EUCALYPTUS. 209 



GLOSSARY 



OR 



DICTIONARY OF TERflS USED IN DESCRIBING PLANTS. 



A, at the beginning of words of Greek derivation, commonly signifies a 



negative, or the absence of something ; as petalous, without petals ; 



aphyllous, leafless, etc. If the word begins with a vowel, the prefix 



is an ; as # //antherous, destitute of anther. 

 Abnormal : contrary to the usual or the natural structure. 

 Aboriginal : original in the strictest sense ; same as indigenous. 

 Abortive : imperfectly formed, or rudimentary. 

 Abortion : the imperfect formation, or non-formation of some part. 

 Abrupt : suddenly terminating ; 



Abruptly pinnate : pinnate without an odd leaflet at the end. 

 Acaulescent (acaulis] : apparently stemless ; the proper stem bearing the 



leaves and flowers, being very shorter subterranean, as in Bloodroot, 



and most Violets. 



Accessory : something additional ; as Accessory buds. 

 Accrescent : growing larger after flowering, as the calyx of Physalis. 

 Accumbent : lying against a thing The cotyledons are accumbent when 



they lie with their edges against the radicle. 

 Acerose : needle-shaped, as the leaves of Pines. 

 Acetabuleform : saucer-shaped. 



Achenium (plural achenia] : a one-seeded, seed-like fruit. 

 Achlamydeous (flower) : without floral envelopes ; as Lizard 's-tail. 

 Acicular : needle-shaped ; more slender than acerose. 

 Acinaciform : scymitar-shaped, like some bean-pods. 

 Acines : the separate grains of a fruit, such as the raspberry. 

 Acorn : the nut of the Oak. 



Acotyledonous : destitute of cotyledons or seed-leaves. 

 Acrogenous : growing from the apex, as the stems of Ferns and Mosses. 

 AcrogenS) or Acrogenous Plants : the higher Cryptogamous plants, such- 



as Ferns, etc. 



Aculeate : armed with prickles, i. e. aculei ; as the Rose and Brier. 

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