GLOSSARY 



Abortion. Imperfect development or non-devel- 



opinent of an organ. 

 Abortive. Defective or barren. 

 Acaulescent. Stemless or apparently so, or 



with stem subterranean. 

 Accumbent (cotyledon). Having the edges 



against the radicle. 

 Achene. A small dry and hard 1-celled 1-seeded 



indehiscent fruit. 



Achlamydeous. Without calyx or corolla. 

 Acicular. Slenderly needle-shaped. 

 Aculeate. Prickly ; beset with prickles. 

 Aculeolate. Beset with diminutive prickles. 

 Acuminate. Tapering at the end. 

 Acute. Terminating with a sharp or well defined 



angle. 

 Adnate. United, as the Inferior ovary with the 



calyx-tube. Adnate anther, one attached for 



its whole length to the inner or outer face of 



the filament. 



Adrentire. Imperfectly naturalized. 

 Aestivation. The arrangement of the parts of 



the perianth in the bud. 

 Alate. Winged. 

 Albumen. Any deposit of nutritive material 



accompanying the embryo. >. 

 Albuminous. Having albumen. 

 Alliaceous. Having the smell or taste of garlic. 

 Alternate (of leaves, etc.). Not opposite to each 



other on the axis, but arranged singly at 



different heights. 



Alveolate. Honeycombed ; having angular de- 

 pressions separated by thin partitions. 

 AVoiolation. A honeycombed condition. 

 Ament. A catkin, or scaly spike. 

 Amphigean. Native of both Old and New 



Worlds. 

 Amphitropous (ovule or seed). Half-inverted 



and straight, with the hilum lateral. 

 Amplexicaul. Clasping the stem. 

 Anastomosing. Connecting by cross-veins and 



forming a network. 

 Anatropout (ovule). Inverted and straight, 



with the micropyle next the hilum and the 



radicle consequently inferior. 

 Ancipital. Two-edged. 

 Androgynous (inflorescence). Composed of 



both staminate and pistillate flowers. 

 Androsporungium. The receptacle In which 



androspores are formed. 

 Androspore. The minute reproductive body, 



which gives rise to the (often exceedingly ob- 

 scure) male plantlet in the sexual generation. 



The same as Microspore. 

 -androus. In composition, having stamens. 



Angiotipermous. Having the seeds borne within 

 a pericarp. 



Annual. Of only one year's duration. Winter 

 annual, a plant from autumn-sown seed which 

 blooms and fruits in the following spring. 



Annular. In the form of a ring. 



Anterior. On the front side of a flower and next 

 the bract, remote from the axis of inflorescence ; 

 equivalent to inferior and (less properly) ex- 

 terior. 



Anther. The polllnlferous part of a stamen. 



Antheridium. In Cryptogams, the organ cor- 

 responding to an anther. 



Antheriferous. Anther-bearing. 



Antherozoid. One of the minute organs devel- 

 oped in an antheridium. 



Anthesis. The time of expansion of a flower. 



Apetalous. Having no petals. 



Apiculate. Ending in a short pointed tip. 



Apogamous. Developed without fertilization. 



Appressed. Lying close and flat against. 



Arachnoid. Cobwebby; of slender entangled 

 hairs. 



Archeffonium. The organ in the higher Crypto- 

 gams corresponding to a pistil In the Flowering 

 Plants. 



Arcuate. Moderately curved. 



Areolate. Marked out Into small spaces ; reticu- 

 late. 



Areole. A small space marked out upon a sur- 

 face. 



Aril. An appendage growing at or about the 

 biluin of a seed. 



Ari/lnte. Having an aril. 



Arixtate. Awned ; provided with stifBsh bristle- 

 shaped appendages. 



Articulate. Jointed ; having a node or joint. 



Ascending. Rising somewhat obliquely, or 

 curving upward. Ascending ovule, one that 

 is attached above the base of the ovary and is 

 directed upward. 



Asxurgent. Ascending. 



Attenuate. Slenderly tapering ; becoming very 

 narrow. 



Auricle. An ear-shaped appendage. 



Auriculate. Furnished with auricles. 



Awl-shaped. Tapering upward from the base 

 to a slender or rigid point. 



Awn. A bristle-shaped appendage. 



Axil. The angle formed by a leaf or branch with 

 the stem. 



Axile. Situated in the axis. 



Ancillary. Situated in an axil. 



Axis. The central line of any organ or support 

 of a group of organs ; a stein, etc. 



876 



