LXXVI. ROSACES. 



377 



Cotoneaster. 

 Carpel, ripe and cut vertically (mag.). 



Cotoneaster. 

 Frnit cut vertically (mng.). 



Petals 5. Stamens numerous. Ovaries 5, sometimes 3, 2, 1, adnate to the recep- 

 tacular cupule, 1 -celled, 2-pluri-ovuled ; ovules ascending ; styles as many as 

 ovaries, free, or coherent by their base. Fruit formed by the carpels and the suc- 

 culent receptacular cupule, crowned by the calyx-limb or its scar, with 5 cells or 

 fewer, enclosing 1, 2, or several seeds ; pericarp bony, indehiscent, perforated at the 

 base ; or cartilaginous or membranous, partially opening on the side of the axis. 

 Seed ascending ; radicle inferior. 



*Pyrus. 



'Cotoneaster. 



*Cratsep;us. 



Malus. 



*Eriobotr3 r a. 



*Aronia. 



PRINCIPAL GENERA. 



*Sorbus. *Mespilus. 



*Photinia. 

 Osteoineles. 



*Raphiolepis. 



*Cydonia. 

 *S tran vaesia. 



TEIBE II. ROSE^J, D.C. 



Rose. Flower cut vertically (mag.). 



Sweetbriar. (Rosa rubiyinosa.) 



Rose. 

 Yonng carpel (mag.). 



