GLOSSARY 



Abortive. Imperfectly or not developed; barren. 



Acicular. Slenderly needle-shaped. 



Accrescent. Increasing in size with age. 



Achene. A dry indehiscent, 1 -celled and 1 -seeded fruit or carpel. 



Acuminate. Gradually tapering to the apex; long-pointed. 



Acute. Sharply pointed, but not drawn out. 



Adnate. Descriptive of unlike organs or parts fused together. 



Alternate. Scattered singly along axis; not opposite. 



Ament. A scaly, bracted spike of usually unisexual flowers, fre- 

 quently deciduous in one piece. 



Angiosperms. Plants with seeds borne in an ovary. 



Anther. The pollen-bearing part of the stamen. 



Anther ozoid. Male sexual cells. 



Anthesis. The time when fertilization takes place or a flower 

 expands. 



Apetalous. Without petals. 



Apiculate. Ending in a minute, short, pointed tip. 



Apophysis. That part of a cone scale which is exposed when the 

 cone is closed. 



Appressed. Lying close and flat against. 



Arborescent. Attaining the size or character of a tree. 



Aril. An appendage or an outer covering of a seed, growing out 

 from the hilum or funiculus. 



Attentuate. Slenderly tapering; acuminate. 



Awl-shaped. Tapering from the base to a slender and stiff" point. 



Axil. The upper angle formed by a leaf or branch with the stem. 



Axillary. Situated in an axil. 



Baccate. Berry-like; pulpy throughout. 



Berry. A fleshy or pulpy fruit with immersed seeds. 



Blade. The expanded portion of a leaf. 



Bloom. A powdery or waxy substance easily rubbed off. 



Bole. The stem of a tree. 



Boss. A raised projection, usually pointed. 



Bract. A modified leaf subtending a flower or belonging to an 

 inflorescence. 



Bractlet. The bract of a pedicel or ultimate flower stalk; a sec- 

 ondary bract. 



Bud. The undeveloped state of a branch or flower cluster, with 

 or without scales. 



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