284 THE KINDS OF PLANTS 



JJ. Fruit a single-winged samara or 1- 



seeded drupe: stamens 2 



Oleacew, p. 388 

 JJJ. Fruit not winged : 3-seeded : stamens 4 



Euphorhiacece, p. 319 

 II. Leaves alternate. 



J. Styles or stigmas 2 or 2-cleft: stamens 

 equal the calj-x-lobes and opposite 



to tliem Urticacew. p. 313 



JJ. Styles or stigmas 3, each 2-cleft: pod 

 3-celIed and 3-seeded: flowers 3- 

 parted: fruit a dry capsule: sta- 

 mens 8 to many .. .Eiiphorbiucece, p. 319 

 S'F. Plants herbaceous: fls. not in catkins or aments. 



G. Ovary inferior, 6-celled: stamens 6 or 12 



Aristolochiacece, p. 310 

 GG. Ovary superior, 1 -celled. 



H. Stamens indefinite Hanunciilacece, p. 323 



HH. Stamens few (4-12). 



I. Styles 2-3: stipules sheathing stem at 



nodes of the alternate leaves 



Poljjgonaceo', p. 317 

 II. Style single : stipules not sheathing 



stem Urficacece, p. 313 



GGG. Ovary superior, 3-celled Euphorhiaceif, p. 319 



Flowers characteristically polypetalous, generally 



showy. 

 F. Plants woody. 



G. The stamens numerous (more than 10). 

 H. Leaves alternate. 



I. Ovary 1, simple or compound, or ovaries 

 numerous: fruit a drupe or fleshy: 

 stamens distinct, inserted on the 



cup-shaped receptacle Rosacew, p. 353 



II. Ovaries many or numerous: stamens 



many, mouodelphous Malvacece, p. 340 



H. Leaves opposite: ovary single, 2-5-celled: 



fruit a dry capsule Sarifragacece, p. 301 



GG. The stamens 10, or less than 10. 



H. Stamens 2 (rarely or accidentally 3 or 4): 

 fruit a drupe, or 2-celled berry or 2- 



celled pod Oleacece, p. 388 



IIH. Stamens 5, alternate with petals: fruit a 



berry Saxifragacew, p. 361 



