!)4 
27. ROSACEA. 
10. PoTENTILLA Lvmi. 
* Hairs on the receptacle shorter than the glabrous carpels. 
t Leaves pinnate. 
1. P. rupestris (L.); st. erect dichotomous, leaflets roundish- 
ovate unequally cut and serrate 5 — 7 on the lower leaves, on the 
uppermost d. — E. B. 2058. — FI. white, large. Pet. much longer 
than the caly.x. St. 1 — 2 feet high. — On Craig Breidden, Mont- 
gomeryshire. P. V. VI. E. 
2. P. anserine (L.) ; st. creeping, 1. interruptedly jnnnate, leaf- 
lets numerous ohlong acutely serrate silky beneath, j)eduncles 
solitary. — E. B. 8(il. St. 4. 7. — EL yellow, large. L. green 
above, white and silky beneath. — fi. sericea (Koch) ; white and 
densely silky on both sides. — Road-sides. Cambridge. P. 
VI. Vil. Silver Weed. 
tt Leaves digitate. 
3. P. argentea (L.); st. decumbent or ascending, 1. quinate, 
leaflets obovate-cuneate inciso-serrate downy beneath : margins 
revolute. — E. B. 80. St. 17. 7. — FI. yellow, small, in terminal 
corymbs. — Dry gravelly places. P. VI. VIL 
4. P. opaca (L.); st. ascending, 1. of 7 haiiT ZiMear-cuneate 
leafl. deeply serrated tbroughout green above and below, st. 1. 
ternate, teeth 5 or more on each side of a leaflet. — E. B. 2449. 
— FI. on long simple solitary axillary or panicled stalks, yellow. 
Serratures large distant, extending almost to the base of the leaf- 
let. I have not seen specimens.— Clova and Balquidder. P. VI. 
S. 
5. P. verna (L.) ; st. prostrate, lower 1. of 5 — 7 obovate leaf- 
lets serrated towards the end bristly on the margin and ribs be- 
neath : teeth 2 — 4 on each side, loivest stipules narrowly linear . — 
E.B.37. St. 17 . 8. — St. woody, about 5 in. long. FI. yellow, 
solitary or 2 or 3 together. The terminal tooth of the 1. usually 
smallest and shortest. — Dry pastures. P. IV. V. E. S. 
6. P. alpestris (Hall.) ; st. ascending, lower 1. quinate, leaflets 
obovate-cuneate somewhat hairy deej)ly cut in the ui)per half : 
teeth about 4 on each side, slip, all ovate. — E. B. 561. P. salis- 
burgensis (Ilacnke) St. 17. Id. — Larger than the preceding. — 
Mountains. P. VI. VIL E. S. 
7 . P. reptans (L.); st. filiform procumbent rooting, 1. quinate 
stalked, leaflets obovate serrated, peduncles solitary, carpels gra- 
nulate-scabrous. — E. B. 862. — L. on long stalks, often with a 
bunch of small 1. in their axils, sometimes solitary, usually in 
])airs. Leaflets blunt, rough or hairy on their ribs and margins. 
FI. on long stalks yellow. — j3. sericea ; 1. and cal. covered with 
long silky hairs on both sides. — y. acutifoUa ; leaflets lanceolate 
