In a message dated 6/15/2010 12:18:09 P.M. Eastern Daylight Time, pbs-request@lists.ibiblio.org writes: Forgive me gentlemen or ladies , but because I am a botanical layman, much of the nomenclature being used is over my head. While I can google the terms for definitions, it would be immensely helpful , when using advanced terms , if a definition or two can be thrown in. C Geathers