A SHORT GLOSSARY OF BOTANICAL TERMS. 



ACHENE, a dry, indehiscent, i-seeded fruit, such as the single " seed " of a 



Ranunculus. 

 ACICDLAR, applied to linear leaves which are stiff and needle-like, such as those 



of Pine. 



ACUMINATE, narrowed at the top and then prolonged into a point. 

 ACUTE, tapering to a point ; sharp. 

 ADHESION, the union of dissimilar parts of a flower, such as the petals and sepals ; 



cf. Cohesion. 



ADNATE, attached throughout their whole length. 

 ADPRESSED, pressed close to anything. 



ADVENTITIOUS ROOTS, those which appear as outgrowths from the stem or leaves. 

 ESTIVATION, the arrangement of the petals in the unexpanded bud. 

 ALBUMEN, nutritious matter in the seed to feed the young plant. 

 ALTERNATE, applied to leaves which are not arranged opposite to one another on 



the stem. 



AMPLEXICAUL, when a leaf, bract, or stipule more or less embraces the stem. 

 ANASTOMISING, veins combining with each other at their ends. 

 ANDRCECIUM, the male organs or stamens, considered as a whole. 

 ANGIOSPERM, a Flowering Plant whose ovules are enclosed in ovaries ; cf. Gym- 



nosperm. 

 ANNUAL, applied to plants which pass through their life-history in one year and 



then die. 



ANTHER, the upper portion of a stamen containing pollen. 

 APETALOUS, without petals, or with very small rudimentary ones. 

 APEX, the end furthest from the point of attachment. 

 APICULATE, with a very small hard point at the end, often formed by the tip of 



the midrib. 



AQUATIC, growing actually in water. 

 ARILLUS, a fleshy covering of some seeds. 

 ARISTATE, when the point of a leaf is fine like a hair. 

 ARTICULATE, jointed, applied to organs which can be separated (without tearing) 



into several similar parts, e.g. an articulated capsule. 

 ASCENDING, applied to stems which are first prostrate and then rise more or less 



vertically. 

 ASEXUAL, applied to the reproduction by organs other than the stamens and 



carpels. 



ASSOCIATION, a colony or community of plants living together. 

 AURICLES, appendages at the base of the leaves. 



AWN, a thread-like extension of a seed or other organ, such as in Barley. 

 AXIL, the angle formed, for example, at the attachment of a leaf to a stem. 

 AXILLARY, placed in an axil. 

 Axis, usually applied to the stem. 



BEAK, sometimes applied to the curved and pointed extremity of a fruit ; or 



the hooded portion of a corolla. 

 BERRY, a pulpy fruit containing several seeds. 

 BIENNIAL, requiring two years to complete its life-history, after which the plant 



dies. 



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