672 ARBORETUM AND FRUTICETUM. ‘ PART III. 
even. Young leaves with the edges rolled inwards. Flowers upon pedicels, 
in groups resembling umbels, and produced before or after the leaves. 
Ce’rasus Juss. Drupe globose, or with a hollow at its base; nut subglobose, 
even, its covering fleshy, juicy, and with a surface glabrous, and not covered 
with a grey bloom. Young leaves folded flatwise. Flowers upon pedicels, 
either in groups resembling umbels, and produced before the leaves, or in 
racemes terminal to the shoots, protruded along with them. 
Sect. If. Spira#e‘#® Dec. 
Sect. Char. Fruit of 5, or fewer, capsular carpels, which are distinct 
from the calyx (which is persistent in Spira‘a, and, perhaps, in the other 
genera), and, in most cases, from each other; each contains 1—6 seeds. 
(Lindley.) Style terminal. 
Pu’rsui4 Dec. Lobes of calyx obovate, obtuse. Petals and stamens 
arising from the calyx. Stamens about 20. Carpels 1—2, ovate-oblong, 
tapered into the short style, pubescent; each includes 1 ovule inserted 
into its base, and opens by a longitudinal cleft. 
Ke’rri4 Dec. “Lobes of calyx ovate, 3 obtuse, and 2 with a callous point. 
Petals and stamens arising from the calyx. Stamens about 20. Carpels 
5—8, distinct, glabrous, terminated by a slender style, globose; each in- 
cludes 1 ovule, which adheres to its side. 
Spir& ‘a L. Petals and stamens arising from a torus, to which the calyx 
adheres. Stamens 10—50. Carpels 1 to several, distinct; or, in a few 
cases, connate at the base ; ending in short tips; sessile, or, in a few cases, 
stipitate; each includes 2—6 seeds, affixed to the inner suture. 
Sect. III. Porenti’Lrex Juss. (Synon. Dryadex Vent.) 
Sect. Char. Fruit an aggregation of carpels; their integuments dry or 
succulent; the carpels distinct from one another, and from the calyx, 
which is persistent, and surrounds them, and, in many, is subtended 
by as many bracteas as it has lobes; the bracteas alternate with the 
lobes. Style proceeding from a little below the tip of the carpel. 
Leaves, in most cases, pinnately divided. Stipules. attached to the 
petiole. 
Rvu‘sus L. Integuments of carpels juicy. 
Porenti’LLA Nesti. Integuments of carpels dry. 
Sect. IV. Ro‘se® Dec. 
Sect. Char. Fruit a hip; that is, with the tube of the calyx fleshy, of 
a pitcher shape, contracted at the mouth; and including an aggregation 
of carpels attached to its inner face. Style proceeding from the inner 
side of the carpel. 2 
Rosa Tourn. Leaf impari-pinnate. Stipules attached to the petiole. 
Prickles simple. 
Lo‘wed Lindl. Leaf simple. Stipules none. Prickles usually compound. 
Sect. V. Po'‘mex Lindl. 
Sect. Char, Fruit a pome; that is, with the tube of the calyx become 
very fleshy, and including, and connate with, the carpels. Carpels nor- 
mally 5, with gristly or bony walls, including 1—2 seeds; in Cydonia, 
several. Habit, spiny or not; leaves, in most cases, undivided, in some 
pinnate. Stipules not connate with the petiole. 
Crate cus Lindl. Fruit ovate, not spreadingly open at the top. Carpels 
1—5 prismatic nuts with bony shells, each including 1 seed. Spiny shrubs 
or low trees. Leaves angled or toothed ; in most cases, deciduous. Flowers 
in terminal corymbs. 
—* -) 
«ee et 
