164 
XXXI. ROSACEA 
toothed ; stipules adnate to the base of the leafstalk. Flowers 
usually yellow, sometimes white, red or purple, in corymbose 
cymes, rarely axillary and solitary. Calyx persistent ; tube 
shallow, bowl-shaped, bearing on its outer margin 5 bracteoles 
alternate with the 5 lobes of the limb. Petals 5, usually obcordate, 
sometimes obovate or narrowly oblong. Stamens numerous, 
rarely 5-10. Carpels numerous, very small, distinct, superior, 
crowded on a small, dry receptacle ; styles lateral, short, per- 
sistent ; stigma minute ; ovule solitary. Fruit a head of numer- 
ous, hard, glabrous (except P. fruticosa ) achenes, covered by the 
indexed calyx -lobes. 
In using the following key regard must be had to the basal leaves ; the 
upper leaves in Nos. 3, 5 and 10 often have only three leaflets, and might be 
mistaken for digitately compound leaves. 
A. Leaves digitately compound. 
Leaflets 3. 
Flowers yellow. 
FJowers f in. or less diam. 
Stamens 5 -10 ...... 
Stamens numerous ..... 
Flowers f-1 in. diam. ..... 
Flowers dark crimson ..... 
Leaflets 5. 
Flowers dark crimson, f-1 in. diam. 
Flowers yellow, f in. diam. .... 
1. P. Sibbaldi. 
9. P. Kleiriana.* 
7. P. argyrophylla. 
8. P. atrosanguinea. 
6. P. nepalensis. 
9. P. Kleiniana.* 
B. Leaves pinnately compound. 
Stamens 5. Flowers yellow, \ in. diam. . . . 2. P. albifolia. 
Stamens numerous. 
Leaflets entire. A shrub . . . . 3. P. fruticosa. 
Leaflets toothed. Herbs. 
Leaflets numerous, pairs alternately large and 
small . . . . . . .4. P.fulgens. 
Leaflets 3-9, pairs not alternately large and 
small. 
Petals twice as long as the calyx . . 5. P. fragarioides. 
Petals shorter than the calyx . . .10. P. supina. 
1 . Potentilla Sibbaldi, Haller ; FI. Br. Ind. ii. 345. A peren- 
nial herb, covered with long, silky hairs ; stems tufted, 2-12 in., 
procumbent or ascending. Leaves digitately compound ; leaf- 
lets 3, wedge-shaped, tip sharply 3-5-toothed, otherwise entire. 
Flowers pale yellow, J in. or less diam., in terminal, corymbose 
cymes. Petals as long as the calyx. Stamens 5, alternate with 
the petals and sometimes 1-5, opposite to them. Achenes glabrous. 
Huttoo, Bhagi ; July. — Alpine Himalayas, 9000-15,000 ft. — Lofty mountains 
in the N. temperate zone (Scotch Highlands) ; Arctic regions. 
2. Potentilla albifolia. Wall. ; FI. Br. Ind. ii. 347. A perennial 
herb ; stems several, slender, pubescent, 6-12 in., diffusely 
spreading. Leaves pinnately compound ; leaflets 5-9, ovate, J-l 
* P. Kleiniana has leaves of 3 and of 5 leaflets. 
