Ch. IV.] CLASSES OF PLANTS. 25 
CLASSES UF PIANTS. 
79. These are founded upon distinctions observed in the 
STAMENS. z 
80. All known plants are divided into twenty-one classes. 
81. The trst twelve classes are named by prefixing Greek 
numerals to anpria, which signifies stamen. 
82. The first ten classes depend on the number of stamens. 
CLASSES. 
Names. Definitions. 
83. ( 1. Mon-anpria, One Stamen. 
2. DI-aNnDRIA, Two Stamens. 
3. ‘T'RI-ANDRIA, Three Stamens. 
4, 'TETR-ANDRIA Four Stamens. 
Number of J 5. Pent-anpria, Five Stamens. 
Stamens. 6. Hex-anprla, Six Stamens. 
7. HEPT-ANDRIA, Seven Stamens. 
8. OcT-ANDRIA, Hight Stamens. 
9. EINNE-ANDRIA, Nine Stamens. 
_ 410. Dec-anpria, T'en Stamens. 
Nore. The pupil should be required to give the derivation of the 
names of the classes; as ‘‘ Monandria, from Monos, one, and Andria, 
stamen,” &c. 
78. Repeat the numerals. 
79. On what are the classes founded ? 
80. How many classes are there? 
81. How are the first twelve classes named ? 
8%. What classes depend on the number of stamens? 
83. Repeat the names of the first twelve classes. Be 
3 as: 
