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EXPIASTATIOXS FOR THB PRBCEDIKG PlftE. 



Mon. Monogynia, 1 style/ or 1 sessile stigma. 



Dig. Digynia, 2 styles, &c. 



Tri. TrigjTiia, 3 styles, &c 



Tet. Teti-agynia, 4 styles^ Sec. 



Pen. Pentagynia, 5 styles, &c. 



Hex. Hexagynia, 6 styles, &c. 



Hep. Heptagynia, 7 styles, &c. 



Dec. Decagynia, 10 st3ies, 8ic. 



Pol. Polygynia, more than 10 styles, &c. 



Gym. Gymnospermia, seeds naked. 



Ang. Angiospermia, seeds in capsules. 



Silic. Siliculosa, having pods whose length and breadth are 



nearly equal. 

 Siliq. Siliquosa, having pods whose lengtlis are more than 

 double their breadths. 



In the 16th, 17t]i, 19th, 20th, 21st classes, the names and 

 characters of preceding classes are taken for orders. In 

 which, Mon. Monandria. Dia. Diandria. Tri. Triandria. 

 Tet. Tetrandria. Pen. Pentandria. Hex. Hexandria. Oct. 

 Octandria. Dec. Decandria. Pol. Polyandria. Mon. Mon- 

 adelphia. 



In the 18th class. 1. Pol. ^q. Polygamia Squalls. 2. 

 Pol. Sup. Polygamia Superflua. 3. Pol. Frus. Polygamia 

 Frustranea. 4. Pol. Nee. Polygamia Necessaria. 5. Pol. 

 Seg. Polygamia Segregata. 



The 1st order in the 18th class is distinguished by having 

 all the Jlorets perfect. The 2d, by having those of the disk 

 perfect, while those of the ray are pistiDate. The 3d, by hav- 

 ing those of the disk perfect, while those of the ray are neu- 

 ti'al. The 4th, by having those of the disk staminate, while 

 those of the ray ai'e pistillate. The 5th, by having the flor- 

 ets all perfect, while each floret has a. perianth ofits own. 



In the 22d class, the orders are distinguished by natui'al 

 family characters. 1. Filices, (ferns) v/hich bear fruit on 

 the back of the leaves, or in which some part of the leaves 

 seem as it were metamorphosed into a kind of fruit-bearing- 

 spike. The appendix to this order includes tlie Pteriodes, 

 which bear fruit on a peculiar appendage. 2. Jifusci, (mos- 

 ses) which bear, on leafy stems and branches, one-celled cap- 

 sules, opening at tlie top, where they are covered by a pecu- 

 liar lid. 3. Hepaticae, (liverworts) which bear, on herbaceous 

 fronds, four-celled capsules opening with four valves. 4. 



