xiv GLOSSARY. 



achene ... ... a dry seed-like fruit, containing one seed. Not open- 

 ing. (Sunflower.) 



drupe ... ... a juicy fruit, the seed enclosed inside a hollow stone. 



herry ... ... a juicy fruit with one or more seeds, not enclosed in a 



stone. 



pyrene ... ... the hard or tough partial stone inside some fruits. 



micropyle ... a small hole leading through the coating of a seed. 



raphe ... ... the part along which the stalk of a seed is attached 



to it. 



hilum ... ... the scar left on a seed by separation from the stalk. 



endosper^n ... food material contained in some seeds round the 



embryo. 



cotyledons .. the first leaf or pair of smooth leaves of the seedling 



plant ; and formed in the seed. 



