Champignons danois représentés dans l'herbier d'ERostrup . gus et thusfinding l'hétéroecisme de Gymnosporangium sabinae, juniperi andclavariiforme en même temps et indépendamment de de de Barys dissDiscovery de l'hétéroecisme de Puccinia graminis, Dispersa et coronata.More de livres de 0rstf.ds traitent principalement les maladies des plantscultivés et leur contrôle (0rsted 62, 63 c, 63 d, 65 c, 66 b); nous devons alors le saisir le prédécesseur le plus proche de Rostrlp, à la fois en tant que mycologiste et en tant que phyto^pathologiste. (Concernant 0rsted voir R Brown: Biogra*phical sketch du regretté professeur 0rsted. Transac

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Danish fungi as represented in the herbarium of ERostrup . gus and thusfinding the heteroecism of Gymnosporangium sabinae, juniperi andclavariiforme at the same time and independently of de Barys disscovery of the heteroecism of Puccinia graminis, dispersa and coronata.More of 0rstf.ds books treat chiefly the diseases of cultivated plantsand their control (0rsted 62, 63 c, 63 d, 65 c, 66 b); we must thereforeconsider him the closest predecessor of Rostrlp, both as a mycologist, and as a phyto^pathologist. (Concerning 0rsted see R Brown: Biogra*phical sketch of the late Professor 0rsted. Transact, of the Bot. Soc. ofEdinburgh vol. XI 1872). Concerning the Danish mycologists before Rostrip further biografi?cal information may be obtained from Worm: Lexicon over la^rdeMaend, N. M. Pedersin: Bidrag til den danske Litteraturs Historic, NyeriP &. Kraft: Forfatterlexicon, Erslev: do., Eig. Vvarming: Dendanske botaniske l.itteratur, Bot. Tids. vol. XII and Bw: Tiling tilsamme vol. Xll, Bkick.: Biografisk Lexicon etc. A. S. 0RSTED.From a photo. 19. PHYTOPATHOLOGY IN DENMARK BEFORE ROSTRUP. It is necessary to premise that by phytopathology in this connec* tion I shall restrict this word to comprise the attack of the fungi on plants, this being the part of phytopathology with which Rostrup chiefly dealt; on account of circumstances he had not the opportunity of dealing so much with the noxious animals etc. From the very outset phytopathology — as is still the case — was, to a much greater extent than mycology connected with the interest of practical life, though each has several common relations with the other; at first phytopathology rela? ted to agriculture, and the first Danish book on phytopathology was written by Fabricius who, from 1770 to 1775, was Professor oeco* nomiae of the University of Copenhagen i. e. he had to lecture on political and agri# cultural economy etc.JoHAN Christian Fabricius was born at Tender in 1745 and died in Kiel on March3. 1808. In fact he

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