United Online Inc. completed its purchase of florist company FTD Group Inc. for $441 million. The acquisition by Woodland Hills-based United Online diversifies its revenue sources and opens up new marketing opportunities by cross-selling FTD products through United Online’s Internet services. FTD shareholders received cash and shares of United Online stock. The acquisition was financed by lines of credit with Wells Fargo Bank and Silicon Valley Bank, and with cash. Shares in United Online closed up at $10.93.