"Sulphurators are instruments for distributing flowers of sulphur, for the purpose of destroying mildew.…
An illustration of powdery mildew showing the ascus containig eight ascospores.
An illustration of powdery mildew showing conidia bearing hypha.
An illustration of the sporocarp and mycelium of powdery mildew.
An illustration of erysiphe communis, powdery mildew, that is on the epidermis of the leaf of the flower,…
"Sulphurators are instruments for distributing flowers of sulphur, for the purpose of destroying mildew.…