146 PLANTS. 



SYNOPSIS OF CLASSES. 

 Monan'dria, one stamen to each flower. 

 Dian'dria, two stamens. 

 Trian'dria, three stamens. 

 Tetran'dria, four stamens. 

 Pentan'dria, five stamens. 

 Hexan'dria, six stamens. 

 Heptan'dria, seven stamens. 

 Octan'dria, eight stamens. 

 Ennean'dria, nine stamens. 

 Decan'dria, ten stamens. 



Dodecan'dria, from eleven to seventeen stamens. 

 Icosan'dria, many stamens inserted in the calyx. 

 Polyan'dria, twenty stamens and upwards inserted in the 



receptacle. 

 Didyna'mia, four stamens in one flower, two longer thaz 



the rest. 

 Tetradyna'mia, six stamens in one flower, two shorter than 



the rest. 

 Monadel'phia, the filaments connected in the form of a 



tube. 

 Diadel'piiia, the filaments forming two parcels. 

 Polydel'phia, the filaments forming several parcels. 

 Syngene'sia, the anthers formed into a tube. 

 Gynan'dria, the stamens united with the pistil. 

 Monce'cia, stamens and pistils in separate flowers, but in one 



plant. 

 Dice'cia, stamens and pistils in separate plants. 

 Polyga'mia, stamens and pistils separate in some flowers 



and united in others, either in the same plant or two or 



three diflerent ones. 

 Cryptoga'mia, flowers inconspicuous or invisible to the 



naked eye. 

 Agrostog'raphy (Gr. ap'dstls, grass, and graplie, a descrip- 

 tion). — A description of i\\Q grasses. 

 Anthol'ogy (Gr. nnthos, a flower, and logos, a discourse). — A 



discourse on Jloicers. 

 Botanol'ogy (Gr. hofane, a plant, and logos, a discourse). — A 



discourse on plants. 

 Bryology (Gr. brnon, moss, and logos, a discourse). — The 



natural history of mosses. 



