284 
Biffen, R. H. 
EL) is AO: 
Jour. Roy. Agr. Soc. Eng. 76: 309. 
Leptosphaeria culmifruga produces brittleness of stems. 
(172) 1916. . Jour. Roy. Agr. Soc. Eng. 77: 218-220. 
Abs. in E. S. R. 39: 452. 
Darnell-Smith, G. P. 
*(173) 1916. Green vitriol (ferrous sulfate) as a preventive of 
take-all. Agr. Gaz. N. S. Wales, 2% (No. 2): 1384. 
Abs. in E. S. R. 35: 750. ; 
Recommended fifty pounds per acre. 
Spafford, W. J. 
*(174) 1916. “Bunt” and “Take-all”. Jour. Agr. S. Austral. 19: 
953-961. 
*(175) 1917. Some diseases of wheat crops and their treatments. 
Jour. Agr. S. Austral. 20: 537-548. Abs. in E. S. R. 
38: 48. 
Finds on the roots many dark brown threads. A plate 
mycelium between sheath and stem is continuous with the 
root mycelium. This peels off in flakes when dry. Also 
between sheath and stem a brown band passes upward. 
Perithecia occur on roots or sheaths. Infection is mainly 
from the soil. Prevention: burn stubble, kill weeds, use 
oats. Oats are but little susceptible. Mechanical condition 
of the soil is very important. 
Tanaka eae 
*(176) 1917. New Japanese fungi. Notes and translations. Myco- 
logia 9 (No. 3): 167-172. Abs. in E. S. R. 38: 648. 
Ophiochaeta graminis causes diseases on rice. 
Godfrey, G. H. 
*(177) 1918. Sclerotium rolfsii on wheat. Phytopathology, 8 (No. 
2): 64-66, fig. 1. Abs. in E. S. R. 39: No. 9. 
Small brown lesions occurred on the crown. 
Pridham, J. T. 
*(178) 1919. Take-all, the wheat-growers’ worst enemy. Agr. 
Gaz. N. S. Wales, 30: 77-79. 
z “Whether the disease is caused by the fungus Ophiobolus 
herpotrichus, by Cladosporium herbarum, by Fusarium 
rubiginosum, or by Mucor racemosus, the result is much the 
same on the wheat plant.” * * * “The roots are rotten.” 
Brittlebank, C. C. 
*(179) 1919. Green manurial crops and “take all”. Victoria Jour. 
Agr. 17: 171-174. 
Says that McAlpine (84) clearly showed that the disease 
is due to Ophiobolus graminis. 
