184 



C. D. Sherbakoff 



color of aerial mycelium and of substratum from white to clay (PI. iii, 

 fig. 1) and pink, similar to the color of F. hullatum var. roseum (PL iii, 

 fig. 2). 



Hab. On rotted tubers of Solanum tuberosum, together with F. Solani 

 and F. oxysporum, New York State. 



Latin description. — Conidiis in aerio mycelio sparsis vel in pseudopion- 

 notibus et sporodochiis distinctis; typis variis: interdum microconidiis 

 unicellularibus, plus minusve pyriformibus, sporotrichialibus; interdum 



Fig. 22. — Fusarium sporotrichioides. a, Pseudopionnotal conidia, b, various simple conidio- 

 'phores, c, balls of conidia, d, germinating conidium, from 5-days-old culture on hard potato 

 agar; e, sporodochial conidia, f, chlamydospores, G, ball of conidia, h, compound conidiophores, 

 from 86-days-old culture on hard potato agar; i, sporotrichial conidia (some germinating), 

 J, conidiophores, from aerial mycelium of 16-days-old culture on wheat grain; K, typical, thick- 

 walled sporotrichial conidia, l, sickle-shaped conidia, m, conidiophores producing sickle-shaped 

 conidia, n, conidiophore producing sporotrichial conidia, o, plectenchymic stroma, from 52- 

 days-old culture on red raspberry cane plug 



macroconidiis falciformibus, 3-10-septatis, apice acutis, pedicellatis; 

 conidiis 0-septatis sporotrichialibus plerumque 10.5x6 (9.5-11.4x5.6- 

 6.5)ju; falciformibus, 3-septatis 30.4 x 3. 8^, et 5-septatis 50.5x4.3ju; 

 conidiis pseudopionnotum gradu similibus conidiis F. anguioidum ; chlamy- 

 dosporis saepe visis, intercalaribus, plerumque minutis uveosis; aerio 

 mycelio substratoque ex albo argillaceo vel rubello, simih colore F. buUati 

 rosei. 



