14 HISTORICAL INTRODUCTION 



Bignonia venusta (flame vine) Dickey and Reuther, 1938 

 Thunbergia grandiflora Dickey and Reuther, 1938 

 Lactuca sativa (lettuce) Gilbert and McLean, 1928 



Zea mais (maize) Suthert and Ingle, 1908 



Saccharum officinarum (sugar cane) Lee and McHargue, 1928 



Oryza sativa (rice) Aso, 1904 



Phalaris bulbosa (Toowoomba canary grass) Samuel and Piper, 1929 



Phleum pratense (timothy) Gram, 1936 



Avena sativa (oat) Bertrand, 1905 



Arrhenatherum avenaceum (tall oat grass) Gram, 1936 



Danthonia penicillata (slender Wallaby grass) Samuel and Piper, 1929 



Bromus uniloides (prairie grass) Samuel and Piper, 1929 



Triticum vulgare (wheat) Nazari, 1910; Andouard and Andouard, 1911 



Secale cereale (rye) Scharrer and Schropp, 1934 



Hordeum distichum (barley) Katayama, 1906 



Lolium subulatum (Wimmera rye-grass) Samuel and Piper, 1929 



Lemna minor (duckweed) Hopkins, 1931 



Allium Cepa (onion) Gilbert and McLean, 1928 



Chlorella Hopkins, 1930 

 Ditylum brightwelli Harvey, 1939 



Rhizopus nigricans McHargue and Calfee, 1931 



Saccharomyces cerevisiae (yeast) McHargue and Calfee, 1931 



S. apiculatus (yeast) Seiss, 1908 



S. ellipsoideus (yeast) Seiss, 1908 



Aspergillus niger Bertrand and Javillier, 1911 



A. flavus McHargue and Calfee, 1931 



Ceratostomella Ulmi Ledeboer, 1934 



Trichophyton interdigitale Mosher, Saunders, Kingery" and Williams, 



1936 

 Phymatotrichum omnivorum Rogers, 1938 



Streptococcus lactis Zlataroff and Kaltschewa, 1936 



Lactobacillus casei Woolley, 1941 (increased rate, but not extent, of 

 growth) 



Zinc 



Carya olivaejormis (pecan) Alben, Cole and Lewis, 1932 



Juglans regia (walnut) Chandler, Hoagland and Hibbard, 1932 



J. Hindsii (black walnut) Chandler, Hoagland and Hibbard, 1935 



Populus sp. (Carolina poplar) Chandler, Hoagland and Hibbard, 1935 



Ficus Carica (fig) Chandler, Hoagland and Hibbard, 1935 



Fagopyrum esculentum (buckwheat) Sommer, 1928 



Sinapis nigra (black mustard) Hoagland, Chandler and Hibbard, 1936 



