by Connie Oswald Stofko Traditional poinsettias are still a welcome sight, but “the Princettia variety is becoming more and more popular,” said Mark Yadon, vice president at Mischler’s Florist and Greenhouses, 118 South Forest Rd., Williamsville. “Princettias are compact, mounded plants,” Yadon said. “The flowers are smaller, but more abundant.” A traditional poinsettia has larger flowers, but there are fewer of them. An aside about poinsettia flowers: What we call flower petals on poinsettias aren’t really petals. They’re bracts, which…...