GLOSSARY 



accessory or reinforced fruits are those in which the ripened pericarp is 



combined with other parts, as with the torus or the calyx. 

 adventitious. Coming by chance or without order, as the sprouts that 



arise wliere a limb is cut off. 

 aggregate fruits are those in which several distinct pistils cohere to 



form one body, as in blackberry, raspberry, mulberry. 

 akene or achene. A one-seeded indehiscent fruit, usually small and 



seed-like. 

 analogous. Like to, in function or use. See homologous, 

 anemopkilous. Said of flowers that are pollinated by the wind. 

 annual. A plant that naturally does not live more than one year, as 



garden bean, pea, Indian corn, buckwheat, cowpea. 

 anther. The knob or enlargement of the stamen, bearing the pollen. 

 antheridium. The male or sperm-cell organ, such as occurs on the 



prothallus of ferns and similar plants. See archegonium. 

 apetalous. Without petals. 

 apical. At the top. 

 archegonium. The female or egg-cell organ on the prothallus of ferns 



and related plants. See antheridium. 

 assimilation. The building up of protoplasm from the materials elabo- 

 rated in the plant. 

 axil. The angle or place just above the petiole of a leaf (or pedicel of 



a flower) where it joins the twig. 

 berry. In botany, a fleshy pericarp containing a number of seeds, as 



current, orange, tomato, grape, cranberry, but not strawberry, 



blackberry, raspberry, or mulberry. 

 biennial. A plant that lives two years. It usually blooms the second 



year. 

 blade. The expanded part of a leaf 

 bract. A small or much-reduced leaf, often a mere scale. 

 calyx. The outer row or series in the floral envelope. The outer 



" leaves " of the flower, usually green. 

 cambiuTH. Growth tissue, lying between the bark-part and wood-part 



of the fibro-vascular bundle and giving rise to the cells of both. 



