GLOSSARY OF BOTANICAL 

 TERMS. 



Arcvmhent, the cotyledons of Cruciferce when the radicle is 

 curved against their edges. 



Acdimiiiate, tapering suddenly into a point. 



Acute, sharp, gradually pointed. 



Akene (achencj, a dry, indehiscent, 1-seeded fruit. 



Alternate, leaves or flowers inserted at different heights 

 along the bi-anches ; intervening between (in a series of 

 organs). 



Annual, a plant flowering and dying in one year. 



Anther, see stamen. 



Ascending, spreading horizontally and then becoming erect. 



Auricle, ear-shaped lobe at the base of a leaf. 



Awn, a fine bristle terminating an organ or inserted on its 

 back. 



Axil, the angle formed by the leaf and the branch. 



Axillary, growing in the axil. 



Axis, (1) the common peduncle or stem to which the flowers 

 or the branches of a panicle are attached; (2) the mid- 

 rib or continuation of the petiole carrying the leaflets 

 or segments of a leaf (rhachis); (3) the zigzag stalklet 

 to which the flowers are attached in the spikelets of 

 grasses (rhachis, rhachiUa). 



Barhs, branching hairs of a plumose bristle. 



Beaded (torulosej, a surface with alternate swellings and 

 depressions. 



Berry, a fleshy fruit with the seeds immersed in the pulp. 



Biennial, a plant which flowers and dies in the second year. 



Bifid, cut in two for about half its length. 



Bipinnate, a leaf whose primary divisions (leaflets) are 

 again pinnate. 



Bii)innatifid, a leaf whose primary lobes are again pinnatifid. 



Bisexual, a flower with the reproductive organs of both 

 sexes. 



Bract, a little leaf at the base of the peduncles and pedi- 

 cels, and differing from the other leaves in size or shape. 



Bracteate, having bracts. 



Bract enle. a little bract on the pedicels or even the calyx, 

 and differing in size or shape from the bracts. 



Bulb, a short thick rootstock in which the bud or buds are 

 covered by scales. 



Calyx, outer envelope of the flower, consisting of free or 

 united sepals. 



