PLATE XXVIII. 



a, d, g. E. radicalis. b, e, h, j. E. gyrosa. c, f, i, k. E, gyrosa var. parasitica, 

 p. 367. a-c. ascospores ; d-f. spores in ascus ; g-i. conidial spores ; j-k. isolated 

 perithecia, k. showing mycelium from germinating ascospores within. 



SPORE STAGES OF THREE AMERICAN ENDOTHIAS. 



