XIV CLASSES AND ORDERS OF LINN/EAN SYSTEM. 



The Orders of the first thirteen Classes are founded oa the number of 



Styles in each flower ; 



MoNOGYNiA, I Style; Digyni.v, 2; Trigynia, 3 ; Tetuagynia, 4; 

 Pentagynia, 5 ; Hexagynia, 6 ; Heptagynia, 7 ; Octagynia, 8 ; 

 Decagynia, 10 ; Polygynia, many Styles. 



The Orders of the 14th Class are two ; 



1. Gymnospermia, Seeds 4, apparently naked. 



2. Angiospermia, Seeds in a distinct seed-vessel. 



The Orders of the 15th Class are two ; 



1. SiLicuLosA, Seeds in a short Pod, or Pouch. 



2. SiLiQuosA, Seeds in a long Pod. 



In the 16th, 17th, and 18th Classes, the Orders are founded on the 

 number of Stamens in each set. 



Triandria, 3 ; Pentandria, 3 ; Decandria, 10 ; &c., in each set. 



The Orders of the 19th Class are three, and are founded on the structure 

 of the flower, which is compound; 



1. iEquALis, All \\\Q florets perfect. 



2. SupERFLUA . t -F/orefs of the cfzs/c perfect ; of 



' \ the ray, with Pistil only. 



C Florets of the disk perfect ; of 



3. Frustbanea, < the rrty, with neither Stamen 



(J nor Pistil. 



The Orders of the 20th Class are founded on the number of the 



Stamens ; 



MONANDRIA, 1 ; DiANDRIA, 2 ; &C. 



The Orders of the 21st and 22d Classes are founded on the number, 

 union, and situation of the Stamens ; 



MoNANDRIA, DiANDRIA, &C. MoNADELPHIA, &C. 



The Orders of the 23d Class are three, and are : 



MoNOECiA, united flowers accompanied with barren, or fertile ones, 

 or both, all on one plant ; Dioecia, the same, on two different plants ; 

 Trioecia, the same, on three different plants. 



The Orders of the 24th Class are Natural Orders or Families. 



1. FiLicEs; 2. Musci. 5. Charace^. 



Subord. 3. Hepatic^. 6. Alg.e. 



1. Lycopodine^. 4. Lichens. 7. Fungi. 



. 2. Marsileace^. 

 , 3. EyuisETACE.i:. 



