80 GERANIUM FAMILY. 



§ I. Leaves peltate and fleshy, the 5 lobes entire : stems tmiling. 

 P. pelt^tum, Ivy-leaved P. Generally smooth, the leaf lixed towards 

 the middle, with or without a darkish zone ; flowers pink or varying to white. 



§ 2. Leaves round and crenate, very obscurely manu-lobed and with a deep narrow 



sinus : petals all of one color {scarlet, pink, or varying to white), the two 



upper a little nan-ower than the others : stems erect, shrubby and succuleui. 



The two species greatly mixed. 



P. zonale, Hokse-shoe P. So called from the dark horse-shoe mark or 



zone, which however is not always present ; smoothish ; petals narrowiph. 



P. inquinans, Staining or Scarlet P. In the unmixed state is soft- 

 downy and clammy, the leaves without the zone ; petals broadly obovatc, origi- 

 nally intense scarlet. 



§ 3. Leaves rounded, moderately if at all lobed: branches scarcely succulent: pet- 

 als never scarlet, the two upper more or less larger than the three lower. 



* Leaves sweet-scented, velvety or soft-downy : flowers small : stems or branches 



herbaceous or half herbaceous, spreading or straggling. 



P. capit&tum, Rose-scented P. Softly hairy, with the rose-scented 

 leaves moderately lobed, the lobes short and broad ; peduncle bearing many 

 sessile flowers in a head ; petals rose-purple, barely ^' long. 



P. tomentdsum, Peppermint P. Densely soft-hairy ; branches long 

 and thickish ; leaves rather large, round-heart-shaped and with 5-7 open lobes, 

 velvety-hairy both sides ; flowers on long pedicels in panicled umbels, insignitt- 

 cant ; petals white, the 3 lower a little longer than the calyx. 



P. odoratissimum, Nutjieo-soented P. Branches slender and strag- 

 gling, from a very short scaly stem or base ; leaves rounded and crenate, soft- 

 velvety, small ; flowers on short pedicels, very small ; petals white, scarcely 

 exceeding the calyx. 



* * Leaves not sweet-scented: flowers large, pink, purple, white, Sj-c, the two 



upper petals longer and broader than the three lower and streaked or spatted : 

 shrubby and erect. (All much mixed.) 

 P. cucuU^tum, Cowled P. Soft-hairy, the rounded kidney-shaped leaves 

 cupped, soft-downy. 



P. cord^tum. Heart-leaved P. Like the last or less hairy, with flat 

 ovate-heart-shaped leaves. 



P. angul6sum, Maple-leaved P. Harsher-hairy ; the leaves rigid, in- 

 clined to be lobed, truncate or even wedge-shaped at the base (scarcely ever 

 heart-shaped), sharply toothed. 



§ 4. Leaves decidedly lobed or cut, in some species compound or decompound, 

 * Smooth and pale or glaucous, rounded, palmately 5 - 1 -cleft. 

 P. grandiflbrum, Great-flowered P. Shrubby ; peduncles bearing 

 about 3 large flowers, with white petals 1^' long, the two upper larger and ele- 

 gantly veined or variegated with pmk or rose-color. 



» * Silky-hoary, pinnately veined and somewhat pinnatifld. 



P. tricolor, Three-colored P. Low, rather shrubby ; the long-petioled 

 small leaves lance-oblong ; peduncles bearing 2 or 3 showy flowers ; the three 

 lower petals white, the two upper crimson, with a dark spot at their base, and 

 rather smaller, ^' long : not common. 



» » * Sqft-hoary or velvety, palmately 3-parted, small: no obvious stipules. 



P. exstipul^tum, Penny-Royal P. Low, rather shrubby ; leaves with 

 the sweet scent of Penny-Royal or Bergamot, ^' wide, the lobes wedge-shaped 

 and cut-toothed ; flowers small and insignificant, white. 



* » » » Hairy, roughish, or downy: leaves more or less pinnatifld or pinnately 



compound or the main lobes or divisions pinnatifld, balsamic or strong- 

 scented : stipules present. 



P. Ciuercif61ium, Oak-leaved P. Shrubby, hairy and glandular ; 

 leaves deeply sinuate-pinnatifid, with wavy-toothed blunt lobes (the lowest 



