GLOSSARY OF TERMS 



MOSTLY EMPLOYED IN THE SCIENCE OF BOTANY. 



Acttvlis, destitute of a stem, pi. 27, fig. 4. 



Alm-tive, barren, or imperfectly developed. 



Abraded^ rubbed off. 



Jccumbent, lying on, (see note, page 47.) 



Acerose, ueedle-pointed, page 67, pi. 6, fig. 2. 



Acicular, needle-shaped. 



Aculeate, furnished with prickles. 



Acuminate, taper-pointed, pi. 29, fig. 11. 



Aggregate, gathered together, page 23, pi. 1 6, fig. 1, pi. 34, fig. .3. 



Akenium, a hard pericarp enclosing a single loose seed, pi. 13, fig. !,« 



Albumen, the substance of a seed which lies under the skin. 



Amentum, catkin, page 9, pi. 2, fig. 3. 



Amplexicaule. stem clasping, pi. 32, fig. 9. 



Awlrogynous, stamens and pistil on the same plant, or in the same 

 flower. 



Antiual, page 61. 



Anther, page 15, pi. 11, fig. 1,« 



Antherijerons, bearing anthers. 



Apetalous, without petals, pi 16, fig. 2. 



Apex, the smnmit. 



Apiculate, terminating in a little point, generally formed by an exten- 

 sion of the mid-rib beyond the leaf. 



Appressed, when airs lie flat upon the surface of a plant ; and when 

 leaves are pressed close to the stem. 



Arborescent, tree-like: 



Aridity, diyness. 



Arintate, bearded, as in several grasses, pi. 2, fig. 5. 



Articulate, jointed, pi. 27, fig. 3. 



Ascending, page 62. 



Attenuated, made thin or slender. 



Awns, the beards of grasses, pi. 27, fig. 3. 



Axilla, the angle fonned by the union of the stem and leaf, pi. 26, 

 fig. 1, a. 



Axillari/, placed in the angle formed by the union of the leaf and stem, 

 pi. 23, a, a, a. 



Axis, the real or imaginary line that passes through any tiling. 



