TO BOTANY. C3 



CHAP. VIII. 



OF THE FIFTH CLASS PENTANDRIA. 



THIS Class consists of such plants as bear Herma- 

 phrodite flowers, furnished with five stamina. The 

 orders are six. 



ORDER I. MONOGYNIA, comprehending such 

 plants as have but one Style*. This order contains 

 one hundred and fifty-nine genera, distinguished into, 

 J. Those with monopetalous flowers placed below, 

 monospermous ; of which there are three, viz. Mi- 

 rabilis, Weigtea, and Plumbago. 2. Those with 

 monopetalous flowers, placed below, disperinous ; of 

 which there are two, viz. Cerinthe and Messerschini- 

 dia. 3. Those with monopetalous flowers placed be- 

 low, tetraspermous ; of which there are twelve, viz. 

 Echium, Heliotropium, Pulmonaria, Lithospermum, 

 Onosma, Symphytum, Borrago, Lycopsis, Asperugo, 

 Cynoglossum, Anchusa, and Aiyosotis. This and 

 the second section contain those plants which in na- 

 tural arrangements are called Asperifoliae. 4. Plants 

 with monopetalous flowers placed below, pentasper- 

 mous ; of which there is but one genus, viz. Nolana. 

 5. Plants with monopetalous flowers placed below, 

 angiospermous, the seeds contained in a capsule ; 

 of which there are seventy- four, viz. Coris, Hydro- 

 phyllum, Galax, Cortusa, Anagallis, Lysimachia, 

 Cyclamen, Dodecatheon, Soldanella, Primula, An- 

 drosace, Aretia, Hottonia, Menyanthes, Doncna, 

 Allemanda, Theophrasta, Sheffieldia, Retzia, Spigelia, 

 Oriphoriza, Convolvulus, Lisianthus, Patagonula, Da- 

 tura, Hyoscyamus, Nicotiana, Verbascum, Chironia, 

 Diapensia, Phlox, Polemoniurn, Ipomoea, Brosscea, 



* The berries of the monopetalous plants of this order are 

 for the most part poisonous. 



