120 xxvii. rosacea: rosea;. [ Spiraea. 
A small tree, with acute, doubly serrate leaves. Flowers white. 
Drupes small, black ; nut rugose. 
Sub-Ohd. II. ROSEiE. Calyx inferior, more or less perma- 
nent. Carpels free from the calyx-tube or merely seated upon 
it. Stipules adhering to the petiole. (Gen. 2 — 14.) 
Tribe I. Spir.eid.t.. Petals 5. Follicles several, distinct or 
united, invested by the calyx. Seeds 1 — 6, suspended from the 
inner edges of the follicle. Shrubs or herbaceous plants, 
(Gen. 2.) 
2. Spirai'a Linn. Spiraea, Dropwort, or Meadow-sweet. 
Cal. inferior, equally 5 -cleft, persistent. Pet. 5, roundish. 
Follicles 3 — 12, usually distinct, 1-celled, 2-valved, with few 
seeds. — Name : supposed to be the onupua of Theophrastus. 
1. S. *salicifolia L. {Willow-leaved S.) ; shrubby, leaves 
elliptic-lanceolate unequally serrate glabrous, racemes ter- 
minal compound. E. B. t. 1468. 
Moist woods in several parts of the north of England and Scotland, 
h . 7. — A small branching shrub. Flowers rose-coloured, in crowded 
racemes. Stamens longer than the petals. 
2. S. Filipendula L. ( common D .) ; herbaceous, leaves inter- 
ruptedly pinnate, all the leaflets uniform deeply cut and 
serrate, flowers paniculato-cymose, follicles hairy. E. B. 
t. 284. 
Dry pastures, especially in a chalky or gravelly soil ; rare in Scot- 
land. h . 6, 7. — Root with rather long knobs. Stem a foot high, 
panicled above. Leaflets small, oblong or lanceolate, alternate ones 
not half their size. Stipules of the radical leaves linear, entire, of the 
stem rounded and cut or serrate. Flowers yellowish white, tipped 
with rose-colour. 
3. S. TJlmdria L. ( Meadow-sweet ) ; herbaceous, leaves inter- 
ruptedly pinnate serrate downy beneath, lateral leaflets un- 
divided terminal one largest and lobed, flowers in compound 
(and as it were proliferous) cymes, follicles glabrous. E. B. 
t. 960. 
Meadows and banks of ponds and ditches, frequent, fl. 6 — 8. — 
Stems 3 — 4 ft. high, branched upward. Leaflets ovate, acuminate, 
very large, especially the terminal 3 — 5-lobed one ; alternate ones 
minute. Flowers yellowish-white, numerous, sweet-scented. Fruit 
twisted. 
Tribe II. Potentili.id.t.. Fruit a collection of achenes or little 
drupes, upon a common flat or elevated receptacle. Calyx 
4— 5-cleft, frequently with little bracts near the summit alter- 
