Fig. 48. Diseases of Lima Bean. 



a. h. c. different stages of downy mildew on pods, d. tuft of conidiophores and 

 conidia of Phythophthora phaseoli, e. same as d. but greatly enlarged, /. g. conidia 

 germinating by means of a germ tube, h. i. j. k. germination of conidia by means of 

 zoospores, /. germinating zoospores (d. to I. after Thaxter), m. «. fertilization of the 

 oogonium by the anthendium, o. Phoma blight on foliage, p. Phoma blight on pods 

 {0. and p. after Halsted), r. mature oospores of P. phaseoli (o. to c, m. n. and r. 

 after Clinton). 



