388 GLOSSARY. 
Anomalous, deviating from a general rule. 
Anteal, in front of anything, forward. 
Anterior, going before. 
Aperture, a hole, any opening. 
Apex, the top of anything ; apices, the tops. 
Apical, belonging to the apex or top, pointed. 
Appressed, approaching the stem or branch so as to be nearly in 
the same direction. 
Arborescent, branched, resembling a tree. 
Arcuated, bent in the form of an arch. 
Areolate, marked with lines, so as to give the appearance of net- 
work. 
Articulated, jointed. 
Attenuated, gradually tapering towards the apex or base. 
Auricle, the external ear, a little ear. 
Avertebrate, without vertebre or backbone. 
Axillary, in the angle called the axil, formed by the junction of 
stem and branch. 
Aais, the central portion, or main stem. 
Basal, pertaining to the base. 
Bicuspid, having two points. 
Bifarious, parting in opposite directions. 
bifid, cleft into two segments, having a deep notch down the 
centre. 
Bilabiate, having two lips. 
Biserial, in two rows. 
