Proceedings of the Ohio State Academy of Science. 299 



GLOSSARY. 



Acuminate — Tapering gradually to the apex. 



Acute — Sharp-pointed. 



Anastomosing — Connecting so as to form a network. 



Annual — Living but one year ; yearly. 



Annulus — The ring of cells partly or completely surrounding 



the sporangium. 

 Antheridium — The male organ of reproduction ; a spermary. 

 Asiphonogamic - — Not with a pollentube but having the sper- 



matozoids discharged from the antheridium. 

 Archegonium — A female organ of reproduction ; a special kind 



of ovary. 

 Areola — A space enclosed by anastomosing veinlets. 

 Areolate — Mapped off into small areas, or areolae. 

 Ascending - — Growing obliquely upward. 

 Auricled — With ear-like lobes or appendages. 



Bipinnate — Twice pinnate. 

 Bipinnatifid — Twice pinnatifid. 



Bisporangiate — Having both microsporangia and megaspo- 

 rangia 



Cambium — The cylinder of growing cells in some stems. 



Carinate — With a keel or longitudinal ridge. 



Caudate — Tailed ; pointed like a tail. 



Cell — The unit of plant and animal structure ; usually consist- 

 ing of a small mass of protoplasm containing a nucleus and 

 with a cell wall. 



Chlorophyll - — The green coloring matter of plants. 



Chloroplasts — The minute green, chlorophyll-bearing color 

 bodies in the cell of a plant. 



Ciliate — Provided with marginal hairs ; having cilia. 



Circinate — Rolled inward from the apex. 



Clavate — Club-shaped. 



