CLASSES OF LINNi^^'.US. 



25 



,(n. 



Xumber of Stamens, and 

 their position, relative to<! .„ 

 the Calyx and Receptacle, i 



ICOS-ANDRIA,* 



(Eikosi.) 20 



PdLY-ANDEIA, 



(Polus.) many. 



Over ten Stamens inserted on 

 the Calyx. 



Over ten Stamens inserted 

 on the Receptacle. 



Fiff. 7. 



The two following classes are named by prefixing Greek numer- 

 als to Dynamia, which signifies power or length. 



S Two Stame7is longer or more 

 ( poicer/ul than the other two. 

 Four Stamens longer or more 

 powerful than the other two. 



Number and relative 

 length of Stamens. 



13. Dl-DYNAMIA, 



14. Tetra-Dynamia, 



Fig. 8. 



The two following classes are named by prefixing Greek numer- 

 als to the word adelphia, which signifies brotherhood. 



f , - i\T„. . ^ „ . . S Stamens Jinited by their .filaments 



I !"• Mon-adelphia, I .^ ^,^^ ^^^ ^,. brotherhood. 



I 16. DiA-DELPHiA, Two brothcrlwods. 



\ The next class is named by prefixing Syn, signify- 

 1 ing together, to Genesia, which signifies growing up. 

 1X7. Syn-genesia, Five united anthers, Jlowers compound. 



Connexion of Sta- 

 mens either by fila- 

 ments or anthers. 



Fig. 9. • 



The next class i? named by an abbreviation of the word gynia, 

 which signifies pistil, prefixed to andria, showing that the stamens 

 and pistils are united. 



fl8. Gyn-andria, Stamens growing out of the Pistil. 



The two following classes are named by prefix • 

 Position of Stamens] ^^S numerals to (ecia, which signifies a house, 

 relative to the Pistil, ^g, Mon-ckcia, 



20. Dl-CECIA, 



5 Sta7ncns and Pistils on separate corollas 

 ( upon the same plant, or in one house. 

 ^ Stamens and Pistils in separate corollas 

 I upon different plants, or in two houses. 



* The name of this class does not now designate its character, since the number of 

 stamens is often more or less than twenty. 



Classes which depend'onthe number of stamens— those which depend on number 

 and position— number and relative length— What classes depend on the connexion of 

 the stamens?— Explain the signification of their names— What classes depend on the 

 position of the stamens 7— What does Gynandria signify 7- Moncecia 7— Dia^cia I 

 3 



