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 VALSA. 225 where leaves of the alder are dried in sumnier for use as winter-fodder for goats. In the branches attacked, a mycelium is developed in the vessels of the wood, whereby the supply of water is stopped and the bark dries up. Black lens-shaped stromata arise under the epidermis of the twig and rui)ture it. The peritliecia are produced under the stromata
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 VALSA. 225 where leaves of the alder are dried in sumnier for use as winter-fodder for goats. In the branches attacked, a mycelium is developed in the vessels of the wood, whereby the supply of water is stopped and the bark dries up. Black lens-shaped stromata arise under the epidermis of the twig and rui)ture it. The peritliecia are produced under the stromata in the bark, and communicate o o* ly Fio. Ujy.— Valm oj-i/itomu on Atnus tiiulis. A, I'ortion ol liniiu-li witli stroiiui of Vatsa breaking tbinrngh the periderm at four places. W, Knbirgod section through :i stroma from A. C, And and aHcospores, isoLited from a i>eritliucium. D, I'ortion of younger liranch witli periderm ruptured Jiy stromata, in wliicli, however, the jieritlieeia are not yet developed. £, Enlarged section through a stroma of J). (After v. Tulieuf.) with the exterior liy means of long projecting necks. Tht- asci contain eigiit unicellular spores of u slightly bent, md like shajtc. Maturity is reached (ni (he ihy dead twigs. this is itlentiial in ajjpeaiiince with uiu' I to Ik* due to ;i Iji-dle {('ri/ptdrltijiichns Uijiathi).
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