CHAPTER EIGHTH. 



THE COMPOSITE. 



EXERCISE LXII. 

 Parts of Flower-Heads. 



To illustrate this 

 chapter, gather all 

 the plants you can 

 find that have the 

 inflorescence in a 

 dense head. The 

 dandelion, thistle, 

 aster, marigold, sun- 

 flower, daisy, dahlia, 

 burdock, mayweed, 

 bachelor's - button, 

 boneset or thorough- 

 wort, golden - rod, 

 lettuce, saffron, cud- 

 weed or everlast- 

 ing, wormwood, tan- 

 sy, yarrow, feverfew, 

 camomile, ragweed, 

 tickseed, elecam- 

 pane, are familiar 

 examples of such 

 plants. For your 

 first observations se- 



Florets 



Involucre of 

 Bracts 



FIG. 416. 



