PRUNUS.—SPIRA&A. 87 
branches spinous, ped. glabrous, 1. usually glabrous, fr. globose. 
E. B. 842.—8. P. insititia (L.); branches slightly spinose, ped. 
and under-side of 1. usually downy, fr. globose. E. B. 841,— 
y. P. domestica (L.); branches without spines, ped. glabrous, 1. 
hairy about the midrib beneath, fr. oblong. EH. B. 1783.—The 
characters of these varieties are not constant; «. is usually a 
shrub with crooked and much armed branches; 8. is a taller 
shrub with straight and slightly armed branches; y. is a small 
tree.—Sh. IV. V. «. Sloe. Blackthorn. 8. Bullace. 
** Young leaves conduplicate—CERasuS. 
2. P. Padus (L.); arborescent, 1. obovate-lanceolate finely 
serrate glabrous, fl. in pendulous racemes, fr. roundish-oblong.— 
E. B. 1383.—A small tree. L. minutely doubly serrate. Fi. 
white, numerous, in a lax raceme. Fr. black, harsh and bitter, 
with a corrugated nut.—Woods and hedges. T. V. Bird Cherry, 
3. P. Avium (L.); arborescent, 1. drooping oblong-obovate 
suddenly cuspidate incise-serrate downy beneath, calyx-tube con- 
tracted below the entire sepals, “ fr. heartshaped.”—E. B. 706. 
—A tree of 20—30 feet high. Outer scales of the leaf-buds de- 
flexed. Flower-buds not leafy. Fl.in umbels. Pet. bifid, with 
a minute claw. “Fr. firm, bitter, black or red.”’ Borr—Woods. 
T. V. Wild Cherry. 
4. P. Cerasus (L.); fruticose, 1. not drooping oblong-obovate 
or ovate-lanceolate doubly crenate-serrate glabrous, calya-tube 
not contracted, fruit round.—E. B. S. 2863.—An erect bushy 
shrub, 3—8 feet high. Umbels scattered. Outer scales of the 
leaf-buds erect. Inner scales of the flower-buds leafy. Sep. 
crenate-serrate. Pet. subemarginate, with aclaw. “Fr. juicy, 
acid, always red.” —Hedges. Sh, V. E. 
Suborder II. Rosee. Tribe I. Spiree. 
2. Spirma Linn. 
+1. 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—6 feet high 
with smooth round wandlike branches. Fl. flesh-coloured, 
dense erect racemes.—Damp woods in the north and in Wales. 
Sh. VII. E. S. *L 
2. S. Ulmaria (L.); herbaceous, stip. rounded toothed, |. in- 
terruptedly pinnate, leaflets ovate undivided, the terminal one 
larger paimately 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- 
