SUMMARY
The nodulosa group of the genus Bipolaris, including B. coicis (Nisikado) Shoemaker (= Curvularia coicis Castellani), B. kusanoi (Nisikado) Shoemaker, B. hadrotrichoides (Ell. & Ev.) Luttrell comb, nov., and B. nodulosa (Berk. & Curt, in Sacc.) Shoemaker, is characterized by ovate-ellipsoid to obclavate-fusoid, brown, thin-walled, 3–7-septate conidia and nodulose conidiophores with swollen, pestle-shaped tips which are at first hyaline and are late in becoming brown.