GLOSSARY. 



Abnormal. Differing from the normal or 

 usual structure. 



Abortion. Imperfect development or non- 

 development of an organ. 



Abortive. Defective or barren. 



Acaulescent. Stemless or apparently so. 



Accumbent (cotyledon). Having the edges 

 against the radicle. 



Acerb. Sour and astringent. 



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

 seeded, indehiscent fruit. 



Achlamydeous. Without calyx or corolla. 



Acicular. Slender needle-shaped. 



Acrogenous. Growing from the apex by a 

 terminal bud or by the apical cell only. 



Aculeate. Prickly ; beset with prickles. 



Aculeolate. Beset with diminutive prickles. 



Acuminate. Tapering at the end. 



Acute. Terminating with a sharp or well- 

 defined angle. 



^Estivation. The arrangement of the parts 

 of the perianth in the bud. 



Adnate. United, as the inferior ovary with 

 the calyx-tube. Adnate anther, one at- 

 tached for its whole length to the inner or 

 outer face of the filament. 



Adventive. Recently or imperfectly natu- 

 ralized. 



Alate. Winged. 



Albumen. Any deposit of nutritive material 

 accompanying the embryo. 



Albuminous. Having albumen. 



Alliaceous. Having the smell or taste of 

 garlic. 



Alternate. Not opposite to each other, as 

 sepals and petals, or as leaves upon a stem. 



Alveolate. Honeycombed ; having angular 

 depressions separated by thin partitions. 



Ament. A catkin , or peculiar scaly unisexual 

 spike. 



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. 



Anatropous (ovule). Inverted and straight, 

 with the micropyle next the hilum and the 

 radicle consequently inferior. 



Androgynous (inflorescence). Composed of 

 both staminate and pistillate flowers. 



-androus. In composition, having stamens. 



Angiospermous. Having the seeds borne 

 within a pericarp. 



Annual. Of only one year's duration. Win- 

 ter annual, a plant from autumn-sown 

 seed which blooms and fruits in the follow- 

 ing 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 in- 

 florescence ; equivalent to inferior and (lees 

 properly) exterior. 



Anther. The polliniferous part of a stamen. 



Antheridium. In Cryptogams, the organ 

 corresponding to an anther. 



Antheriferous. Anther-bearing. 



Antherizoid. One of the minute organs de- 

 veloped in an antheridium, corresponding 

 to pollen-grains. 



Anthesis. The time of expansion of a flower. 



Apetalous. Having no petals. 



Apical. Situated at the apex or tip. 



Apiculate. Ending in a short pointed tip 



Appressed. Lying close and flat against. 



Aquatic. Growing in water. 



Arachnoid. Cobwebby ; of slender entan 

 gled hairs. 



Archegonium. The organ corresponding to 

 a pistil in the higher Cryptogams. 



Arcuate. Moderately curved. 



Areolate. Marked out into small spaces} 

 reticulate. 



Aril. An appendn ge growing at or about the 

 hilum of a seed. 



Arillate. Having an aril. 



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. 



Assurgent. Ascending. 



Attenuate. Slenderly tapering; becoming 

 very narrow. 



Auricle. An ear- shaped appendage. 



Auriculate. Furnished with auricles. 



Awl-shaped. Narrowed 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. 



