298 



EXPLANATION OF SCIENTIFIC TERMS 



USED IN THIS WORK. 



Abnormal, out of natural order. 



Aculeate, prickly. 



Acuminate, pointed. 



Acute, sharp. 



JEsruginous, of the colour of verdigris. 



Algological, relating to water-weeds. 



Alternate, branches, etc., growing on either side the stem, 



at equal distances, not opposite. 



Anastomosing, uniting of vessels, veins, or nerves. 



Anceps, two-edged. 



Annual, lasting one year only. 



Annular, \ . -, 

 ' > ringed. 

 Annulate, J 



Anther, the part of a flower containing fertilizing matter. 



Antheridium, an organ supposed to contain fertilizing matter. 



Arbuscula, a shrub. 



Apex, the top. 



Appressed, pressed close to a stem or branch. 



Articulate, jointed. 



Articulation, strictly the point of junction of two parts of a 

 plant, but frequently applied to the part of astern inter- 

 vening between two joints. 



Attenuate, tapering gradually to a point. 



