14 



15. Embryo of seeds large. Trees or shrubs with a milky juice. 



SAPOTACE,E. p. 220. 

 Embryo small. 



Stamens as many as the divisions of the corolla. 



AQUIFOLIACKJB. p. 218. 

 Stamens twice as many as the divisions of the corolla. 



EBENACEJS. p. 219. 



MONOPETALOUS CALYCIFLORAL EXOGENS. 



16. Calyx adherent to the ovary. 17 

 Calyx free from the ovary or ovarios. 



Leaves with minute stipules. Stamens five. Petals five. Ovary 

 consisting of three or five carpels. Leaves alternate, entire. 

 Calyx tube enlarged. Australian herbs or somewhat shrubby 

 plants. STACKHOUSIACE.K. 



Leaves without stipules. 



Carpel, one to each flower. Stigma with a cup-like covering. 



Leaves radical. Australian herbs. BRUNONIACE.*:. 

 Capsules more than one. 



Carpels distinct. Leaves commonly fleshy. CRASSULACEJE. p. 137. 

 Carpels combined into a single ovary. 



Flowers perfect. STYRACACE^E. p. 220. 



Flowers imperfect, some staminate, some pistillate. Trees with a 

 milky juice. PA PAY ACE. K. 



17. Ovary with three cells, but only one of them productive, there 

 being a single ovule in the fertile cell. Fruit a single achene 

 with the rudiments of two others. Stigmas two or three. 



VALERIANACE.*:. p. 177. 



Ovary consisting of two or more productive carpels. 19 

 Ovary consisting of a single carpel with one ovule. 



