(79) 



7. Atriplex. $ perigonium 5-sepalous. ? 

 perigonium 2-parted. Fruit a utricle. 



8. Amarantus. Perigonium 5-sepalous. 

 Fruit a capsule with circumscissile de- 

 hiscence. 



V. Hexandria. 



1. Eumex. Ovary 1-celled, 1-seeded. 

 Styles 3. Stigma plumose. 



VI. Octandria, 



1. Populus. Amentaceous. ? flowers cup- 

 shaped. Fruit an oo-seeded capsule. 



VII. Dodecandria, 



1. Nuttallia. Flowers complete. Ovaries 

 5. Fruit 1-5 drupes. Shrub. 



2. Hendecandra (Croton). $ perigonium 

 5-cleft. ? perigonium 3-cleft. Ovary 

 3-celled. Fruit a 3-coccous capsule. 



VIII. Icosandria. 



1. Nuttallia. Flowers complete. Shrub. 



2. Torreya. $ flowers amentaceous. ? 

 flowers single, ovule naked, immersed 

 in an urceolate arillus, in fruit simulat- 

 ing a drupe. Coniferous. 



IX. Polyandria. 



1. Thalictrum. 



X. Syngenesia. 



1. Baccharis. Shrub. 



