May 1, 1902
Dr. L. H. Pammel,
Ames, Iowa.
My Dear Professor Pammel:
I have your favor of April 26th and note carefully all you say. I shall continue to look for species of Gymnosporangum. Now I can secure you Roestelia on host of cedar. I do not know…
May 1, 1902
Dr. L. H. Pammel,
Ames, Iowa.
My Dear Professor Pammel:
I have your favor of April 26th and note carefully all you say. I shall continue to look for species of Gymnosporangum. Now I can secure you Roestelia on host of cedar. I do not know…