f!h. IV.] 



CLASSES OF PLANT3. 

 CLASSES OP PI ANTS. 



79. These are founded upon distinctions observed in the 

 & FAMENS. 



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



81. The hrst twelve classes are named by prefixing Greek 

 > imerals to ANDRIA, which signifies stamen. 



32. The first ten classes depend on the number of stamens- 



CLASSES. 



83. 



Number of 

 Stamens. 



Names. 



1. MON-ANDRIA, 



2. Dl-ANDRIA, 



3. T-RI-ANDRIA. 



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. 

 Tfiree Stamens, 

 Four Stamens. 

 Five Stamens. 

 Si& Stamens. 

 Seven Stamens. 

 Fight Stamens. 

 Nine Stamens. 

 Ten Stamens. 



NOTE. The pupil should be required to give the derivation of th< 

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

 si amen,' 1 &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 1 



82. What classes depend on the number of stamens 1 

 S3. Repeat the names of the first twelve classes. 



