The Harvard Botanical Club is pleased to welcome its 2011 Distinguished Speaker, Dr. Donald H. Pfister, Asa Gray Professor of Systematic Botany, Curator of the Farlow Library and Herbarium, and Dean of Harvard Summer School. on Monday, April 4, in the Haller Lecture Hall, Room 102, Harvard Museum of Natural History, 24 Oxford Street, Cambridge. Dr. Pfister will speak on William G. Farlow and His Influences on Botany, Academics, and Amateurs. For complete information, maps and parking directions, log on to www.rhodora.org.