CHORIPETALAE 4I 



458. Leaves opposite, exstipulate 45g 



Leaves alternate or the uppermost whorled, or all radical. . . . 462 



459. Stamens 3 — 10. Carpels 3 — 9. Albumen scanty. Leaves undivided. 460 

 Stamens numerous. Carpels 2 or many. Albumen abundant. . . 461 



460. Stamens 3 — 9. Petals white or reddish. Fruit dehiscent. 



Crassula, 95. Crassulaceae. 



Stamens 10. Petals greenish, fleshy. Fruit indehiscent. Shrubs, 



Flowers in racemes Coriaria, 126. Coriariaceae. 



461. Carpels 2. Ovules ascending. Sepals 5. Petals 5. Seeds with an aril. 



Erect shrubs or trees. Leaves undivided. 



Hibbertia, 146. Dilleniaceae. 

 Carpels numerous. Ovules pendulous. Seeds without an aril. 



Clematis, 78. Ranunculaceae. 



462. Leaves stipulate 463 



Leaves exstipulate 467 



463. Stamens as many as the petals, 3 — 8, hypogynous or nearly so. Styles 



terminal. Flowers unisexual 464 



Stamens twice as many as the petals or more, rarely as many as the 

 petals or fewer, but then distinctly perigynous and styles basal. Ovules 

 inverted 465 



464. Stem erect, tree-like. Leaves lobed. Flowers in heads. Ovules pendu- 



lous, straight. Fruit dry Plaianus, 102. Platanaceae. 



Stem climbing. Leaves undivided. Flowers in racemes or panicles. 

 Ovules laterally affixed, half-inverted. Fruit fleshy. 



Tiliacora, 80. Menispermaceae. 



465. Petals and stamens perigynous 103. Rosaceae. 



Petals and stamens hypogynous. Leaves undivided 466 



466. Flowers regular. Sepals 3 — ^4, valvate in bud. Stamens numerous, 



with united filaments. Disc absent. Trees, 



Christiania, 141. Tiliaceae, 

 Flowers irregular. Sepals 5. Disc present. Shrubs, 



Asfrocarpus, 89. Resedaceae. 



467. Disc present. Sepals 2 — 5, Albumen scanty or wanting. Stem woody, 



116. Simarubaceae. 



Disc absent. Albumen abundant, rarely scanty or wanting, but then 



sepals 6 or more 468 



468. Flowers unisexual. Sepals 6 or more. Stamens usually as many as petals 



or fewer. Fruits drupaceous. Stem usually climbing. Flowers usually 



in racemes 80. Menispermaceae. 



Flowers hermaphrodite or polygamous, rarely unisexual, but then sepals 

 2 — 3, Stamens usually more than petals. Albumen abundant. 469 



469. Stem woody. Leaves entire or toothed. Sepals 2 — 3. Albumen 



ruminate 81. Anonaceae. 



