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ft GENERA OF CLASS XIII. POLYANDRIA. 



CHAP. XVL 



OF THE THIRTEENTH CLASS, POLYANDRIA* 



THIS class consists of such plants as bear bisexual flowers, fur- 

 nished with many stamina. The distinction between this clas*, 

 and the twelfth, may be known by having recourse to the cha- 

 racters of the twelfth class in the preceding chapter. The or- 

 ders are six, containing eighty-six genera, viz. 



Order 1. Monogynia, comprehending such plants as have but 

 one style. This order contains forty -nine genera, distinguished 

 into, 1. Such as have one petal, of which there are three genera, 

 viz. Swart i a . . . Marcgrav i a . . . and Ternstrcemia. 2. Three-pe- 

 talled, of which there is one genus, Trilix. 3. Four-petalled, of 

 which there are nine genera, viz. Cappahi* (capenj... Actjea 

 (herb Christ aplier) ...Chelidonium (celandinej... Vap aver (poppy). .. 

 Sarracena. . . Mammea . . .Sparmannia. ..CALOPHYLLUM...and Gkias. 

 4. Such as have five petals, of which there are tiventy-one genera, 



Viz. OcHNA...TlLIA (lime £re<^...ElJEOCARPUS...ClSTUS...CoRCHQ'- 



rus... Loasa...Vallea... Sterbeckia... Bonnetia... Lignotis... 

 Freziera... Marila... Cistus... Lemniscia... Myrodendrum ... 

 Sarracenia... Aubletia... Ochna... Ascium... Grewia... Mun- 

 Ti??GEA...and Microcos. 5. Such as have six petals, which con- 

 tain five genera. ..Argemone (prickly poppy)... Lagerstykemi a. „ 

 Alangium...Thea (tea treej ...\uEcythis, 6. Such as have eight 

 petals, containing one genus only, Sanguinaria (puccoon). 7. 



* The fruits of this class are often poisonous; which makes it necessary to distin- 

 guish them from those of the last, which abounds with eatable fruits. ^ 



