. Diseases of plants induced by cryptogamic parasites : introduction to the study of pathogenic Fungi, slime-Fungi, bacteria, & Algae . Plant diseases; Parasitic plants; Fungi. Fig. 286.—Agaricus meUeus. Sporophore developed from a rbizomorpli-strand; the other branch bears arrested sporophores. (After R. Hartig.). Fig. 287. — Agancus meUeus. Section through a lamella, d. The hyphae forming the substance of the lamella are much branched, and send twigs outwards which end in club-shaped basidia, a; on many of these are developed sterigmata with apices swollen into spores, b; c, isolated thr

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. Diseases of plants induced by cryptogamic parasites : introduction to the study of pathogenic Fungi, slime-Fungi, bacteria, & Algae . Plant diseases; Parasitic plants; Fungi. Fig. 286.—Agaricus meUeus. Sporophore developed from a rbizomorpli-strand; the other branch bears arrested sporophores. (After R. Hartig.). Fig. 287. — Agancus meUeus. Section through a lamella, d. The hyphae forming the substance of the lamella are much branched, and send twigs outwards which end in club-shaped basidia, a; on many of these are developed sterigmata with apices swollen into spores, b; c, isolated thread- like arrested basidia projecting above the hymenial layer. (After R. Hartig.) this fungus, I give directly the account by Hartig in his " Lehrbuch." ^ " The pathological symptoms can only be ex- plained in the light of the peculiar organization of the-mycelial growth that lives in the cortical tissues. The apex of the rhizomorphs consists of delicate pseudoparenchyma, which, elongating by the division and growth of the cells, produces delicate hyphae on the inside at a certain distance from the ^ I found it on juniper in the pine-forests near Eberswalde. (Auth.) 2 The mycelium does not seem capable of penetrating uninjured broad-leaved trees, but B. Hartig {FornU.-naturwiss. Zeitschrift, 1894, p. 428) mentions attack and death of cut roots of healthy oaks. ^R. Hartig, Lehrbuch d. Baumkrankheiten, 1889. The translation given here is from Prof. Sonierville's English edition of Hartig's text-book, p. 210. (Edit.). 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 work.. Tubeuf, Karl, freiherr von, 1862-1941; Smith, William G. London ; New York [etc. ] : Longmans, Green & co.

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