48 STATE HORTICULTUBAL SOCIETY 



MARSONIA. 



535. M. juglandis, Sacc. 



Trees of Butter-nut nearly defoliated by middle of Au- 

 gust. Not so severe on Black Walnut. 



536. M. martini, Sacc. 



Abundant on English Oak; majority of leaves affected; 



also occurred on Burr Oak. 

 SEPTORIA. 



537. 8. brunellae, E. & H. 



On leaves of Brunella vulgaris. 



538. 8. chrysanthemi, E. & D. 



On leaves of chrysanthemums. 



539. 8. rubi, West. 



Abundant on Rubus ordoratus, E. canadensis. August 

 and September. Leaf spot. 



540. 8. ribis, Desm. 



Abundant on Ribes nigrum, June and September. 



541. 8. pachyspora, Ell. & Hoi. 



On leaves of Zanthoxylum americanum. 



542. 8. silphii, E. & E. 



On Silphium perfoliatum. 



543. 8. alismatis, Oudem. 

 On Alisma plantago. 



544. 8. besseyi, Pk. 

 On ash. 



545. 8. equisiti, Desm. 

 On Equisetum. 



546. 8. lobeliae, Pk. 



On Lobelia spicata. 



547. 8. rudbeckia, Ellis & Halsted. 



On Rudbeckia triloba and laciniata. 



548. 8. dianthi, Desm. 

 Leaf-spot on carnations. 



549. 8. cerasina, Peck. 

 Gun-shot fungus of cherry. 



