CHAPTER XLIII. 



OUTLINE OF TWENTY LESSONS IN THE 

 •ANGIOSPERMS. 



557. As a minimum study of the plant families in the angio- 

 sperms, the following twenty lessons are suggested to represent 

 nine topics. 



MONOCOTYLEDONS. 



Topic I : Monocotyledons with conspicuous petals. 



Lesson i : Liliacese, lily family. 

 Topic II : Monocotyledons with flowers on a spadix. 



Lesson 2 : Araceae, arum family. 

 Topic III : Monocotyledons with a glume subtending the 

 flower. 



Lesson j: Graminese, grass family. 



DICOTYLEDONS. 



Topic IV : Dicotyledons with distinct petals, flowers in catkins 

 or aments, often degenerate. 

 I^esson 4: Salicacese, willow family. 

 Lesson j: Cupuliferse, oak family. 

 Topic V : Dicotyledons with distinct petals, and hypogynous 

 flowers, not in true catkins. 

 Lesson 6: Ulmaceae, elm family. 

 Lesson y : Ranunculaceos, crowfoot family. 



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