194 



CD. Sherbakoff 



Hab. On rotted tubers of Solanum tuberosum in association with 

 F. lutulatum var. zonatum, Ithaca, New York. 



Latin description. — Conidiis typice vaKde arcuatis, gradatim in apicem 

 acutis, distincte pedicellatis, 3-5-septatis — conidiis 3-septatis, 33.5x3.6 

 (24-37 X 3.4-3.8) M, conidiis 5-septatis, 45.2x4.1 (40-47 x 3.9-4.2) m — 

 continuis, minutis vel mediocribus (usque ad 2 mm. diam.) sporodochiis 

 et pseudopionnotibus, quo fructificationis modo in plurimis mediis fre- 

 quentissimo imprimis in agarib us; chlamydosporis plerumque praesentibus, 

 intercalaribus in conidiis et in hyphis, singulatim ortis, catenulatis vel 

 uveosis; aerio myceho raro plene maturo, sed, cum plene maturum, turn 



Fig. 25. — Fusariuni sanguineum. a, Pseudopionnotal conidia {one chlamydospore-like 

 conidium) from 8-day s-old culture on hard lima-hean agar with 2 -per cent glucose; b, pseudo- 

 pionnotal conidia from lJj.-day s-old c\dture on hard lima-hean agar; c, typical conidium from 

 47-days-old culture on whole grains of ivheat; d, pseudopionnotal conidia from 19-days-old 

 culture on slightly acidified hard potato agar; e, pseudopionnotal conidia from 23-days-old 

 culture on red raspberry cane plug; F, conidia, G, chlamydospores, from 76-days-old culture 

 on potato tuber plug; h, conidiophores from 23-days-old culture on red raspberry cane plug; 

 I, chlamydospores from 1 76-days-old culture on corn agar; j, sporodochial conidia from 4^ -days- 

 old cidture on rye straw; k, conidia from 176-days-old culture on corn meal; L, conidiophores 

 from 47-days-old culture on whole grains of wheat 



ex albo varie rubello tincto, in agaribus variis plerumque absente, pseudo- 

 pionnotes "ox-blood red" (R) exponente. 



Hab. In tuberibus ^utridis Solani tuberosi una cum F. lutulato var. 

 zonato, Ithaca, New York, Amer. bor. 



Measurements of conidia on different media are as follows: 



