The use of spores in applications of ectomycorrhizal fungi requires information regarding spore viability and germination, especially in genera such as Rhizopogon with high rates of spore dormancy.

DURING the investigation of a spore-bearing organism isolated from heated milk, certain morphological changes prior to sporulation were observed. The observations recorded were made upon fixed ...

WE have recently made a cytological study of several species of spore-forming bacilli, using the vital staining method of Nakanishi as modified by Stoughton 1. This has resulted in two observations ...