PEOTANDRIA. 315 



CLASS 5. Pentandria. Stamens 5. A very large class. 

 Orders 6. 



1 . Monogynia. One of the largest and most important 

 Orders of the whole system. The genera are enume- 

 rated first artificially, according to the corolla being 

 of one petal or more, or wanting ; inferior or supe 

 rior ; with naked or covered seeds ; but stand in 

 the system according to their affinities, and compose 

 some natural orders ; as Asperifolice, rough-leaved 

 plants, which have a monopetalous inferior corolla, 

 and four naked seeds, with always more or less of 

 spinous bristles or callous asperities on their foliage; 

 see Borago, Engl. Bot. t. 36, Lycopsis, t. 938, 

 and Echium, t. 181. Next comes that most elegant 

 tribe of- spring plants denominated .Precice by Lin- 

 nreus, Primula, t. 4 6, Cyclamen, t. 548, the 

 charming alpine Aretia, and Androsace, Curt. Mag. 

 t. 743. These are followed by another Linnaean 

 order, nearly akin, called Rotacete, from the wheel- 

 shaped corolla, Hoftohia, Engl. Bot. t. 364, Lysi- 

 machia, t. 761. Convolvulus and Campanula, two 

 large well-known genera, come afterwards ; then 

 Lobelia, t. 140, Impatiens, t. 937, and Viola y 

 t. 619, 620, brought hither from the abolished 

 Linnaean order Syngenesia Monogamia. The Lu- 

 ridce foUow, so called from their frequently dark, 

 gloomy aspect,, indicative of their narcotic and very 

 dangerous qualities; as Datura, t. 1288, Hyos- 

 cyamus, t. 591, Atropa, t. 592, and Nicotiana, or 



