Fungous diseases of plants . production ofspores. Perhaps the most unfortu-nate phase of this disease is kill-ing of winter buds, which of coursegreatly destroys the vitality withrespect to fruit production the fol-lowing season. It is quite probablethat this fungus is the same asHclmintJwsporhnn ca rpoph iln in(Lev.), and this is also the viewof McAlpine. ControL In controlling this dis-ease, it has become evident thatwinter spraying is essential. Thedisease is reported to make itsappearance early in January in Cal-ifornia, and generally somewhat prior to the activity of the winterbuds. The s
Fungous diseases of plants . production ofspores. Perhaps the most unfortu-nate phase of this disease is kill-ing of winter buds, which of coursegreatly destroys the vitality withrespect to fruit production the fol-lowing season. It is quite probablethat this fungus is the same asHclmintJwsporhnn ca rpoph iln in(Lev.), and this is also the viewof McAlpine. ControL In controlling this dis-ease, it has become evident thatwinter spraying is essential. Thedisease is reported to make itsappearance early in January in Cal-ifornia, and generally somewhat prior to the activity of the winterbuds. The spraying which may be given for prevention of leafcurl is ordinarily too late for the best results upon this blight is recommended, therefore, that an additional spraying in Cali-fornia be given in November or December to assist in controllingthis blight organism. If a single spraying only can be given, it isperhaps best to give it in December, but later than early Januaryunder California conditions is Fig. I CoRYNEUM BeIJERINCKII (After R. E. Smith) 1 McAlpine, D. Fungous Diseases of the Stone Fruits in AustraHa, and TheirTreatment. 1902. 2 Trabut, L. Le Coryneum. Maladies des arbres a noyaux. Built, agr. deIAlgerie et de la Tunisie 10 : 1904. 338 FUNGOUS DISEASES OF PLANTS XXXVIII. LEAF BLIGHT OF CRANBERRY Pestalozzia Guepini Desm. var. J^accinii Shear Shear, C. L. Cranberry Diseases. Bureau Plant Ind. U. S. Dept. Agl. : 38-39- I9°7- This fungus is often found upon the cranberry, but it is less of minor importance as affecting the production of berr occurs upon fruit and leaves. The appear- / ance of affected berries is not particularly characteristic. The conidia are produced in quantity upon affected leaves placed in a moist chamber. The conidia are usually four-septate with the three central cells dark colored. The hyaline apical cell is furnished with from three to four filiform h doubt-ies. It
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