Ch. XXIII.] CLASSES AND ORDERS. 137 



CLASS X. DECANDRIA, ten stamens. 

 ORDER 1. MONOGYNIA, one pistil. 



Fig. 81. 579. This cut represents at a, a flow- 



er of the genus Ruta, (rut;) its calyx 

 is monosepalous ; it has five petals; 

 the germ is large and superior. 



At & is a flower of the Saxifraga ; 

 one species of this, sometimes called 

 beef-steak geranium, is a very common 

 and hardy green-house plant, with 

 creeping roots and roundish hairy 

 leaves. 



At c is a flower of the genus Lvdum ; 

 this corresponds with the Saxifraga 

 in the number of its petals ; it is in 

 some parts of Europe valued as a me- 

 dicinal plant. 



5SO. In the tenth class, are to be found the wintergreen and 

 the whortleberry ; which are well known to children ; the for 

 mer for its pleasant tasted leaves, and fine red berries, and the 

 latter for its fruit. You must seek for these flowers, they are , 

 very pretty, and easy TO analyze. 



581. This class has several orders; the second order contains 

 the pink and some other interesting flowers. The tenth order 

 has the poke-weed, a high- plant, which you find so common by 

 the waysides, with long, broad leaves, and purple berries. 



579. What does Fig. 81 at a represent 7 



580. What is said of the wintergreen and whortleberry 1 ? 

 5L What is said of the other orders of this class 1 



