ORDERS OF PLANTS. 
CLASS I.—DICOTYLEDONS. 
Sub-Class I.—Choripetaleae Hypogynae. 
1. Pistils separate (apocarpous), each with a distinct style 
and stigma; seeds albuminous. (Also Brachychiton ). 
a. Carpels 2 or more. Stamens indefinite; sepals usually 5. 
Herbs with radical oralternate leaves, or climbers with 
opposite leaves; sepals deciduous ; seeds without 
an arillus; fruitlets not bur sting, 1-seeded .. Ranunculaceae 
Heath-like sGiths with alternate leaves and yellow 
flowers; sepals 5 persistent; seeds several, with 
an arillus; fruitlets somewhat connate below, 
bursting at the top ... te bs re ... Dilleniaceae 
bh. Carpel solitary. 
Twining parasites; calyx 6-cleft; corolla 0; anthers 
opening by 2 or 4 valves; ovary 1-celled, 1- 
ovulate, pendulous; calyx enlarging over the 
fruit and becoming succulent bie : .. Lauraceae 
Aquatic herb; flowers unisexual within a ital ee 
bracts ; corolla and calyx absent; male flowers 
of several stamens, female of a ‘L-celled ovary 
with a pendulous ovule; fruit indehiscent ... Ceratophylleae 
u. Fruit of 2 or more carpels. Placentas parietal. 
a. Placentas alternate with the fruit-valves. 
Sepals 2, deciduous; stamens indefinite; fruit incom- 
pletely many- celled, seeds albuminous ... .. Papaveraceae 
Sepals and petals generally 4; stamens usually numer- 
ous; fruit 1-celled, placentas 2 or more, seeds 
exalbuminous “ad o .. Capparideae 
Sepals 4, deciduous; petals 4, behaitorta, or ee 
absent; stamens ‘usually 4 long and 2 short; fruit 
2- celled, usually bursting icici aerial by 2 
valves; seeds exalbuminous _ ... Cruciferae 
