ROSACEA. 
87 
not contracted, fruit round. — E. B. S. 2863. Cerasus austera 
Leight. p. 524. — An erect bushy shrub, 3 — 8 feet high. Um- 
bels scattered. Outer scales of the leaf-buds erect. Inner scales 
of the flower-buds leafy. Sep. crenatc-serratc. Pet. subemar- 
ginate, with a claw. Fr. round, red. — Hedges. Sh. V. K. 
Tribe II. Spirceee. 
2. SpiRjEA Linn. 
fl, S. salicifolia (L.) ; shrubby, stip. 0, 1. elliptic-lanceolate 
unequally serrate glabrous, racemes terminal compound, stam. 
longer than the petals. — E. B. 1468. — A shrub of 4 — 5 feet high 
with smooth round wandlike branches. Fl. flesh-coloured, in 
dense erect racemes. — Damp woods in the north. Sh.VII. E. S. 
2. S. Ulmaria (L.) ; herbaceous, stip. rounded toothed, I. in- 
terruptedly pinnate, leaflets ovate tindirided : the terminal one 
larijer palmately 3 — 5-lobed, fl. in compound proliferous cymes, 
caps, glabrous contorted.— E. B. 960. St. 18. 8. — St. about 3 
feet high, angular, branched. L. with a few large serrated leaf- 
lets and very minute intermediate ones, downy beneath. Pe- 
duncles downy. Fl. yellowish, sweetscented. Pet. roundish. — 
Meadows and banks of ditches and rivers. P. VI. — VIII. Mea- 
dow-sweet. 
3. S. Filipendula (L.) ; herbaceous, stip. of the root leaves 
linear acute entire, those of the stem rounded and cut, 1. inter- 
ruptedly pinnate, leaflets all oblong deeply cut and serrate, fl. in a 
panicled cyme, caps. " hairy parallelly adpressed." — E. B. 284. 
St. 18. 7- — St. 1 — 1-J foot high, round, simple, panicled at the 
top. L. mostly radical, spreading ; leaflets small, numerous, 
intermediate ones much smaller. Fl. yellowish white tinged 
with red. Pet. obovate. — Dry chalky and limestone pastures. 
P. VI. VII. Dropwort. E. S. 
Tribe III. Dryadece. 
3. Dryas Linn. 
1. D. octopetala (L.) ; 1. crenate-serrate obtuse, sep. 3 or 4 
times as long as broad more or less pointed, base of the cal. 
hemispherical. — E. B. 451. St. 20. 3. — Fl. large, white. Pet. 8. 
L. simple, white with fine dense woolly pubescence beneath. St. 
prostrate, woody. Seeds obovate-oblong apiculate. — a. Sep. 
acute, covered with red hairs. L. ovate-oblong, deeply cut into 
large rounded lobes ; under side of the petiole and midrib green, 
bearing minute linear pellucid fringed scales mixed with long 
hairs, midrib and lateral ribs sparingly hairy and conspicuous. 
— /3. pilosa (Bab.). Sep. slightly pointed, covered with nearly 
black hairs. L. oblong or ovate-oblong, deeply cut into large 
