Notes. 
138 
Figs 1-5. Gemmae of Tor tula mutica , Lindb. x 825. 1. 2 -celled gemma growing on 
protonema-filament ; 2. 4-celled gemma attached to leaf-blade ; 3. Small gemma detached from leaf ; 
4. Larger gemma beginning to germinate in two places ; 5. 4-celled gemma with single young 
protonema-filament. b., Cell of leaf-blade ; g, gemma; m., midrib of leaf; p., protonema-filament; 
r., resting cell of gemma; s., stalk-cell ; v., young protonema-filament. 
