. Fio. 203.—Phoma ahietina. Twig of Silver Fir show iiig the constriction characteristic of this disease dotted over with pycnidia. (After R. Hartig.) ^ Buhm (Zeifsch. f. Forst- u. Jacjd-wesen, 1896, p. ) describes .and figures an attack of this parasite on Pseudotstuia Donglasii in North GermanJ^ One cannot, however, avoid suggesting some confusion between this and Ph. pithya described next. (Edit.) -E. Rostrup Undersoeqtlser over Snyltes vampes Angreb paa Skovtraeer,

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