219 Ranunculacce—Pionia. 
4. P. décora.—A purple-flowered species from Asia Minor, 
Leaves tripartite ; lobes oblong, obtuse, hairy beneath. 
5. P. Wittmaniuidna.—Distinguishable from all the others 
by its bright yellow flowers. A native of the Caucasus. 
6. P. tennifodlia (fig. 20).—A Siberian plant, remarkable for 
its finely dissected foliage. It is of smaller stature and more 
compact growth than the other species, and the flowers are not 
quite eo large. They are dark crimson, either single or double, 
and appear in May. 
7. P. paradéca.—-Leaves glaucous, ternate, lobes rather 
obtuse with undulating margins, hairy beneath. Flowers pur- 
ple or crimson, single or double. There is also a variety with 
prettily fringed petals. From the Levant, flowering in May. 
Orver I.—CALYCANTHACE/:. 
Deciduous shrubs with opposite undivided entire exstipulate 
Teaves and solitary axillary often fragrant or aromatic flowers. 
Sepals and petals in many series, the outermost small and bract- 
like, the inner petaloid, inserted on the outside of a fleshy 
urceolate torus having the appearance of the tube of a perianth. 
Stamens numerous, inserted at the mouth of the torus. Carpels 
many, free, included within the tubular torus, l- or 2-seeded ; 
seeds erect, exalbuminous. <A small group of about four species 
from North America and Japan. The only two genera referred 
here ave both represented in our garclens. 
1. CALYCANTHUS. 
Stamens in many series, the twelve outer fertile. Flowers 
purple, lurid red or brownish, appearing in Summer. There are 
three North American species, with seven or eight names. 
Derived from xcadv&, cup or calyx, and dvOos, a flower, from 
the coloured sepals. 
1. @. fldridus. Carolina Allspice—Leaves oval or rotan- 
date, rounded at the base, hispid above, suftly pubescent be- 
neuth. Flowers very shortly pedunculate. A compact free- 
flowering species, very common in gardens. There are several 
varieties in nurseries, under the names nnns, (nodoris, Penn= 
sylvanicus, asplenifolius, with cut leaves; bulliitus, with blad- 
dery leaves, ete. 
2, Cloceidentalis,—Leaves oblong or vvate-cordate, acuminate, 
hispid above, slightly pubescent on the veins only beneath. A 
