126 FUNGI OF NOVA SCOT! A. MACKAY. 



Puccinia acuminata Peck. The sori form cushion-like, 

 dark purple spots on the under sides of the leaves of Cornus 

 canadensis. On the upper side a corresponding depression 

 marks the position of the sorus. Pictou, CLM. 



Puccinia sessilis Perse ( ?). On Maianthemum cana- 

 dense. Pictou, CLM. 



Ustilago levis (Kellerman and Swingle) Magnus. On 

 Avena sativa, WPF. 



U. nuda (Jensen) Kellerinaa and Swingle. Common on 

 Hordeum vulgar e f WPF. 



Sphacelotheca hydropiperis (Schum.) DeBary. On 

 Polygonum sagittatum. Pictou and Piedmont Valley; WPF. 



Entyloma lineatum (Cke.) Davis. On leaves of Zizania 

 aquatica. New Glasgow, W^PF. 



Uromyces trijolii. (Hedw). Lev. On Trifolium pratensc 

 and T. repens. Pictou, CLM. 



Uromyces caladii (Schw.) Farlow. On Ariscema tri folia. 

 New Glasgow, WPF. Saltsprings, Pictou, CLM. 



Chrysomyxa pirolce (DC.) Host. Middleton ; forming a 

 bright yellow coating on the under surface of the leaf of Pyrola 

 elliptica, REG. 



Cystopus candidus (Pers.) Lev. Pictou, common on Cap- 

 sella Bursapastoris, CLM. 



Uredo agrimGniw (DC.) Scliroet. Common on leaves of 

 Agrimonia eupatoria, WPF. Saltspriugs, Pictou, CLM. 



Cercospora callow Peck and Clinton. On leaves of Calla 

 palusiris. New Glasgow, WPF. 



C. leptosperma Peck and Clinton. On the leaves of Aralia 

 nudicaulis. New Glasgow, WPF. 



Cladosporium herbarum (Per?.) Link/ On decaying fungi. 

 New Glasgow, WPF. 



Sepedonium chrysospermum (Bull.) Fr. Common on 

 Boleti, (Conidial fetage of Hypomyces chrysospermus) , WPF. 



Empusa muscce Cohn. Pictou, common everywhere on. the 

 house fly, more particularly during the autumn months, CLM. 



