STUDIES OF DISEASE PRODUCING SPECIES OF FUSARIUM. 257 



Host Index. 



Apple fruit, (Pyrus malus L.) 



F. pirinitni, F. helianthi (sub var.) 

 China aster, (Callistcphiis hortensis Cass.) 



F. conglutinans. 

 Dent corn, (Zea mays L.) 



F. discolor var. majiis, F. poae. 

 Flint corn, {Zea mays L.) 



F. poae, (F XLVIII and XLIX. not studied by Dr. Wollenweber). 

 Sweet corn, (Zae mays L.) 



F. poae. 

 Cucumber, {Ciicumis sativus L.) 



F. orthoceras, F. reticidatum, F. argillaceiiui. 

 Fowl meadow grass, {Poa tri flora Gilib.) 



F. poae. 

 June grass, {Poa pratensis L.) 



F. poae. 

 Quack grass, (Agropyron repens (L.) Beauv.) 



F. poae. 

 Red top, (Agrostis alba L.) 



F. poae. 

 Timothy, (Phleum pratense L.) 



F. poae, F. reticidatum. 

 Pea, (Pisum sativum L. 



F. orthoceras. 

 Potato (Sclanum tuberosum L.) 



F. poae, F. orthoceras, F. solani, F. conglutinans. F. helianthi, 

 F XXXVIIL (The latter not studied by Wollenweber but 

 according to Lewis is identical with F. pirinum.) 

 Summer squash (Cucurbiia pepo L.) 



F. helianthi 

 \\'inter squash (Cucurbiia maxima Duchesne) 



F. reticulatum, F. cidmorum. 

 Srnflower (Helianfhus annuus L.) 



F. helianthi 

 'I'omato (Lycopersicon esculentuni Mill.) 



F. citrinum. 

 Wheat (Triticum sativum Lam.) 



F. metachroum, F. reticidatum. 



List op Species Giving Hosts from Which They Were Tsoi.ATEn and 

 Summary of Inoculation Tests. 



F. argillaceum (Fries) Sacc, from cucumber. 



Produced decay of cucumber on inoculation. 

 F. citrinum nova species, from tomato. 

 F. conglutinans Wr. from china aster and potato. 



Caused decay of cucumber but not of apple fruit (?). 



