(79) 
7. Atriplex.—¢ perigonium 5-sepalous. 2 
perigonium 2-parted. Fruit a utricle. 
8. Amarantus.-— Perigonium 5-sepalous. 
Fruit a capsule with circumscissile de- 
hiscence. 
V. Hexandria. 
1. Rumex.— Ovary I-celled, 1-seeded. 
Styles 3. Stigma plumose. 
VI. Octandria. 
1. Populus.—Amentaceous. 2 flowers cup- 
shaped. Fruit an o-seeded capsule. 
VIL. Dodecandria, 
1. Nuttallia.—Flowers complete. Ovaries 
5. Fruit 1-5 drupes. Shrub. 
2. Hendecandra (Croton).— é perigonium 
5-cleft. @ perigonium 3-cleft. Ovary 
3-celled. Fruit a 3-coccous capsule. 
VIII. Icosandria. 
1. Nuttallia.—Flowers complete. Shrub. 
2. Torreya.—é flowers amentaceous. ? 
flowers single, ovule naked, immersed 
in an urceolate arillus, in fruit simulat- 
ing adrupe. Coniferous. 
IX. Polyandria. 
1. Thalictrum. 
X. Syngenesia. 
1. Baccharis. Shrub. 
