http://www.biology-online.org/dictionary/Cotyledon http://www.biology-online.org/dictionary/Cotyledon http://www.biology-online.org/dictionary/Cotyledon http://www.biology-online.org/dictionary/Cotyledon http://www.biology-online.org/dictionary/Cotyledon http://www.biology-online.org/dictionary/Cotyledon http://www.biology-online.org/dictionary/Cotyledon http://www.biology-online.org/dictionary/Cotyledon