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DOMESTIC BOTANY. 



Class XX. — GrYNATTDRTA {gyne, a woman, andria, 

 a man). Stamens and jyistil home on a column. 



Order. — Monandria. Ex. The whole of the Orchis 

 family. 



Stamens in one flotver, and pistils in 

 another. 



Class XXI. — MONCECIA (monos, one, oikos, house). 

 Stamens and pistils in separate flowers home on the 

 same plant. 



Order. — Triandria. Ex. Buckweed, sedges, Indian 

 corn. 



Order. — Tetrandria. Ex. Eirch, box, nettle, 

 auciiba. 



Order. — Pentandria. Ex. Prince's feather. 

 Order. — Hexandria. Ex. Cocoa-nut and other 

 palms. 



Order. — Polyandria. Ex. Begonia, hurnet. 

 Order. — Monodelphia. Ex. Gourds, bryony, 

 palma Christi. 

 Class XXII. — DICECIA {dis, twice, oikos, house). 

 Stamen and instil flowers on separate plants. 



Order. — Diandria. Ex. Willow, vallisneria. 

 Order. — Triandria. Ex. Date-palm. 

 Order. — Tetrandria. Ex. Mistleto, sea-buck- 

 thorn. 



Order. — Pentandria. Ex. Hop, spinach, hemp. 

 Order. — Hexandria. Ex. Oil palm, doum-palra, 



Palmyra palm. 

 Order. — Oetandria. Ex. Poplar. 

 Order. — Polyandria. Ex. Zamia, cycas. 

 Class XXIII. — POLYGAMIA {polys, many, gam os, 

 marriage). Stamen and pistil flowers separate, or with 

 hermaphrodite flowers on the same or on separate plants. 



