Potentilla.'] xxvii. rosacea: : rosea:. 
129 
many, minute, inserted on a large spongy permanent receptacle. 
— Named from Kopapoc, a term applied by Theophrastus to some 
plants of the Arbutus tribe. 
1. C. palustre L. ( purple M.). E. B. t. 172. Potentilla 
Comarum Nestl. 
Marshes and peat-bogs, frequent, 2/.. 5 — 7. — Stems ascending. 
Leaves petioled, with 7 lanceolate deeply serrated leaflets, upper ones 
quinate or ternate, sessile with a pair of ovate stipules. Flower-stalk 
branched. Flowers of a deep dingy purple. 
8. Potentilla Linn. Cinque-foil. 
Cal. 8 — 10-cleft, segments alternately smaller. Pet. 4 — 5. 
Style short, lateral or nearly terminal. Ovule suspended or 
ascending. Achenes numerous, minute, placed upon a small 
dry flat receptacle. — Named from potens, powerful; from the 
medicinal properties attributed to some of the species. 
* Leaves pinnate. Flowers yellow. 
1. P. fruticosa L. ( shrubby C.) ; leaves pinnate, leaflets 
(generally 5) oblong-lanceolate entire, stem shrubby. E. B „ 
t. 88. 
Rocky and bushy places, rare. Wastdale Screes, Cumberland. 
Teesdale, Durham and Yorkshire. By the river Don, near Doncas- 
ter. Rock-forest, Galway, Ireland. Jj- 6, 7. — Hairs on the re- 
ceptacle elongated. 
2. P. anserina L. (Silver-weed) ; leaves interruptedly pinnate 
serrate silky especially beneath, peduncles axillary single- 
flowered, stem creeping. E. B. t. 861. 
Moist meadows and road-sides, frequent. 2/.. 6, 7. — Varying 
much in the degree of silkiness ; sometimes silky and white on both 
sides. Flowers large. Hairs on the receptacles in this and the next 
shorter than the glabrous achenes. Leaflets lanceolate. 
** Leaves pinnate. Flowers white. 
3. P. rupestris L. (Strawberry -flowered C.) ; stem erect di- 
chotomous, leaves pinnate, leaflets cuneate-ovate serrate hairy, 
of the root leaves 5, of the cauline ones 3. E. B. t. 2058. 
Very rare, on Craig Breiddin, Montgomeryshire. Tf.. 5,6 . — 
Flowers large. Achenes even, glabrous. 
*** Leaves digitate. Flowers yellow . (Flairs on the receptacle 
shorter than the glabrous achenes.) 
4. P. argentea L. (hoary C.) ; leaves quinate, leaflets cunei- 
form cut white and downy beneath, their margins revolute, 
stem decumbent or ascending. E. B. t. 89. 
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