THE FLOWER: 



5th. Absetice. The four remaiiimg classes depend upon tlie 

 {ahsence of the stamens in a part or all of the flowers of the same 

 species. 



XXI, MoNCEciA {fjovog, oixog, an abode ),\includes plants 

 where the stamens and pistils are in separate flow- 

 ers, on the same individuah 

 XXII, DicLciA (dig, oiy-og"), hi Separate flowers on different 

 individuals." 



XXIII, PoLYGAMiA (tio^uj, many, ya^og, maniage),' where the 



stamens and pistils are separate in some flowers, 

 and united in others, either on the same or tw^o or 

 three diflerent jilants. ,'■ 



XXIV, Cryptogamia (y-gvuTog, concealed, ywwos), includes 



those genera of plants where the stamens and pis- 

 tils are wanting, or at least invisible, commonly 

 called Flowerless Plants.! (46 — 49.) 



a. Such are the twenty-four Linnean classes, ia which all the genera of the vege- 

 table kingdoip are included. Nolliing could have been moie simple tlian the first 

 eleven. To distinguish themi we have only to count the stamens.; The otlicr 

 classes are founded upon distinctions less simple, though ift general easy to be 

 understood. A good speoimeu flower of eacli class should Iicre be closely exam- 

 ined, to illustrate the definitions, and fix them in the memory. 



Tlie following sim]>le figures are emblematic of each class, to wliich the pujiil 

 is required to apply tlie appropriate numbers and names. 



