FUNOI OF NOVA SCOTIA. MACKAV. 125 



Perideiiniuni balsameiun Peck. The aecidia are white, 

 arranged in two irregular rows on the under side of the leaves. 

 The whole leaf takes on a bleached appearance. 1 have only 

 found this species occurring at considerable altitudes. Pictou, 

 CLM. 



Peridermium decolorans. Peck. On Picea rubra. Pictou, 

 CLM. 



Perider)nium eJatuiutn (A. «i' S. ) K. & S. On Abies 

 balsamea, causing" the formation of "' witches' brooms." 

 Pictou, CLM. 



Puccinia suaveolens (Pers.) Rostr. Pictou, appearing 

 throughout spring and summer on the leaves and stems of the 

 Canada thistle. Affected plants appears very rarely to mature 

 -seed if at all, CLM. On leaves of Carduus lanceohitus. New 

 Glasgow, WPF. 



P. iaraxacl Plow. On Taraxacum ofjichmle. Pictou, 

 CLM. 



P. coronata Corda. Common on leaves of Avena sativa. 

 Pictou and New CTlasgow% CLM. WPF. 



P. rubigo-vera (DC.) Wint. On leaves of Agvopyvon vul- 

 gare. New Glasgow, WPF. 



P. orbicula Peck and Clinton. On Nabalus. New Glas- 

 gow, WPF. 



P. mentJuc Pers. On Mentha. Piedmont Valley, WPF. 

 Pictou, CLM. 



P. circcece Pers. On Circcea. French River and New 

 Glasgow, WPF. Saltsprings, Pictou, CLM. 



P. cicufcp Larch. On leaves of Cicuta macidata. Piechuont 

 Valley. WPF. Pictou, CLM. 



P. asteris Dubv. Common (tu Aster niacropJujlliini. West- 

 ville, WPF. 



P. violw (Schum.) DC. Commoii on Viola. Pictou, 

 CL.M and WPF. 



P. cknjtoniata (Scliw.) Syd. On Claylonia rirginica. 

 Loch Broom, WPF. 



