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Glossary 



GLOSSARY. 



Achene. A small dry, one-seeded, one-celled indehiscent fruit. Ex. 



Seeds of common sunflower. 

 Acute, Terminating sharply in an angle of less than 90 degrees. 

 Aerial. Growing in the air. Referring to above ground organs or parts. 

 Akene. See Achene. 



Alternate. Not opposite; every other one. 



Alternate leaves. Leaves attached singly at intervals along the stem. 

 Annual. Flowering and fruiting the year it is raised from the seed and 

 then dying. 



Anther. The enlarged portion of the stamen containing pollen. See 

 page 258. 



Apex. Tip or upper part. 



Appendage. Any superadded part. 



Appressed. Lying against or close to another part. 



Aromatic. Fragrant, spicy; with an agreeable odor. 



Ascending. Growing obliquely upward or curving upward. 



Axil. The angle formed by a leaf and the stem. 



Axillary flower clusters. Flower clusters in the axils of the leaves. 



Axis. The part of the stem or branch which bears foliage leaves, 

 flowers or flower parts. 



Bark. The rind or outer covering of a stem outside of the wood. 



Basal leaves. Leaves attached at the base of the stem. 



Bearded. Bearing long hairs in tufts or over small areas. 



Berry. A fruit with a fleshy pericarp. A fruit which is fleshy through- 

 out. Ex. Tomato. 



Biennal. Growing from the seed one season, flowering and dying the 

 next. 



Bilabiate. Two-lipped. 



Blade. The flat expanded portion of a leaf. 



Bloom. The whitish powder on some leaves, fruits etc. as the "bloom" 



on cabbage. A powdery or waxy substance easily rubbed off. 

 Bract. A more or less modified leaf subtending a flower or flower 



cluster, usually smaller than the foliage leaves. The parts of the 



involucre of a composite flower. 

 Bud. An undeveloped shoot. An unexpanded flower. 

 Bulb. A bud consisting of fleshy scales as the onion or hyacinth. 



Usually subterranean. Ex. Bulb of the common onion. 

 Bur. A spiny fruit. Ex. Cocklebur. 



