Vi) umbels many-flowered; leaves heart-orbi- 

 cular, obsoletely lobed, toothed, with a coloured zone around or near the 

 margin. 



in"qui7ians, (s&irlet geranium, T2.) umbels many-flowered ; leaves round-ren- 

 iform, hardly divided, crenate, viscid-downy." 



acerifo'lium, (lemon or maple-leaf geranium, T^-) umbels about 5-flowered, 

 leaves 5-lobe-palmate, serrate; below wedge-form, undivided. 



capita'tv.m, (rose-scented geranium, T2-) flowers capitate ; leaves cordate, 

 lobed, waved, roft ; stem diff'use. 



quercifo'liuvi, (oa.i-leaf geranium, li.) umbels sub-many-flowered ; leaves cor- 

 date, pinnatifid, crenate ; sinuses rounded ; filaments ascending at the apex. 



grave' olens, (sweet-rose geranium, I7.) umbels many-flowered, sub-capitate^ 

 leaves palmate, Mobed ; divisions oblong, obtuse ; margins revolute. 

 PENTHORUM. iO— 5. { SempsTvivm.) 



sedoi'des, (Virginian orpine, g-y. Ju. %.) stem branching, angled ; leaves 

 lanceolate, sub-sessile, unequally and densely serrate ; spikes secund, tejft- 

 minal, panicled, alternate and cymed ; seeds pitted. 12-18 i. S, 



