THE KATTJBAI. SYSTEM. 255 



22. Dioecia, the flowers with stamens only on one 



plant, and the pistils on another. 



23. Polyyamia. Some of the flowers have stamens 



only, and some have pistils only, others with 

 both stamens and pistils, either on the same 

 plant or on two or three distinct ones. 

 These four classes are omitted by modern bota- 

 nists, and the plants belonging to them are 

 included in the other classes according to the 

 number of their stamens. 



24. Oryptogamia, plants destitute of the flowering 



organs, as ferns, mosses, &c. 

 The foregoing are the classes, and each class was 

 divided into separate orders. 



THE OEDEBS. In the first thirteen classes the 

 orders were founded entirely on the number of pistils 

 in each flower. Thus, Monogynia, having one pistil ; 

 Digynia, 2 ; Trigynia, 3 ; Tetragynia, 4; Pentagynia, 5 j 

 Hexagynia,6; Heptagynia, 7; Octogynia, 8; Decagynia, 

 10 ; Polygynia, many pistils. 



The orders in the fourteenth class were founded on 

 the seed-vessel. They are 1, Gymnospermia, having 

 seeds (four) apparently naked ; and 2, Angiospermia. 

 having the seeds enclosed in a distinct seed-vessel or 

 capsule. 



The orders of the fifteenth class are likewise two 



