Ch. IV.] 



CLASSES OF PLANTS. 



25 



CLASSES OF PI ANTS. 



79. These are founded upon distinctions observed in the 

 STAMENS. 



80. All known plants are divided intG twenty-one classes. 



81. The first twelve classes are named by prefixing Greek 

 numeral^ to ANDRIA, which signifies stamen. 



82. The first ten classes depend on the number of stamens 



S3. 



Number of 

 Stamens. 



CLASSES. 



Names. 



1. MON-ANDRIA, 



2. Dl-ANDRIA, 



3. TRI-ANDRIA. 



4 



4. TETR-ANDRIA 



5. PENT-ANDRIA, 



6. HEX-ANDRIA, 



7. HEPT-ANDRIA, 



8. OCT-ANDRIA, 



9. ENNE-ANDRIA, 



10. DEC-ANDRIA, 



Fig. 6. 



Definitions. 

 One Stamen. 

 Two Stamens. 

 Three Stamens. 

 Four Stamens. 

 Five Stamens. 

 Six Stamens. 

 Seven Stamens. 

 Eight Stamens. 

 Nine Stamens. 

 Ten Stamens. 



NOTE. The pupil should be required to give the derivation of tb^ 

 names of the classes ; as " Monandria, from Monos, one, and Andria, 

 siamen," &c. 



78. Repeat the numerals. 



79. On what are the classes founded 1 



80. How many classes are there! 



81. How are the first twelve classes named"? 



82. What classes depend on the number of stamens'? 



83. Repeat the names of the first twelve classes. 



