372 THE PLANT PHYLA 



Family 268. Anacardiaceae. Sumachs. Trees and 

 shrubs with alternate pinnate leaves; 

 and small flowers with superior or 

 inferior, 1 to 5-celled pistil. Rhus, 

 Mangifera, Cotinus. 



Family 269. Juglandaceae. Walnuts. Trees and 

 shrubs, with alternate, pinnate leaves; 

 and small much reduced flowers 

 with inferior, 1-celled pistil. Juglans, 

 Hicoria. 



Family 270. Betulaceae. Birches. Trees and shrubs 

 with alternate, pinnate leaves, and 

 diclinous flowers in aments; pistil 1 

 to 2-celled, superior or inferior. 

 Betula, Alnus, Corylus, Ostrya, Car- 

 pinus. 



Family 271. Fagaceae. Beeches. Trees and shrubs 

 with alternate, pinnate leaves and 

 diclinous flowers in aments; pistils 2 

 to 6-celled, inferior. Fagus, Castanea, 

 Quercus. 



Family 272. Myricaceae; 273, Julianaceae; 274, Pro- 



teaceae. 



Order UMBELLALES. Flowers regular, usually perfect, 

 disk adherent to the mostly bicar- 

 pellary pistil which is inferior and 2- 

 celled; ovules 1 in each cell. 



Family 275. Araliaceae. Ginsengs. Mostly trees 

 and shrubs; pistil 2 to 15-carpellary; 

 fruit a berry. Aralia, Hedera, Panax. 



Family 276. Apiaceae. Parsleys. Mostly herbs; 

 pistil bicarpellary; fruit dry, splitting 

 vertically; inflorescence umbellate. 

 Sanicula, Coriandrum, Apium, Cicuta, 

 Pastinaca, Foeniculum, Ferula, Hera- 

 cleum, Daucus. 



Family 277. Cornaceae. Cornels. Mostly shrubs and 

 trees with usually opposite leaves; 

 pistil 2 to 4-carpellary; fruit a drupe. 

 Cornus, Nyssa. 



