. Fig. 27. — Fly-speck (at left); Sooty-blotch (at right). After Colby. fly-specks, this fungus causes disfigurement of the apple. The generic position of the fungus is in doubt, though it was originally named Lahrella pomi by Montague. Volutella rot*^^ (Volutella fructi S. & H.). — In general appearance the volutella rot is not readily distinguished from black-rot, though the texture of the rotted tissue is much firmer and drier. Under the hand lens the sporiferous pustules are seen to be clothed with numerous hairs, which character sufficiently marks it as a separate disease. It has been
. Fig. 27. — Fly-speck (at left); Sooty-blotch (at right). After Colby. fly-specks, this fungus causes disfigurement of the apple. The generic position of the fungus is in doubt, though it was originally named Lahrella pomi by Montague. Volutella rot*^^ (Volutella fructi S. & H.). — In general appearance the volutella rot is not readily distinguished from black-rot, though the texture of the rotted tissue is much firmer and drier. Under the hand lens the sporiferous pustules are seen to be clothed with numerous hairs, which character sufficiently marks it as a separate disease. It has been reported from North Carolina, New York, Wisconsin, and is probably of general distribution. Scurf, an affection of the bark of twigs, is due to Phyllo- stida prunicola (Opiz.) Sacc.; Bark-canker '- due to Myxospo-
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Keywords: ., bookauthorstevensf, bookcentury1900, bookdecade1920, bookyear1921
