406 THE KUSTS OF NOVA SCOTIA. — FRASEK 



oblong-clavate or obloiic;, 16-22 bv 45-(;0/t, constricted at the 

 septum, apex rounded or aciiiniiinte ; wall dark brown, niucb 

 thickened at the a]iex, 18/a or les^, smooth; jiedicel tinted, per- 

 sistent, shorter than or equalling the spore. 



On Cornus canadensis L., Pictou and Truro, (Prof. C. L. 

 Moore. 



Puccinia Acetosae (Schum.) Koern. 

 Puccinia R ion Iris Lasch. 

 0. Pycnia not observed. 

 T. Aecia not known, prolinblv not formed. 



II. Ui-edinia amphigenous, mostly hypophvllous, scattered, 

 small, round'ed, pulverulent ferruginous. T^rediniospores 

 globose, ellipsoid or pyriform, 20-24 by 22-28iU., somewhat 

 spiny, brownish, 



III. Telia similar to the uredinia but oblong on the stem 

 and dark brown. Teliospores ovoid, ellipsoid, oblong or sul> 

 clqvate, 19-26 by 30-46M, rounded at both ends or slightly 

 narrowed below, somewhat constricted at the septum ; Avail 

 uniform, finely verrucose, chestnut-brown; ])edicel hyaline 

 slender, deciduous, up to 3.")/* long. 



On Rumex Acctosella L., Pictou. 



This rust was collected in om» ])laco nc^ar Pictou and this 



collection showed only a scanty development of urediniospores. 



Though search was made during the summer it was not found 



elsewhere. The rust is not consjiicuous and may have been 



overlooked. 



I 



Puccinia Menthae Pers. 



0. Pycnia in small grou])s, lioncv-coloured, conspicuous. 



1. Aecia hypophvllous. on yellowish spots, sometimes 

 purple, circinate. Aeciospores sub-globose or polygonal 16-25/x, 

 verrucose, pale yellow. 



