CLINTON: NORTH AMERICAN USTILAGINEAE. 
515 
— on oats, U. destruens, U. Maydis , U. Secalis , Urocystis occulta, and 
Tilletia Lolii.) 
104. Kuhn, J. Die Brandformen der Sorghum-Orten, Tilletia Sorghi Tul. und 
Ustilago cruenta Kuhn. Handb. Gart. Blumenz., 28: 177-178. 1872. 
(Briefly discusses the two species of which TJ. cruenta is described as 
new.) 
[105. It w r as found necessary to omit this reference.] 
106. Kuhn, J. Die Anwendung des Kupfervitrioles als Schutzmittel gegen 
den Steinbrand des Weizens. Bot. Zeit., 31 : 502-505. 1873. 
(Gives tables showing effect of copper sulphate, etc., on germination of 
spores of Ustilago segetum on oats and Tilletia foetens, a \°f 0 solution 
—|-10 lirs. soaking — preventing germination of spores but not injuring 
seed soaked in it for 12 hours.) 
107. Kuhn, J. Ueber die Entwickelungsformen des Getreidebrandes. Naturf. 
Ges. Halle, 1874. (Bot. Zeit., 1874 : 121-124.) 
(Gives an account of investigations with the smuts of the common cereals, 
including manner of infection, etc.) 
108. Kuhn, J. Tilletia Secalis eine Kornbrandform des Roggens. Bot. Zeit., 
34 : 470-472. 1876. 
(Gives a description of this smut of rye, which is rarely found, and places 
it under the genus Tilletia.) 
109. Kuhn, J. Die Brandformen der Sorghumarten. Mitth. Ver. Erdk. 
Halle, 1877. [Hedw., 17 : 6-14. 1878.] 
(Gives differences between the smuts found on Sorghum.) 
110. Lugger, O. List of Parasitic Plants found near the Station. Ann. Rept. 
Minn. Agr. Exp. Sta., 1893 : 307-312. 1894. 
(Lists, among other fungi, about a dozen species of smuts from Minne¬ 
sota.) 
111. Magnus, P. Ueber einige Arten der Gattung Schinzia Naeg. Ber. Deut. 
Bot. Ges., 6: 100-104. 1888. Illustr. 
(Describes the three species of this genus, two being new; objects to the 
use of Entorrhiza Web., as the generic name, since Schinzia Naeg. has 
preference through priority.) 
112. Magnus, P. Beitrag zur Kenntniss einer oesterreichisclien Ustilaginen. 
Oesterr. Bot. Zeits., 42 : 37-40. 1892. Illustr. 
(Discusses Ustilago cingens Beck., and places it under Melanotaenium, 
as M. cingens ; says it is the same as M. caulium.) 
113. Magnus, P. Cintractia Krugiana Magn., n. sp. Engl. Bot. Jahrb., 17 : 
490. 1893. Illustr. 
(Describes this smut on Rhynchospora gigantea from Porto Rico, dealing 
especially with manner of spore formation.) 
114. Magnus, P. Ueber die Ustilagineen-Gattung Setchellia Magn. Ber. 
Deut. Bot. Ges., 13 : 468-472. 1895 Illustr. 
(Gives structural characters of this new genus which is based on the 
species Doassansia punctiformis; the spore balls are only partially sur¬ 
rounded by a cortex.) 
115. Magnus, P. Die Ustilagineen (Brandpilze) der Provinz Brandenburg. 
Verh. Bot. Yer. Prov. Brand., 37 : 66-97. 1896. Illustr. 
