426 ICOSANDRIA, 



3. Trigynia is chiefly occupied by Reseda, 

 the Mignonette, t. 320, 321, and Euphor- 

 bia, t. 256, 883, &c., one of the most 

 well defined and natural genera, of which 

 the pimicea, Ic. Fict. t. 3, is a splendid 

 exotic species. 



4. Tetragi/uia, in Schreber and Willdenow^ 

 consists, of Calligoji urn, a genus illustrated 

 by L'Heritier in the Transactions of Linn, 

 Sociefi/, V. 1 ; and Aponogeton, already 

 mentioned p. 420. 



5. Penfagi/nia has Glinus, an insignilicant 

 genus ; and Blackwellia, a doubtfid one, 



6. Dodecagynia is exemplified in Semper^ 

 viviim, the Houselcek, [Engl. Bof. t. 1320, 

 whose styles vary from 12 to 18 or 20. 

 Seinperviviun sediforme, J acq. Horf. Vind, 

 f. 81, is a Sedum with a superabundance 

 of parts in the fructification. Linnaeus 

 confounded it with >S'. rupestre. 



Class 12. Icosandria. Stamens 20 or more, 

 inserted into the Calyx. Orders 3. 



1. Monogynia consists of fine trees, beai-ing 

 for the most part stone fruits, as the Peachy 



