GLOSSARY 149 



GLOSSARY. 



Abruptly pinnate. Pinnate without a terminal leaflet. 



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



Achenium. The same as akene. 



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. 



Akene. A small seed-like fruit (strawberry or rose "seeds"). 



Alternate. As applied to leaves, one at each node. Occasional- 

 ly (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. 



Angiosperms. Plants that mature their seeds within the pistil. 



Annuals. Plants that live for one season only. 



Annular. Like a ring. 



Anther. The pollen-sac of a stamen. 



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

 set of floral leaves is 1 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. 



