190 



Tra/isacfio/!.<. 



1. Portion of a transverse section of tlie root of Earina murro7uita. showing the hyphae 

 in the velamen and the masses in the cortical cells. The thickenings of the walls 

 of the velamen cells have been omitted to secure clearness. 



•2. Cells from the cortex, showing th(> liyphae in various stages of absor])tion— r/. first 

 stage ; c, intermediate stage ; b, third stage. 



3. Portion of a hypha from the cortex, showing vacuolated ai)pearance (much enlarged). 



