GLOSSARY. 179 



GLOSSARY. 



Abruptly pinnate. Pinnate without a terminal leaflet. 



Acaulescent. With basal or radical leaves, as in dandelion. 



Acrid. Biting to the taste and often blistering the skin. 



Acuminate. With "line-of-beauty" curve; contrasted with acute. 



Acute. Tapered to the point. 



Aerial roots. Those produced above ground, like the braces of 

 Indian corn or the climbing organs of poison ivy, trumpet 

 creeper, etc. 



Aggregated. Grouped into a unit, like the partial fruits of a 

 mulberry, the bundle-traces of hickory, etc. 



Alternate. As applied to leaves, one at each node. Occasionally 

 (crape myrtle) leaves are both alternate and opposite, and in 

 the desert willow they may be whorled as well. 



Anastomosing. Forming a network, as in veins. 



Anther. The pollen-sac of a stamen. 



Angiosperms. Plants that mature their seeds within the pistil. 



Annular. Like a ring. 



Annuals. Plants that live for one season only, 



Apetalous. Without corolla, but with calyx. When only one set 

 of floral leaves is present it is assumed to be the calyx even 

 though of bright color and delicate texture, as in clematis. 



Appressed. Not spreading, as applied to buds, leaves or hairs. 



Aril. An appendage of the seed, like that of the bittersweet. 



Armed. With spines or prickles. 



Aromatic. Fragrantly scented, at least when broken or crushed. 



Attenuate. Drawn out into a point, as applied to leaves or scales. 



Auricled. With small projections at base (leaf of English oak). 



Axil. The angle above a leaf : the point on a stem above the leaf- 

 scar : the angle between two nerves or veins of a leaf. 



Axillary. In an axil. 



Balsamic. Of tne fragrance or consistency of Canada balsam, etc. 



