393 



GLOSSARY. 



Abortive, defective, barren. 



Abrupt, appearing as if suddenly 



. terminated or broken off. 



Accrescent, persistent and increasing 

 in size. 



Accrete, having contiguous parts or 

 organs naturally grafted together. 



Acerose, linear and sharp-pointed, 

 as in the leaves of the fir- tribe. 



Achene, a dry, hard, single-seeded 

 indehiscent fruit, with the peri- 

 carp inferior, and consequently 

 invested by the calyx, as in the 

 seeds of compound flowers. 



Achlamydeous, without any distinct 

 perianth, as in the willows. 



Acicular, of slender form, like a 

 needle. 



Acotyledonous, wanting cotyledons. 



A culeate, sharply pointed or prickly. 



Acuminate, ending in a long, taper 

 point. 



Acute, when the extremities present 

 an angle less than a right angle. 



Adherent, having parts originally or 

 normally distinct, united or grafted 

 together. 



Adnate, attached throughout the 

 long length, as in the, case of 

 anthers when their lobes are at- 



tached throughout their whole 

 length to the filament, or of sti- 

 pules when they adhere to the 

 peduncles, etc. 



Adpressed, having one part lying 

 close to another throughout its 

 length, as hairs to the surface of 

 a leaf. 



Aggregated, having similar but dis- 

 tinct parts crowded together. 



Albumen, a substance of a farina- 

 ceous, oily, or horny consistency, 

 found in many seeds, surrounding 

 the embryo wholly or in part. 



Alternate, having the parts or or- 

 gans so placed, that the one is not 

 directly before or over- against the 

 other. 



Amplexicaul, having the peduncle, 

 leaf, or stipule dilated at the base, 

 and extended partially round the 

 stem, so as to clasp it. 



Angular, having a determinate num- 

 ber of angles. 



Annual, applied to those plants 

 which produce seed and die in 

 the same year in which they ger- 

 minate. 



Anther, that portion of the stamen 

 which contains the poUen, most 

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