DICOTYLEDONOUS PLANTS 



361 



well known on. our markets. It is of Asiatic origin and was car- 

 ried by the CriTsaders to the Mediterranean regions of Europe 

 and thence to America. It was brought to America by the 

 Spaniards at a very early date and was later found growing wild. 



Fig. 203. — Orange production. 



This misled the early explorers, who were for a time inclined to 

 believe it indigenous to America. 



Other important species are the shaddock (C. decumana 

 Willd. ) , the lemon ( C. medico, Linn. ) , and many others. 



Anacaediace.-e (Poison Ivy Family). — Shriibs or trees, 

 some of them climbing; leaves alternate; flowers small, regular, 

 perfect, dioecious or monoecious; sepals five to seven, united at 

 the base ; petals five, ■ or absent ; stamens five and alternate with 

 the petals; pistil with three styles, fruit a one-chambered, 

 one-seeded berry or drupe. Contains many plants which 

 are poisonous. 



