^50 EXPLANATION OF PLATES; 



PLATE 15. CONTINUED. 



IT. Diadclphia, stamens united into two parcels f 

 Sweet Pea, Lathy rus odoratus. 



a The flower. 



b. The stamens and pistil separated from the other 



parts. 



An example also of the order JJecandria, having 1 ten stamens. 



In this as in many other pspilionaceous flowers, there are nine 

 stamens united by their filaments into one parcel and one stamen 

 not united. This drawing- was made from the dissection of a flow- 

 er not quite expanded, in which the anthers were entire and con 

 sequently large. 



Fig. 18. Polyadelphia, stamens united into more than 

 two parcels ; St. John's-wort. Hypericum. 



An example also of the order Potyandria, having 1 many stamens. 



19. Syngenesia; stamensmnited by their anthers 

 into a tube, flowers compound. A floret of 

 the Dandelion,, Leontodon Taraxacum. 



A. The corolla. 



B. The stamens. 



c. The Jive separate filaments* 

 d Tlie tube of united anthers. 

 E. The pistil. 



f. The germen. 

 'ff. The style. 



h. The stigma. 



i. The pappus. 



20 Gynandria, stamens united with, or growing 

 out of the pistil | Ladies'-slipper, Cypri- 

 pediwn acaule. 



a. The pistil. 



b. The germen. 



c. The style and stigma. 



d. One of the anthers. 



e. The pistil separated, having the anthers attached 



to the sides. 

 An example also of the order Fiandria> having two stamens. 



21. Moncecia, stamens and pistils in separate 

 flowers on the same plant 5 Sedge-grass, 

 Carex ccespitosa. 



