CLASSES AND ORDERS. 
XI 
The Orders or Subdivisions of the first 13 Classes depend 
on the number of styles, and are named as follows :— 
Order 1.— Monogynia, includes all flowers with 1 style. 
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- - j - ; - 
2.— Digynia 
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„ 2 styles. 
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3. — Trigynia 
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„ 3 
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4.— Tetragynia 
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„ 4 
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5. — Pentagynia 
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„ 5 
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6 . — Hexagynia 
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„ 6 
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7.— lleptagynia 
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„ 7 
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8. — Octagynia 
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„ 8 
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9. — Fnneagynia 
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„ 9 
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10. — Decagynia, 
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„ 10 
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11. — Dodecagynia 
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„ 11 
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12. — Icosagynia 
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13. — Polygynia 
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many 
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The 14th Class has 2 Orders. 1 .—G-ymnospermia, 
seeds naked. 2.— Angiospermia, seed in capsules. 
The 15th Class has 2 Orders. 1.— Siliculosa, pod 
short. 2.— Siliquosa, pod long. 
The 16th, 17th, 18th, 20th, 21st, and 22nd Classes. In 
these the Orders are determined by the number of their 
stamens; that is, by the same characters as the first 13 
Classes whose names they bear. 
The 19th Class has 5 Orders. 1.— Fqualis. 2.— 
Superflu a. 3.— Frustanea. 4.— Necessaria. 5.— 
Segregata. 
