ROSACE^E. 185 



Rosete. 



Rosacete with the tube of the calyx urceolate, and the 

 divisions spirally imbricate in aestivation, the Fruit is a 

 cynarrhodon. 



Shrubs with prickly or naked stems and pinnate 

 leaves. 



Geographical Relations. Northern hemisphere alone. 

 Properties. Fragrance and astringency. 



Officinal Plants. 



Rosa canina. 

 Rosa centifolia. 

 Rosa gallica. 



Pomea. 



Rosacece with a superior calyx ; indefinite stamens in- 

 serted in a ring in the throat of the corolla. Ovaries 

 from 1-5, adhering more or less to the sides of the 

 calyx and each other ; styles from 1-5 ; stigmas simple. 

 Fruit a pome 1-5-celled. The endocarp is either carti- 

 laginous, spongy, or bony. 



Trees or shrubs with simple or compound stipulate 

 alternate leaves. Flowers in terminal cymes, white or 

 pink. (Lind.) 



Geographical Relations. Temperate zone, and found 

 exclusively in the northern hemisphere. 



Properties. The fruits of different species are eaten, 

 but some, especially when uncultivated, are harsh and 

 acid. 



Officinal Plant. 



Cydonia vulgaris. (Pyrus cydonia) 

 R 3 



