LINXEAX CLASSES AXD ORDERS. 39 



SIXTH CLASS.— Hexandria. 



Stamens 6, of equal length. Flowers united. 

 Orders 6. 



Monogynia. Digynia. Trigynia. Telragyniu . 

 Hexagynia. Polygynia. 



1 . Monogynia is subdivided thus : 



"Flowers furnished with a regular calyx and 

 with a corolla : 

 Ex. Barberry, (Berberis.) 



* Flowers with a sheath : 

 Ex. Snow-drop, (Galanthus) and Narcissus. 



''Flowers destitute of a calyx, but furnished 

 with a corolla : * 

 Ex. Solomon's Seal, (Convallaria) and Hyacinth. 



'^Flowers furnished with a calyx, but destitute 

 of a corolla : 

 Ex. Rush, (Juncus.) 



2. Digynia: ex. Mountain-sorrel, (Oxyria.) 



3. Trigynia : ex. Dock, (Rumex.) 



4. Tetragynia. ^ 



The gi-eatcr part of the plants in this third subdivision are of the 

 natural order LUiacea:. All in the fourth, of the natural oi'der 

 Jnncece. 



