344 



THE RUSTS OK NOVA S('OTl.\. - FRA8ER. 



])ulv('iMilr)H. vcUdw <<]• nraiiiic-vcllow. niiitiift-d e))iderrais 

 rather inconf^picnoii.-. rr((liiii<isi)orcs globoid or ellopsoid, 

 10-22 by 10-35^; \>all rath<'r thni. strongly verrucose; con- 

 tents orange-yellow. sl'>wing' fading to cfdonrless. 



TIT. Telia liyi)<)piiyllous, scattered or crowded and con- 

 riuenty roundish or irregular, slightly elevated, small reddish- 

 orange. Teliospores terete. 18-25 by r)4-85/x, round or obtuse 

 at both ends, wall swelling above 30-40^; contents orange- 

 yellow; basidios]iores globoid or ellipsoid, about 12 by 18^, 

 yellowish. 



TJ^redinia and telia on Soliddf/o and Aalcr species, T:*ictou, 

 Truro, etc. The following liosts Avere det^erniined : Solidarjo 

 hicolor L., S. rugosa Mill.. S. canadensis L., Asler cordifolius 

 L.. .1. iimb'eUatus Mill.. -1. latcrijiorus ( L. ) Britton. 



The uredinial and lelial stages of this rust are very com- 

 mon on the various spfcies of i^olidaijo nud Astpv near Pictou, 



and prnlndil\' thfoughout rhc 

 Province. 'Idle aeeial stage is 

 found on Pinus yifi'ida Mill, and 

 in North America is known only 

 from a small area from Massa- 

 ehusett.s to southern New 

 O \SXJ'OkJ^^'^' Jersey. (Arthur «fe Kern, Tiull. 



'Wn-Y. Tiot. (dub, 33:413. 1906). 

 Since the aeeial stage (Feri- 

 doiiiiitn aricolum Und. k l^^arle ) a])]>ears t<"i be limited to a 

 small region along the Atlantic coast, am! the other stages are 

 'Miiiiiiiou ahiiost throughout the I'liitcd States and Canada, the 

 •piestion arises how it passes the \vint<'r. Clinton carried out 

 some experiment's that would tend to show that the mycelium 

 was not perennial in the i-ootst/ocks (Conn. Exper. Sta. Report 

 378, 1007). Tfe lM'li<-ves ihat the iriycelinni (d' the fungus is 

 carried over the winter in the ba^al rosettes of young leaves 

 whi(di )rniv survive the vintei-. 



1. Section of teliunj of Coleoaporiuiii 

 SolidaginiK. 



