TO BOTANY. 71 



genera, viz. Scleranthus, Trianthema, Chrysosple- 

 nium, Royena, Hydrangea, Saxifraga, Tiarella, Mi- 

 tella, Cunonia, Gysopphila, Saponaria, and Dian- 

 thus. 



ORDER III. TRIGYNIA, comprehending such 

 plants as have three Styles. Of this order there are 

 eleven genera, viz. Arenaria, Stellaria, Cucubalus, 

 Silene x Cherleria, Deutzia, G^ridella, Erythroxylon, 

 Malpighia, Banisteria, an* Triopteris. 



ORDER IV. PENTAGYNIA, comprehending such 

 plants as havejfoe Styles. Of this order there are 

 fourteen genera, viz. Cotyledon, Sedum, Penthorum, 

 Bergia, Oxalis, Lychnis, Spergula, Cerastium, A- 

 grostemma, Spondias, Averrhoa, Grielum, Suriana, 

 and Forskohlea. 



ORDER V. DECAGYNIA, comprehending such 

 plants a, have ten Styles. Of this order there are 

 two genera, viz. Neurada, and Phytolacca. 



CHAP. XIV. 



OF THE ELEVENTH CLASS DODECANDRIA. 



THIS class, notwithstanding its title, which is ex- 

 pressive of twelve stamina, consists of such plants as 

 bear hermaphrodite flowers, furnished with any num- 

 ber of stamina from twelve to nineteen inclusive*. 

 The orders are five, viz. 



ORDer I. MONOGYNIA, comprehending such 

 plants as have but one Style. This order contains 

 twenty-four genera, viz. Bocconia, Hudsonia, Asa- 



* Tormentilla is an exception, belonging to the next class, 

 though it has but sixteen stamina. The characters of the fruc- 

 tification in the next class over-rule the number of th* male 

 part expressed in its title. 



E 4 



