Notes: These are from the University of Wisconsin-La Crosse herbarium. The two photographs of the ergot sclerotia on rye were taken with a Canon Powershot A560 in Macro mode and these photos were resized using Image-J. The two micrographs were taken from prepared slides of C. purpurea stromata, the slides were produced by Triarch. Microscopic images were processed as follows:

image 1: Specimen: C. purpurea stromata: perithecia
Microscope: Nikon E600
Magnification: 10x ocular lens & 10x objective lens (100x)
Field Type: Brightfield
Processing: Cropped using Image-J
Sharpened using “Sharpen” function in Image-J
Brightness adjusted in Image-J, 0 was reset to
42 on color scale. Scale bar added with Image-J.

image 2: Specimen: C. purpurea stromata: perithecia
Microscope: Nikon E600
Magnification: 10x ocular lens & 60x objective lens (600x)
Field Type: DIC
Processing: Sharpened using “Sharpen” function in Image-J
Brightness adjusted in Image-J, 0 was reset to
25 on color scale. Scale bar added with Image-J.

[admin – Sat Aug 14 02:07:11 +0000 2010]: Changed location name from ‘University of Wisconsin-La Crosse’ to ‘University of Wisconsin La Crosse, La Crosse, Wisconsin, USA’