l44 Scientific Proceedings^ Royal Dublin Society. 



List of Authorities quoted in the Text. 



1. M. C. Potter : A new Potato Disease {Chrijsophh/ctis endobiotica), Journ. 



Board of Agric, ix., Dec, 1902. 



2. Depari'ment of Agriculture and Technical Instruction for 



Ireland, Leaflet No. 91, " Black Scab in Potatoes." 



3. A. W. BoRTHWicK : Warty Disease of Potato. Notes from the Royal 



Botanic Gardens, Edinburgl), No. xviii., pi. xxiii., 1907. 



4. B. S. Salmon : Black Scab or "Warty Disease of Potatoes. (Leaflet, 



S. E. Agrioul. College, Wye.) 



5. K. ScHiLBERSZKy : Ein neuer Sohorfparasit der Kartoft'elknollen. Ber. d. 



deutselL bot. Ges. xiv., 1896, p. 36. 



6. T. Johnson : Letter to Nature (vol. Ixxix., Nov., 1908) announcing 



success in making resting spores of Black Scab germinate. 



7. G. Massee : Linnean Society (Dec. 17tli, 1908). Proceedings of 



Meeting : Exhibit of Black Scab, with notes. 



8. T.Johnson: Spongospora solani, Branch. Econom. Proc. Roy. Dublin 



Soc, 1908. 



9. A. Fischer: Phycomycetes, 1892, in Rabenhorst's Kryptogamen-Flora, 



Abt. iv., Bd. 1. 



10. Trabut : CEdomi/ces leproides (Trab.) Sacc. Rev. Gen. de Bot., vi., 1894. 



11. P. Magnus : On some species of the genus Urophlyctis, with plates vii. 



and viii.. Annals of Botany, xi., 1897, p. 87. 



12. Prilheux : Maladies des Plantes agric, torn, i., 1895, p. 193. 



13. P. Magnus : Ueber eine neue unterirdisch lebende Art der Gattung 



Urophlyctis, mit Tafel xxvii. Ber. d. deutsch. bot. Ges., xix., s. (145), 

 1901. 



14. P. Magnus: Ueber d. in d. knolligen Wurzelauswiichsen der Luzerne 



lebende Urophlyctis, mit Tafel xv. Ber. d. deutsch. bot. Ges. Bd. sx., 

 s. 291, 1902. 



15. S. KusANO : On llie Cytology of Synchytrium. Centralb. f. Bakt. Abt. ii., 



Bd. 19, 1907. 



16. E. Marchal : llecherches biologiques sur uue Chytridiuee parasite du 



lin., Bull, de I'agric. Belg., 1901. 



17. Department or Agriculture and Technical Instruction for 



Ireland. Flax experiments, Leaflet No. 52, 1906. 



18. E. P. Wright : On Chytridia parasitic on Ectocarpus. Trans. Roj'. 



Irish Acad., xxvi., PI. vi., 1877. 



19. '1'. Johnson : Observations on the Phseozoosporese. Annals of Bot., v., 



1890. 



