GLOSSARY. 



Abortive. Defective or barren, through non-development of a part. 



Acuminate. Long-pointed. 



Acute. Ending with a sharp but not prolonged point. 



Adherent. Growing fast to ; adnate anther, attached for its whole 



length to the ovary. 

 Adnate. Essentiallv same as adherent, with the added idea of 



congenital adhesion. 

 Aggregate fruits. Formed by crowding together all the carpels of 



the same flower; as in the blackberry. 

 Ament. Name given to such flower-clusters as those of the willow, 



birch, poplar, etc. 

 Anther. The part of the stamen which bears the pollen. 

 Appressed. Lying close against another organ. 

 Ascending. Rising upward, or obliquely upward. 

 Axil. Angle formed on the upper side between the leaf stem or 



flower stem and the branch from which it springs. 

 Bract. Reduced leaf subtending a flower or flower-cluster. 

 Branches, primary. The leading or main branches thrown out 



directly from the trunk, giving a general shape to the head. 

 Branches, secondary. Xever directly from the trunk but from other 



branches. 

 Buttressed. Supported against strain in any direction by a con- 

 spicuous ridge-like enlargement of the trunk vertically to the 



roots. Several of these buttresses often give a tree a square 



appearance. 

 Caducous. Dropping off very early after development. 

 Calyx. The outer set of the leaves of the flower. 

 Campanulate. Bell-shaped. 

 Capitate. Head-shaped or collected in a head. 

 Capsule. A dry compound fruit. 

 Carpel. A simple pistil. 

 Catkin. See ament. 

 Ciliate. Margin with hairs or bristles. 

 Coherent. One organ uniting with another. 

 Compound. See leaf, ovary, etc. 



173 



