156 



REPRESENTATIVE PLANTS 



to destroy these forests ? What is the prospect of their 

 permanent continuance ? How does Germany manage such 

 forests ? ^lake a map of the world on Mercator's projec- 

 tion and show the coniferous forest belt by a green tint. 

 Try to make the distinction as exact as possible. 



Class II. Angiosperms (Common Flowering Plants) 



The subject title is introduced here to show the student 

 the proper sequence and position of the highest group of 

 plants. Their study has been taken up in Part I of this 

 work. 



SECTION VT. SIMPLE CLASSIFICATION OF PLANTS 



Branch I. Thallophytes, or Thallus Plants. 



The lowest and simplest of plants, without 

 true stem and leaf. 



Class I. Fission Plants. Bacteria, Bacilli. Blue-green 

 Algce. 

 The so-called germs. The lowest, simplest, 

 and smallest organisms, in large part with- 

 out chlorophyll, largely parasites, many 

 injurious, some of great value. 

 Glass II. Fungi, Molds, Busts, Yeasts, Mushrooms, 

 Lichens. 

 Plants without chlorophyll ; many parasites ; 

 often saprophytic ; many of value. 

 Class III. Algce. Green, brown, and red forms. 



Plants mostly aquatic, with chlorophyll; 

 mostly independent; many useful for food, 

 medicine, etc. 



Branch II. Bryophytes, or Moss Plants. 



Green plants of some complexity with com- 

 bined parasite and independent genera- 

 tions ; the mosses with small leaves. 



