hed 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.

_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.

_Assimilation_, 144, 147.

_Assurgent_, same as ascending, 39.

_Atropous_ or _Atropal_ (ovules), same as orthotropous.

_Aurantiacous_, orange-colored.

_Aureous_, golden.

_Auriculate_, furnished with _auricles_ or ear-like appendages, 53.

_Autogamy_, self-fertilization, 115.

_Awl-shaped_, sharp-pointed from a broader base, 61.

_Awn_, the bristle or beard of Barley, Oats, &c.; or any similar
appendage.

_Awned_ or _Awn-pointed_, furnished with an awn or long bristle-shaped
tip, 54.

_Axil_, the angle on the upper side between a leaf and the stem, 13.

_Axile_, belonging to the axis, or occupying the axis.

_Axillary_ (buds, &c.), occurring in an axil, 27.

_Axis_, the central line of any body; the organ round which others are
attached; the root and stem. _Ascending_ and _Descending Axis_, 38.

_Baccate_, berried, berry-like, of a pulpy nature like a berry
(_bacca_).

_Badius_, chestnut-colored.

_Banner_, see Standard, 92.

_Barbate_, bearded; bearing tufts, spots, or lines of hairs.

_Barbed_, furnished with a _barb_ or double hook; as the apex of the
bristle on the fruit of Echinospermum (Stickseed), &c.

_Barbellate_, said of the bristles of the pappus of some Compositae when
beset with short, stiff hairs, longer than when denticulate, but shorter
than when plumose.

_Barbellulate_, diminutive of barbellate.

_Bark_, the covering of a stem outside of the wood, 138, 140.

_Basal_, belonging or attached to the

_Base_, that extremity of any organ by which it is attached to its
support.

_Basifixed_, attached by its base.

_Bast_, _Bast-fi