. Timber and some of its diseases. Timber; Trees. VI.] DISEASES DUE TO CERTAIN PARASITES. 171 attacked by these two parasites, though P. tginarms, at any rate, attacks many other dicotyledonous trees as well. It occasionally happens that an oak is attacked by both of these Polyporei, and their mycelia. Fig 20 —Vertical section through the wall of one of the po'-es of P sidphureus^ showing the ordinary h} phse {e\ tissue of the fruct fica ion {a and V) and the <ipore bearing end^ (d and abo\ e). (After Hartig ) become intermingled in the timber: when this is the case the starch-grams reinain
. Timber and some of its diseases. Timber; Trees. VI.] DISEASES DUE TO CERTAIN PARASITES. 171 attacked by these two parasites, though P. tginarms, at any rate, attacks many other dicotyledonous trees as well. It occasionally happens that an oak is attacked by both of these Polyporei, and their mycelia. Fig 20 —Vertical section through the wall of one of the po'-es of P sidphureus^ showing the ordinary h} phse {e\ tissue of the fruct fica ion {a and V) and the <ipore bearing end^ (d and abo\ e). (After Hartig ) become intermingled in the timber: when this is the case the starch-grams reinain intact in those cells which are invaded simultaneously by the hyphce of both fungi. I have been shown longitudinal radial sections of. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Ward, H. Marshall (Harry Marshall), 1854-1906. London, Macmillan
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Keywords: ., bo, bookcentury1900, bookdecade1900, bookpublisherlondonmacmillan
