Arenose (Arenarius), growing in sand.
Areolate, marked out into little spaces or areolæ.
Argenteous, or Argentate, silvery-like.
Argillose, growing in clay.
Argos, Greek for pure white; Argophyllous or Argyrophyllous, white-leaved, &c.
Argutus, acutely dentate.
Arillate (seeds) furnished with an aril.
Arilliform, aril-like.
Arillus, or Aril, a fleshy growth from base of a seed, [126].
Aristate, awned, i. e. furnished with an arista, like the beard of Barley, &c., [54].