The Elements of Botany, For Beginners and For Schools

by Asa Gray

Acerose, needle-shaped, as the leaves of Pines.

Acetabuliform, saucer-shaped.

Achænium, or Achenium (plural achenia), a one-seeded, seed-like fruit, [120].

Achlamydeous (flower), without floral envelopes, [86].

Acicular, needle-shaped; more slender than acerose.

Acinaciform, scimitar-shaped, like some bean-pods.

Acines, the separate grains of a fruit, such as the raspberry.

Acorn, the nut of the Oak, [122].

Acotyledonous, destitute of cotyledons or seed-leaves.

Acrogenous, growing from the apex, as the stems of Ferns and Mosses. Acrogens, or Acrogenous Plants, a name for the vascular cryptogamous plants, [156].