PASaiFLOBALEa. 



531 



■with parietal placentae (sometimes three or more celled by 

 the produced placentae). 



Order Datiscacese.— A curious order of four species, one of winch, 

 Datiaca glomerata, occurs in. California. 



Order Begoniaoese.— A tropical order of 350 species of herbs, mostly 



Figs. 461-5.— Illustkations op Cuodmis Mblo. 



Fio. 464. 



Fig. 461.— Male flower, vertical eection. 

 Fig. 462. — Female flower, vertical section. 

 Fig. 464.— Diagram of male flower. 



Fig. 463.— AndroBCium. Magnified. 

 Fig. 465. — Diagram of female flower. 



American, represented in green-houses and conservatories by many 

 species of the principal genus Begonia — e.g., B. Bex, B. Evansiana, B. 

 fuehaioides, etc. 



Order Cucurbitacese. — ^The Gourd Family. Herbs or undershrubs 

 with climbing or trailing stems and diclinous flowers ; placentae pro. 

 duced to the axis of the ovary and revolute. Species 470, mostly 

 tropical. (Figs. 461-5.) 



