46ti GLOSSARY Of 



Alveolate. Like a honey-comb. Applied to the involucre of certain 



plants. Ex. Borkhausia. 

 Ament. A Catkin. A certain mode of inflorescence. Ex. Chestnut, 



Birch. 

 Amplexicaul. Clasping the stem. The leaf joins the stalk without a 



petiole. Ex. Aster amplexicaulis. 

 Ancipltal. Two-edged. 

 Androgynous. Producing both barren and fertile flowers on the same 



plant. Ex. Indian Corn. 



Angulo-dentate. Angularly toothed. Ex. Lapsania, ( Nipplewort.') 

 Annual. Living but one year, in which time it produces flower and seed. 



Ex. Cucumber. 



Anther. That part of tne stamen which contains the pollen, very appa- 

 rent in the Lilies, Fig. 97. 

 Annulations. Rings, or circles. 

 Anterior. Growing before, or in front, as the anterior segments of a 



leaf. 

 Antiseptic. Efficacious against putrefaction. Ex. Artemisia, ( Worm- 



wood.) 



Apetalous. Without petals. Ex. Saururus. 

 Apex. The extremity, or summit, generally terminating in a point. 

 Aphyllous. Without leaves. Ex. Saltwort. 

 Appressed. Pressed close upon something else. When hairs lie close to 



the surface of a leaf, they are said to be appressed. 

 Apterous. Without wings, or membranous margins. Ex. The radical 



flowers of Polygala rubella. 

 Arachnoid. Resembling a spider's web. 

 Aquatic. Growing in the water. Ex. Pond Lily. 

 Arborescent. Tree-like. Approaching in size to a tree. Ex. Cornus 



florida, {Dogwood.) 



Arillus. An appendage adhering to the hilum of certain seeds. 

 Aristate. Bearded. Ex. Barley. 



Armed. Furnished with thorns and prickles. Ex. Thorn-bush, Green- 

 brier. 



Aroma. The aromatic or spicy quality of plants. Ex. Mint, Sassafras. 

 Articulated. Jointed. The place where one part is joined to another. 



Many of the grasses have articulated culms. 

 Arundinaceous, From arundo, a reed. Resembling reeds, or large 



grasses. 



Ascending. Rising, somewhat obliquely, from the ground. 

 Attenuated. Diminishing. Growing thin, or slender. 

 Auriculate. Furnished with appendages, or projections resembling ears. 



Ex. Jasminum auriculatum. 



Avon. The rough beard or bristle, in the flowers of the grassc-s. 

 : \wned. Having awns. 

 Axis. Centre of vegetation, as the pith of vascular plants. The Cryp- 



togamia and Endogenous plants have many of them no axes. 



Banner. The upper and largest petal in papilionaceous flowers. Ex. 



Pea, Bean. 



Barren. Producing no fruit. Containing stamens without pistils. 

 Bell-shaped. Campanulate. A short tube, rounded at the base, and 



wide at the brim. Ex. Bell-flower. 

 Berry. A succulent fruit with the seeds imbedded in the substance. Ex. 



Phytolacca decandra, (Poke,) Orange. 

 Bicuspidate. Ending in two points. 



