194 



C. D. Sherbakoff 



Hab. On rotted tubers of Solarium tuberosum in association with 

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



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

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

 (24-37 x 3.4-3.8) /x, 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 agaribus; chlamydosporis plerumque praesentibus, 

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

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



Fig. 25. — Fusarium sanguineum. a, Pseudopionnotal conidia (one chlamydospore-like 

 conidium) from 8-days-old culture on hard lima-bean agar with 2 per cent glucose; B, pseudo- 

 pionnotal conidia from 1 4-day s-old culture on hard lima-bean agar; c, typical conidium from 

 4? -days-old culture on whole grains of wheat; d, pseudopionnotal conidia from 1 9-day s-old 

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

 culture on red raspberry cane plug; F, conidia, g, chlamydos pores, from 76-days-old culture 

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

 i, chlamydospores from 176-days-old culture on corn agar; j, sporodochial conidia from 41-days- 

 old culture 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 putridis Solani tuberosi una cum F. lutulato var. 

 zonato, Ithaca, New York, Amer. bor. 



Measurements of conidia on different media are as follows: 



