290 



Proceedings of the Royal Irish Academy. 



Near the base the number increases to seven or eight (fig. 12a). The 

 verrucae throughout are sub-conical and are adpressed to the stem, although 

 in some cases they ai-e slightly dome-like. 



The following tables give a few measurements from several colonies of 

 both of these varieties: — 



Table A. 



Specimen. 



Height of 



Colony in 



Contimetrei. 



Diameter of Colony in 

 Millimetres. 



Diameter 

 of axis 

 at base. 



TbicknesB of 



Coenenchyma 



at base. 



Thickness of 



Coenenchyma 



near tip. 





Base. 



Midway. 



Near apex. 



1 



89 



7 



7 



u 



4 



1-0 



2-6 



2 



82 + 



C 



5-6 



6 



3-5 (-5) 



1-25 



2-6 



3 



76 



8 



76 



6-6 



6 



1-6 



2-75 





74 



8-0 



7-5 



6 



6 



1-75 



2-5 





72 



7 



7 



65 



3-5 



1-78 



3-25 





71 



7 



7 



6-5 



3-8 



1-75 



3-25 





68 



6 



4-5 



4 



2-5 



1-25 



2 





66 



6-5 



6-5 



4-5 



3-5 



1 



2-2.5 





63 



6 



6 



4-5 



3 



1 



2-25 



10 



67 



6 



6 



4-6 



3 



1-6 



2-25 



11 



62 + 



7-6 



" 



5 



4-6 (-6) 



1-6 



2-5 



12 



46 



6 6-5 



6-6 



3 



1-6 



2-75 



