GLOSSARY. 



Abnormal : contrary to the regular 

 (or normal) order of growth. 



Accessor;/ (ramuli) : branchlets, dif- 

 fering from the ordinary branch- 

 lets, and fitted to a special pur- 

 pose. 



Acotyledonous (plants) : plants 

 which are propagated by spores : 

 Cryptogaynia. 



Acrogenous : growing from the top. 



Acuminated : produced into a long, 

 slender and, usually, sharp point. 



Adnate : adhering to an object by 

 the whole surface. 



Air-vessel : a hollow portion of the 

 frond, filled with air. 



Amorphous : without definite shape. 



Analogue: )when a plant strik- 



Analogous : jingly resembles ano- 

 ther of a different genus, or fa- 

 mily, so as to represent it, it is 

 said to be the analogue of that 

 plant. 



Anastomose : to grow into another 

 body, and unite with it. 



Annular : ) c j • . 



Annulated ■r"''^^^''^^'^'''^^^' 



Apex, pi. apices : the top of any- 

 thing. 



Apical : belonging to the apex. 



Appositional (branches) : when two 

 branches lie together, and partly 

 unite, so as to appear like a com- 

 pound branch. In some Confer- 

 void Algte {Oscillatoriacece), a 

 seemingly branched filament is 

 composed of many simple fila- 



ments, so lying together ; such 

 would be called an appositionally 

 branched filament. 



Appressed : closely approximated, 

 or, (in branching), when the small- 

 er branches lie close to the larger 

 ones, standing very erect. 



Areolated : 1 marked out into regu- 



Areola, ce : ] lar spaces (or areolae), 

 like a pavement. 



Articulation : when a frond consists 

 of a single string of cells, each 

 cell is called an articulation ; lite- 

 rally, a joint. 



Articulated : having a jointed ap- 

 pearance. 



Asci : membranous cases in which 

 the spores of Lichens and Fungi 

 are contained. 



Axil : the angle formed by the in- 

 sertion of a branch, or division of 

 a frond. 



Axis : a central column ; or, the 

 central portion or medullary sub- 

 stance of the frond. 



Base : the bottom of anything. 

 Basal : belonging to the base. 

 Branchlet : (same as ramuhts) ; the 



ultimate division of a compound 



Irond. 

 Byssoid : exceedingly slender, like 



cobwebs. 



Calcareous : formed of carbonate of 



lime. 

 Calli : hard parts. 



