H" Field Manual 



GLOSSARY. 



Acliene. A cne-secded dry indcliiscent fruit with a tightl} 



fitting pericarp around the seed. 

 Actinomorphic. Radially symmetrical; a flower or organ 



which can he cut into similar equal halves by two or 



more planes. 

 Acuminate. Tapering gradually to the apex. 

 Acute. Sharp pointed. 

 Adnate. An organ adhering to another; an anther attached 



longitudinally to the end of the filament. 

 Adventive. Apparently becoming naturalized. 

 Alternate. With a single leaf or other organ at each node. 

 Ament. A slender usually flexible spike of flowers, as in the 



willows. 

 Andreciuni. The whole set of stamens in a flower. 

 .\nther. Ihe spore-bearing part of a stamen; the part which 



finally contains the pollen sacs. 

 Anthesis. The period of flow^ering. 

 Apetalous. Without petals. 



Appressed. Lying close against another organ. 

 Aril. A fleshy organ anound the hilum. 

 Auricled. With car-like lobes. 

 Axillary bud. A bud in the axil of a leaf. 

 Axil.' Hie point of a stem just above the base of the leaf. 

 Axile. In the axis of an organ. 



Baccate. Berry-like. 



Berry. -\ fruit with a fleshy or pulpy pericarp, 



Bilocular (2-locular). Having two cavities. 



FHsporangiate. Having both microsporangia and megaspor- 



angia ; having both stamens and carpels. 

 Blade. The expanded part' of a leaf. 



Bract. A small, rudimentary, or imperfectly developed leaf. 

 Bud scale. One of the scales in the winter bud. 

 lUmdle scar. .\ scar in a leaf scar produced by a vascular 



bundle or strand of bundles. 



Caducous. Falling away very soon after development. 

 Calyx. The outer set of sterile floral leaves; the whole set of 

 sepals. 



