326 GLOSSARY 



Cotyledon. A seed leaf or leaves. 



Cross Fertilization. The action resulting from the deposit of 



the pollen of one flower on the stigma of another. 

 Cyme. A flattish flower cluster with the blossoms unfolding 



from the center outwards. 



Deciduous. Not persistent. 



Dicotyledonous. With two cotyledons. 



Dioecious. Staminate and pistillate flowers borne on different 



plants of the same species. 

 Disk. A thickened circle of cellular tissue about the base of 



the stamens and around the ovary. 



Fertile. Productive. 



Gland. A secreting surface or structure. 

 Glaucous. Covered with a bloom. 



Herb. With the above-ground stems living but one season. 



Involucre. Bracts surrounding a single flower or a flower clus- 

 ter or head. 



Lanceolate. Much longer than broad. The widest portion is 

 below the middle, and the leaf tapers towards either end. 



Monocotyledonous. With but one cotyledon. 

 Monoecious. Separate staminate and pistillate flowers on the 

 same plant. 



Node. The joints on the stem where a leaf or whorl of leaves 

 would naturally grow. 



Oblanceolate. The broadest portion of the long leaf nearest the 



apex and tapering to either end. 



Oblong. Longer than broad, and with sides nearly parallel. 

 Obovate. Egg-shaped, with broader portion nearest apex. 



