58 



Niinic. 



COMPARATIVE TABLE OF 



Branching. 



Cocnenchyma. 



VeiTucse. 



. 1 . jllllHSdII (', StudiT. 



A.graiii, Jolinsoii. 



A . hirsuta, Gray. 



Dicliotomuus, in one 

 plane, no anastomosis. 



Irregular, tendency to 

 grow in one plane. 



Branches nearly in 

 same plane. 



Bell-sliaped, constricted 

 at base. 



Sessile, cylindrical, very 

 small; spicules 

 arranged longitudin- 

 ally. 



Bell-shaped ; .spicules 

 overlap in indefinite 

 rows. 



