LITERATURE CITED. 



(1) Allaed, H. a. 



1914. The mosaic disease of tobacco. U. S. Dept. Agr. Bui. 40, 33 p.». 

 7 pi. 



(2) 1915. Effect of dilution upon the infectivity of the virus of the mosaic 



disease of tobacco. In Jour. Agr. Research, v. 3, no. 4, p. 

 295-299. 

 (8) 1915. Distribution of the virus of the mosaic disease in capsules, fila- 

 ments, anthers, and pistils of affected tobacco plants. In 

 Jour. Agr. Research, v. 5, no. 6, p. 251-256, pi. 23. 



(4) 1916. Some properties of the virus of the mosaic disease of tobacco. In 



Jour. Agr. Research, v. 6, no. 17, p. 649-674, pi. 91. Literature 

 cited, p. 673-674. 



(5) 1916, The mosaic disease of tomatoes and petunias. In Phytopathology. 



V. 6, no. 4, p. 328-335, 2 fig. 



(6) 1917. Further studies of the mosaic disease of tobacco. In Jour. Agr. 



Research, v. 10, no. 12, p. 615-632, pi. 63. 



(7) 1918. Effect of various salts, acids, germicides, etc., upon the infec- 



tivity of the virus causing the mosaic disease of tobacco, hi 

 Jour. Agr. Research, v. 13, no. 12, p. 619-637. 



(8) 1918. The mosaic disease of Phytolacca decandra. In Phytopathology^ 



V. 8, no. 2, p. 51-54, 2 fig. 



(9) Amelung, Eeich. 



1S93. Ueber mittlere Zellengrossen. In Flora, Bd. 77, Heft 3, p. 176-207. 



(10) Baix, E. D. 



1909. Some insects injurious to trucli crops. The leafhoppers of the 

 sugar beet and their relation to the " curly-leaf " condition. 

 In U. S. Dept. Agr., Bur. Ent. Bui. 66, pt. 4, p. 33-52, pi. 1-4 

 Bibliographical references, p. 48. 



(11) Baue, Eewin. 



1904. Zur Aetiologie der infektiosen Panachierung. In Ber. Deut. Bot. 

 Gesell., Bd. 22, Heft 8, p. 453-460. 



(12) 1906. Ueber die infektiose Chlorose der Malvaceen. In Sitzber. K. 



Preuss. Akad. Wiss., Jahrg. 1906, Stiick 1, p. 11-29. 



(13) 1906. Weitere Mitteilungen ueber die infektiose Chlorose der Malvaceen. 



und fiber einige analoge Erscheinungen bei Ligustrum und 

 Laburnum. In Ber. Deut. Bot. Gesell., Bd. 24, Heft, 8, p. 

 416-428. 



(14) 1907. Ueber infektiose Chlorosen bei Ligustrum, Laburnum, Fraxinus, 



Sorbus und Ptelea. In Ber. Deut. Bot. Gesell., Bd. 25, Heft 7, 

 p. 410-413. 



(15) 1907. Untersuchungen ueber die Erblichkeitsverhaltnisse einer nur in. 



Bastardform lebensfahigen Sippe von Antirrhinum majus. In 

 Ber. Deut. Bot. Gesell., Bd. 25, Heft. 8, p. 442-454. 



(16) 1910. Pfropfbastarde. In Biol. Centbl., Bd. 30, No. 15, p. 497-514, 7 fig. 



37 



