. Fir,. 234.—A few leaves enlarged from Fig. 233. Tlie leaf t« left bears pycnidia on red ti\>otti on the upper surface of the Iciif; the remaining Icjives boar aecidia on raised portions of their surface. Several aecidia still further enlarged show the peridia dehiscing by longitudinal slits, (v. Tul>euf del.) occur in tlie year-rings as already described fur (;. dacariarfonne, viz. thickened twisted , locsely connected together and with fissure-like ])its; medullary rays more numerous and Ijroader; the hmits of the year-ring diflicult to distinguisli: and a yel
. Fir,. 234.—A few leaves enlarged from Fig. 233. Tlie leaf t« left bears pycnidia on red ti\>otti on the upper surface of the Iciif; the remaining Icjives boar aecidia on raised portions of their surface. Several aecidia still further enlarged show the peridia dehiscing by longitudinal slits, (v. Tul>euf del.) occur in tlie year-rings as already described fur (;. dacariarfonne, viz. thickened twisted , locsely connected together and with fissure-like ])its; medullary rays more numerous and Ijroader; the hmits of the year-ring diflicult to distinguisli: and a yellow pigment deposited in the walls of all the A of nature may be found round the whole circumference of a twig even in ibe first year after infecti(jn, and regularly each succeeding year. Woernle only rarely found zones of irregular cell-formation like those
Size: 2216px × 2256px
Photo credit: © The Bookworm Collection / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1800, bookdecade1890, booksubjectparasit, bookyear1897
