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ROSACEJE. (ROSE FAMILY.) 
1. A. Ulpina, L. Perennial; leaves all from the rootstock, 
5-7-divided; leaflets wedge-lanceolate, satiny beneath, serrate to¬ 
wards the apex. — White Mountains of New Hampshire and Green 
Mountains, Vermont, according to Pursh; but no one else has found 
the plant in the country. 
8. SIBBALDIA, L. Sibbaldia. 
Calyx flattish, 5-cleft, with 5 bractlets. Petals 5, linear-oblong, 
minute. Stamens 5, inserted alternate with the petals into the 
margin of the woolly disk which lines the base of the calyx. 
Achenia 5 - 10 ; styles lateral. — Low and depressed mountain 
perennials. (Dedicated to Dr. Sibbald , Prof, at Edinburgh at the 
close of the 17th century.) 
1 8. procuillbdlS, L. Leaflets 3, wedge-shaped, 3-tooth¬ 
ed at the apex; petals yellow, shorter than the calyx. — Mountains 
of Vermont, according to Pursh (?). White Mts. of New Hampshire, 
Oakes , 1846. A dwarf, truly alpine plant, resembling a Potentilla. 
9. DRIAS, L. Dryas. 
Calyx flattish, 8 - 9-parted. Petals 8-9, large. Stamens 
numerous. Achenia many, heaped on the dry receptacle ; the 
persistent styles forming very long plumose tails. Seed erect. — 
Dwarf and matted slightly shrubby plants, with simple toothed 
leaves, and solitary large flowers. (Name from Dryades , the 
nymphs of the Oaks, the leaves resembling oak-leaves in minia¬ 
ture.) 
1. I>. integrrifolia, Vahl. Leaves oblong-ovate, slightly 
heart-shaped, with revolute margins, nearly entire, whitened with 
down beneath, concealing the veins; flowers white. — White Moun¬ 
tains, New Hampshire, Prof. Peck , according to Pursh; but not since 
met with. 
10. GEUM, L. Avens. 
Calyx bell-shaped or flattish, deeply 5-cleft, usually with 5 
small bractlets at the sinuses. Petals 5. Stamens many. Ache¬ 
nia numerous, heaped on a conical or cylindrical dry receptacle, 
the long persistent styles forming hairy or jointed tails. Seed 
erect. — Perennial herbs, with pinnate or lyrate leaves. (Name 
from yevat, to give an agreeable flavor , the roots being rather aro¬ 
matic.) 
§ l. Geum proper. — Styles jointed and bent near the middle , the 
