GREAT MILLS, Md. – Little Flower School will host its annual spring benefit auction, with a theme of “Shipwrecked! Pirates and Mermaids” March 1 from 5-10 p.m. at the school.Tickets, which are $100 for one and $175 for couples, include a Southern Maryland-style dinner by Rita B. Catering, drink specials, silent and live auctions, games…