CLASSIFICATION OF DICOTYLEDONS. 



187 



glauca) of the Atlantic States, and the cucumber-tree (M. 

 acuminata) ; the great magnolia (M. grandijlora) is not hardy 

 in the northern states. 



The sweet-scented shrub (Calycanthus) (Fig. 100, G) is the 

 only member of the family Calycanthacece found within our 



FIG. 100. Types of Aphanocyclse (Polycarpse) . A, branch of papaw, Asimina 

 (Anonacess), x %. B, section of the flower, x 1. C, flower and leaf of tulip- 

 tree, Liriodendron (Magnoliacese) , x %. Z>, section of a flower, x %. E, a 

 ripe fruit, x l. F, diagram of the flower. G, flower of the sweet-scented 

 shrub, Calycanthus (Calycanthacese), x% 



limits. It grows wild in the southern states, and is cultivated 

 for its sweet-scented, dull, reddish flowers. 



The barberry (Herberts) (Fig. 101, A) is the type of the 

 family Berberidece, which also includes the curious mandrake 

 or may-apple (Podophyllum) (Fig. 101, D), and the twin-leaf 

 or rheumatism-root (Jejfersonia) , whose curious seed vessel is 

 shown in Figure 101, G. The fruit of the barberry and may- 

 apple are edible, but the root of the latter is poisonous. 



