228 THE STORY OF PLANT LIFE 
Axis.—A line through the centre of a plant theoretically denotes 
this in position. 
Bast.—The inner fibrous bark. 
Beak.—The tip or extremity, usually long, of an organ. 
Berry.—A succulent seed-vessel, with seeds enclosed in a pulp. 
Biennial.—Plants that do not flower the first, but the second 
year, producing only leaves in the first, and after forming seed, die 
down at the end of the second year. 
Bifid.—Divided into two parts halfway to the base. 
Bilocular.—With two cavities in the cell or loculus. 
Bipinnate.—When the leaflets on the secondary petioles of a 
doubly compound leaf are pinnate, and the secondary petioles are 
also. 
Bisexual.—When the male and female flowers are on the same 
flower. 
Bole.—The base of a trunk. 
Bract.—A modified leaf on a flower-stem. 
Bracteole.—Small bracts on the flower-stalk. 
Caducous.—Falling early. 
Czspitose.—Tufted, close. 
Calyx.—The outer whorl! of the perianth, made up of sepals. 
Campanulate.—Bell-shaped. 
Capitate.—With a swollen extremity, or head. 
Capitulum.—An inflorescence of several florets forming a head. 
Capsule.—A dry dehiscent fruit, many-seeded, 1-, or more, celled. 
Carina.—The two partly united petals in a pea, with a keel-like 
form. 
Carpel.—The innermost of the sets of floral organs, when of one 
leaf, equal to the pistil, a single-celled ovary. 
Caryopsis.—An indehiscent one-seeded fruit, in which the seed- 
coat is adherent to the pericarp, in grasses. 
Catkin.—An inflorescence forming a pendulous spike, with flowers 
of one sex, there being bracts in the place of the perianth. 
Caudicle.—A membranous process which supports the pollinia in 
an orchid. 
Cell.—A chamber in a fruit or anther. 
Chlamydeous.—Having a perianth. 
Ciliate.— With stiff hair forming a fringe at the margin. 
