Black and white photograph of the Mens Swimming Group. Front 1st row 2. John Rentala, 2nd left, 2nd row Nick Kuusela, 1st left Santeri Anttila, 4th left, 3rd row 5. Matti Koski
Microsection of Alnus nodule to show the infected cortical cells; n.b. the mycelia of the actinomycete which terminate in the vesicles. cf. slides # 213-217
Microsection of the cortical cells of an Alnus nodule to show the vesicles (stained red) within the cell which are thought to be the site of Nitrogen fixation