Maclean Boyd walks in a circle around cards with the twelve months of the year to mark his third birthday. Students at Marin Montessori School planted a Fuji apple tree to commemorate the centennial founding of Montessori schools in Corte Madera, Calif. on Friday, Jan. 5, 2007.
 PAUL CHINN/The Chronicle
 **Maclean Boyd MANDATORY CREDIT FOR PHOTOGRAPHER AND S.F. CHRONICLE/ - MAGS OUT Photo: PAUL CHINN