Diseases of plants induced by Diseases of plants induced by cryptogamuc parasites; introduction to the study of pathogenic fungi, slime-fungi, bacteria, and algae. English ed. by William G. Smith diseasesofplants00tubeuoft Year: 1897 mm Fig. 221.—Cross-section of a tract of parenchyma in a malformed Juniper- twig. (After Woernle.) Fig. 222.—Radial longitudinal section through a zone of parenchyma similar to Fig. 221. (After Woernle.) water and plastic material that higher parts of the branch gradually die off, and dormant buds break out on the swelling. Increased growth results in increas
Diseases of plants induced by Diseases of plants induced by cryptogamuc parasites; introduction to the study of pathogenic fungi, slime-fungi, bacteria, and algae. English ed. by William G. Smith diseasesofplants00tubeuoft Year: 1897 mm Fig. 221.—Cross-section of a tract of parenchyma in a malformed Juniper- twig. (After Woernle.) Fig. 222.—Radial longitudinal section through a zone of parenchyma similar to Fig. 221. (After Woernle.) water and plastic material that higher parts of the branch gradually die off, and dormant buds break out on the swelling. Increased growth results in increase in the number of medullary rays, while in the tangential section their height is increased from 2-10 cells to 10-20 and more; the wood parenchyma is also more abundant, and together with the rays frequently forms large masses of parenchyma in the wood (Figs. 220-223). The tracheae no longer follow a straight course, and numerous intercellular spaces appear between them; the tracheal walls fre([uently become thickened and have an increased number of
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