Proceedin_^s of the Ohio State Academy of Science 181 



Carpellale. Having only carpels, or carpellate flowers. 



Catkin. Same as ament. 



Cauline. Pertaining" to the stem. 



Chafif. Dry thin scales. 



Chlorophyll. The green coloring matter of plants. 



Choripetalous. Having the petals separate or free. 



Ciliate. Provided with marginal hairs. 



Ciliolate. Minutely ciliate. 



Conduplicate. Folded lengthwise. 



Cone. A primitive flower as the carpellate cone of the pine. 



Connate. Similar organs more or less united. 



Convolute. Rolled around or rolled up longitudinally. 



Cordate. Heart-shaped. 



Coriaceous. Leatherj-. 



Corolla. The inner set of sterile, usually colored, floral leaves ; the 



whole set of petals. 

 Cot\-ledcn. A kaf-like- organ cf the embryo in the seed. 

 Crenate. With rounded teeth. 

 Crenulate. Minutelj^ crenate. 

 Cuneate. Wedge-shaped. 

 Cuspidate. With a sharp stiff point. 

 Cyme. An inflorescence of the determinate type, the central flower 



developing first. 



Deciduous. Falling away at the end of the growing period. 

 Decompound. More than once compound. 



Decurrent. Applied to an organ extending along the side of another. 

 Dehiscence. The opening of an ovular}-, sporangium, or pollen sac for 



the discharge of the contents. 

 Deltoid. Broadly triangular. 

 Dentate. With outwardly projecting teeth. 

 Diadelphous. Having the stamens united into two sets. 

 Diaphragm. A septum or transverse plate in the pith or other parts. 

 Dichotomous. Two-forked. 

 Didymous. Twin-like. 



Digitate. Diverging like the spread fingers. 

 Dioecious. Having the microsporangiate or staminate flowers and the 



megosporangiate or carpellate flowers on separate plants. 

 Dissected. Divided into manj' segments. 

 Divided. Cleft to the base or to the midrib. 

 Drupe. A simple usually indehiscent fruit with fleshy exocarp and 



bony endocarp. 

 Dwarf branch. A highly specialized and reduced shoot on a twig, as 



in the pine and larch. 



