ROSACEZ. 901 
GENUS XT—DRYAS. Linn. 
Calyx flattish or slightly concave at the base, 8- to 10-partite. 
Segments nearly equal and in a single row. Petals 8 or 9, more 
rarely fewer, oval or oblong, entire. Stamens numerous. Recep- 
tacle flattish or concave, dry. Achenes dry, terminated by the 
elongated very plumose styles, which are neither jointed nor bent. 
_ Undershrubs with decumbent branches, and simple ovate-oblong 
or elliptical crenate or entire leaves, white beneath. Flowers 
large, solitary, white or yellow. Styles with white hairs. 
The name of this genus of plants was given to it by Linnzus, from the dryads or 
nymphs of the oak, in consequence of the leaves bearing some resemblance to those of 
the oak. 
SPECIES L-DRYAS OCTOPETALA. Linn. 
Pirate CCCCLX. 
Leaves oblong-ovate, truncate at the base, crenate-lobed, 
hoary white beneath, with the mid-rib prominent and not white. 
Sepals strapshaped or oblong. Petals white. 
Var. a, genuina. 
Sepals strapshaped, sub-acute. 
Var. 8, depressa. 
D. depressa, Bab. Ann. Nat. Hist. Ser. 1, Vol. X. p. 183. 
- Sepals oblong, blunt and rounded at the apex. 
On rocks and stony debris on mountains, particularly partial to 
limestone. Var. « in Wales, the North of England, and Scotland, 
extending to Hoy Hill, in Orkney; and in Clare, Galway, and 
the North of Ireland. Var. 6 on Ben Bulben, county Sligo. 
England, Scotland, Ireland. Shrub. Summer. 
A. small prostrate much-branched shrub, with dark-brown bark 
bd peeling off from the old branches. Leaves stalked; lamina } to 1 
inch long, abrupt and occasionally sub-cordate at the base, blunt at 
the apex, with 5 to 8 large blunt teeth or small lobes on each side, 
extreme margins reflexed; midrib more or less pilose, and fre- 
quently clothed with small fringed scales. Stipules scarious, 
adnate for two-thirds of their length, the free portion lanceolate, 
ciliated with woolly hairs. Peduncles terminal, 1 to 3 inches high 
in flower, in fruit lengthening to 2 to 5 inches. Flowers 1 to 1 
inch in diameter, white. Calyx-segments generally 8, reddish, 
VOLS FIT. 2 D 
