[Hippocastanace^. Trees, with large resinous 
winter buds. Lea. opposite, palmate, exstipulate. 
Inflor. a raceme of C3rmes. Flow, polygamous, 
obliquely zygomorphic. Sep. 5. Pet. 4 — 5. Sta. 
5 — 8, inserted within the disc. Carp. (3), each with 
2 ovules. Fr. a 3-valved capsule, with usually only 
I large exendospermous seed when ripe. jEs cuius."] 
Family 56. BALSAMINACE^. Herbs, with 
+ translucent stems (occasionally shrubby). Lea. 
spiral, usually exstipulate. Flow g , zygomorphic. 
Sep. 3, petaloid, posterior spurred, sometimes 2 
other minute ones. Pet. 5 (apparently 3, the lateral 
ones being united in pairs). Sta. 5, anthers at first 
cohering. Carp. (5), each cell with 00 pendulous 
anatropous ovules. Fr. a loculicidal capsule, burst- 
ing elastically. Seeds exendospermous. 
Impatiens. 
# H valvate. Sta. often in i (the inner) 
whorl only. 
RHAMNALES . MAE VALES . 
Order 16. RHAMNALES. 
Flow, cyclic, actinomorphic. Per. double, pet. 
occasionally wanting. Sta. opposite the pet. Carp. 
(2 — 5), each cell with i or 2 basal ascending anatro- 
pous ovules. 
Family 57. RHAMNACE^. Trees or shrubs, 
[rarely herbs, often climbing]. Lea. spiral or oppo- 
site, simple, often 3 — 5-nerved, with minute stipules. 
Inflor. cymose. Flow, small, greenish or yellowish 
[or blue], ^ or polygamous, 4- or 5-merous. Cal. 4 
or 5. Pet. 4 or 5, minute, or o. Sta. 4 or 5, perigy- 
nous, inserted round a cup-shaped disc. Ovary 2 — ^5- 
celled, with i erect basal ovule in each cell. Fr. a 
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