54 BRITISH EXAMPLES OF THE 



2. Diandria. ^ 



3. Triandria: ex. Reed-mace, (Typha) and Sedge, 



(Carex.) 



4. Tdrandia : ex. Box, (Buxus) and Nettle, 



(Urtica.) 



5. Pentandria: ex. Bryony, (Bryonia.) 



6. Hexandr'ia : ex. Pipewort, (Eriocaulon.) 



7. Polijcmdiia: ex. "Water Milfoil, (Myriophillum) 



Burnet, (Poterium) together witli the amen- 

 taceous plants, Oak, (Quercus) Beech, (Fa- 

 gus) and Hasel, (Corylus.) Arum is 

 brought hither from the twentieth class, 

 the flowers being simply monoecious. 



8. Monodelphla : ex. Fir, (Pinus.) 



9. Polj/adelp/iia, *^ 



TWENTY-SECOND CLASS.— Dioecia. 



Stamens and Pistils in separate flowers on two 

 distinct plants. Orders 9, distinguished by the 

 same characters as those of the preceding class. 



