14 S !EXP1*ANATJOX OF PLATES. 



PLATE 15. A. 



CLASSES See Frontispiece. 



Tins plate contains a figure of a flower in each of 

 no 24 Classes. With the exception of 1, 9, and 23, 

 they are either native or commonly cultivated. 



Fig. 1. Monamlria, 1 stamen ; MareVtail, Hippuris 

 vidgaris. Native of Britain. 



Tliis is an example also of the order Monogynia, having- 1 pistil. 



2. Biandria, 2 stamens ; Speedwell, Veronica. 



3. Triandria, 3 stamens ; Common Timothy. 



grass or Herds-grass, Fhieum Pratense, 

 much magnified. 



a. The entire Floret, having three stamens and two 

 feathered styles projecting- from the two compressed 

 glumes which enclose them at the base. 



b. The Pistil shown separate, consisting of the germen 

 and two feathered styles. 



This is an example also of the order fiigynia, having 2 styles. 



4. Tetrandria, 4 stamens ; Cornel, Cornuspani- 



culata, somewhat magnified, 



5. Pentandria, 5 stamens; Common Elder, Sam-. 



bucu-s niger, magnified. 



It is an exemple also of the order Tryginia, having- three sessile 

 fitig-mas. 



6. Hexandria, 6 stamens ; Barberry, Berberis 



vulgaris. 



7. Heptandria, 7 stamens ; Chickweed winter- 



green, Tnentalis Europeans. 



8. Octiindria, 8 stamens ; Dwarf tree primrose, 



(Enothera pumila. 



9. Enneandria, 9 stamens ; Flowering Rush, 



Butomus umbellatus. Native of Britain. 

 This is also an example of the order Hcxag^nia^ having 6 pistils-, 



10. Decaridria, 10 stamens ; Broad-leaved Lau- 



rel or Lamb-kill, Kalmia latifolia. 



11. Dodecandria, 12 to 19 stamens ; Houseleek, 



Sernperowum tetforum. 



