70 GENERA OF CLASS V. PENTANDRIA. 



CHAP. VIII. 



OF THE FIFTH CLASS, PENTANDRIA. 



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

 nished with five stamina. The orders are seven, 



Order 1. Monogynia, one pistillum. This order contains 208 

 genera, distinguished into, 1. Flowers monopetalous, inferior, one- 

 seeded, of which there are six genera; Mirabilis {Marvel of Peru) 

 ...Trtcatus...Plumbago...Weigelia...Quinchamala...Corymbi- 

 um. 2. Flowers monopetalous, inferior, two-seeded; Asperifolije, of 

 which there are two species ; Cerinthe (honey-wort) ...Messer- 

 schmidia. 3. Flowers monopetalous, inferior, four-seeded ; Aspe- 

 rifolije, of which there are twelve species. ..Echium (viper's bu- 

 gloss)... Heliotropium (turnsole) ... Pulmonaria ... Lithosper- 

 mum (gromioell) ... Onosm a ... Symphytum (comfrey) ...Borago 

 (borage) .... . Lycopsis... Bugloss.... Asperugo.... Cynoglossum 

 ( hound' s-tongue) ...Anchusa (alkanet) ... Myosotis (mouse-ear, 

 scorpions-grass). 4. Flowers monopetalous, inferior, jive-seeded, 

 of which there is one species; Nolana. 5. Flowers monopetalous, 

 inferior, ivith the seeds enclosed in a pericarp, of which there are 

 eighty-nine genera; Coris....Hydrophyllum (water- leaf)... Ga- 

 lax... Barreri a ...Cortusa ... Anagallis (pimpernel)... Lysima- 

 chia (loostrife) ...'Dor^na ... Cyclamen ( sow - br e ad) ...Dodec a- 

 theon (Meadia, or Virginia coru5^j?J...SoLDANELLA...LiTA.. .Pri- 

 mula (primrose) ... Androsace... Aretia... Bacopa... Hottonia 

 (water-violet ) ...Sheffieldi a . . .Men y anthes ( buck-bean). . . Alla- 

 manda Theophrasta Geniostoma Spigelia {worm- 

 grass) Sphenoclea.... Ophiorhiza... Retzia... Convolvulus 



(hi ad -weed )... Lisianthus.. .Datura. Hyoscyamus ( henbane) . . . 

 Nicotiana (tobacco) ....Verb ascum (mullein) Cheironia ... 



