Professor Novdstedt : Australasian Characeae, 



ml. Tylacantae. Primary cells (with 

 the spines) of the cortex promin- 

 ent (monoica) . - . . contraria and 



V. Behriana, A. Br.. 

 m2. Aulacantae. Secondary cells of 



tlie cortex prominent - . - foetida, A. Br, 



12. Triplostichae. Stem triply corti- 

 cated, 

 nl. Phloeopodes. Basal segment of 

 the leaves corticated 

 Monoecious, 

 ol. Nucleus black - - _ - fragilis, Desv. 

 n2. Nucleus yellowish - - . leptosperma, A. Br. 



(dubious as Australian). 

 n2. Gymnopodes. The first segment 



of the leaves naked - - gymnopus, A. Br., v. ceylonica 



(Klein), A. Br., which name 

 is older than gymnopus. 



