698 



SCIENTIFIC RECREATIONS. 



TABULAR VIEW OF CLASSES AND ORDERS continued. 



Classes. 



XIX. SYNGENESTA . 

 Five stamens, filaments free, 



anthers united, flower monope- 



talous, florets united on a disc. 



Compositas. 

 In the first four orders only a 



common calyx. 



XX. GYNANDRIA . 

 Stamens and pistil united. 



XXL MONCECIA . 

 Stamens and pistils in different 

 flowers on the same plant. 



XXIL DICECIA. 

 Stamens and pistils in different 

 flowers on different plants. 



Orders. 



Polygamia sequalia, florets all her- 

 maphrodite. 



Polygamia superflua, florets of the 

 disc hermaphrodite, those of the 

 ray pistilliferous and fertile. 



Polygamia frustranea, florets of the 

 disc hermaphrodite, those of the 

 ray neutral. 



Polygamia necessaria, florets of the 

 disc staminiferous, of the ray 

 pistilliferous. 



Polygamia segregata, a common calyx 

 including all the florets, and a 

 separate involucre for each. 



Monogamia, anthers united, flowers 

 not compound. 



Diandria . 

 Triandria . 

 Tetrandria . 

 Pentandria . 

 Hexandria . 

 Dec-andria . 

 Dodecandria 

 Polyandria 



. . two anthers 



. three do. 



. four do. 

 . five do. 



. six do. 



. ten do. 



.II 19 do. 

 tucn'y or more do. 



Monandria . . . one stamen 

 Diandria . . . . two stamens 

 Triandria . . . three do. 

 Tetrandria . . . four do. 

 Pentandria . . . five do. 

 Hexandria . . . six do. 

 Heptandria. . . seven do. 

 Polyandria . more than seven do. 

 Monadelphia stamens united 

 Syngenesia stamens united by 



their anthers. 

 Gynandria, stamens and styles united 



Monandria . 

 Diandria . 

 Triandria . 

 Tetrandria . 

 Pentandria . 

 Hexandria . 

 Octandria . 

 Enneandria 

 Decandria . 

 Dodecandria 

 Polyandria 



one stamen 

 two stamens 

 three do. 

 four 

 five 



do. 

 do. 



six do. 



eight do. 



nine do. 



ten do. 



1119 do. 



j . many do. 



Monadelphia stamens united in one 



bundle. 

 Syngenesia stamens united by the 



anthers. 

 Gynandria stamens and styles united 



Examples. 



Lactuca. 

 Aster. 



Helianthus. 



Calendula. 



Echinops. 



Orchis. 

 Aristolochia. 



Arum. 



Lemna. 



Carex. 



Urtica. 



Amaranthus. 



Ouercus. 

 Pinus. 



Salix. 



Ficus. 



Viscum. 



Cannabis. 



Loranthus. 



Populus. 



Laurus. 



Stratiotes. 

 Juniperus. 



