Actinomyces-like Endotrophic Mycorhiza. 43 
Fig. 5. Rhizome of A. albifvons. Section of Cortex, coloured with 
Cotton blue (Oil imm. obj. x’s, oc. I). ct. terminal (acrogenous) “ massue ” ; 
N, nucleus ; K, granular nucleus; h, hyphae. 
literature. 
1. Achalme. Actinoinycose, in Tvaite Hyg. Chantemesse , 17, p. 1919, Paris, 
1910. 
2. Arzberger: Ann, Mo. Bot. gard , 1916, p. 87. 
3. Drechsler, Cli. The genus Actinomyces, Bot. Gaz., p. 65, Jan.-Feb., 1919, 
4. Dufrenoy, Jean. New Phytoi.ogist, 16, Oct.-Nov., 1917. 
5. Pechoutre F. Rev., Bot. Rev. Gen., Sc., p, 248, Apr. 1919. 
6. Rayner, M.C. New PHYTor v OGlST, 15, Oct., 1916. 
Thermal Laboratory, Bareges, 1919. 
