ROSACEAE 613 
9. SIBBALDIOPSIS Rydb. Shrubs with creeping stems.  Leaf-blades 
eq 3-foliolate, 3-toothed at the apex. Petals white, rounded. Stamens 
3 arp mostly obovo ade 
ves &liform, lateral. pé pubescent.— 
One species. 
1. S. tridentata (Soland.) Rydb. Plant 
or 
obovate-cuneate: cymes open: sepals tri- 
i ovate to Man petals white, 5. e 7 
long: achen arly 2 
[Potentilla manta CAdt. E a 
CINQUE EFOIL WINELEAF-CINQUEFOIL.) 
eky acid ers Blue Ridge and more N 
m Ga. to Man., Newf., and Greenl. 
—BSpr.- "Deposits itself on the 
mos 
wind- ies summits, either on ‘‘balds’’ or in rock crevices. 
. DASIPHORA Raf. Shrubs with unarmed branches. Leaf-blades pin- 
nately several foliolate, the leaflets broad or narrow, entire. Petals yellow, 
A clawless. Stamens about 25, 
5 groups on a pentagonal disk. Carpel- 
body angular. Achenes pubescent.—About 
5 species, nos of the north temperate 
and arctic regions. 
1. D. fruticosa (L.) Rydb. Shrub 1.5 m. 
tall or less with silky twigs: leaflets 3-7, 
usually 5; pue ‘leathery, elliptic, linear- 
elliptic, or linear, 1-2 long, or less, 
silky on both ie brac tlet ts linear- elliptie: 
uminate: als 
mps 
or moist rocky soil, Tenn. to N. M., Calif. Alas., Que., and N. J.—(ZEurasia.) 
—Sum. 
11. DRYMOCALLIS Fou Herbs with erect stems. Leaf-blades pin- 
nately several-foliolate, the ee toothed. Petals yellow or white, rounded. 
Stamens in 5 clusters. Carpel-body ovoid: 
style fusiform, basal. Achene glabrous.— 
About 30 species, natives of the north tem- 
perate and subarctic regions. 
. D. agrimonioides (Pursh) Rydb. Stem 
3-10 dm. tall, glandular, villous: leaflets 
cymes 
‘achene about mm. long. [ Potentilla 
Hen Pursh.|—Dry banks, rocky hills, and 
eadows, various provinees, N of Coastal 
Plain, Tenn. to Colo, Mack, N. B., and 
D. C.—Sum. 
