Aristulate, diminutive of the last; short-awned.
Arrect, brought into upright position.
Arrow-shaped or Arrow-headed, same as sagittate, [53].
Articulated, jointed; furnished with joints or articulations, where it separates or inclines to do so. Articulated leaves, [57].
Artificial Classification, [181].
Ascending (stems, &c.), [39]; (seeds or ovules), [110].
Ascidium, a pitcher-shaped body, like leaves of Sarracenia.
Ascus (asci), a sac, the spore-case of Lichens and some Fungi.
Aspergilliform, shaped like the brush used to sprinkle holy water; as the stigmas of many Grasses.
Asperous, rough to touch.