28 
Mycologia 
Three successful sowings of culture aeciospores on Onoclea sen- 
sibilis L. but failure to infect Osmunda Claytoniana L., Osmunda 
regalis L., Aspidium Theiypteris (L.) Sw., Asplenium Filix- 
femina (L.) Bernh., and Phegopteris Dryopteris (L.) Fee. 
Melampsora Medusae Thfim. Teliospores from Populus 
grandidentata Michx., infected Tsuga canadensis (L.) Carr, but 
failed to infect Larix laricina (DuRoi) Koch. 
Pucciniastrum Myrtilli (Schum.) Arth. Teliospores from 
Gaylussacia resinosa (Ait.) T. & G., infected Tsuga canadensis 
(L.) Carr. 
Calyptospora columnaris (Alb. & Schw.) Kuhn. Teliospores 
from Vaccinium pennsylvanicum Lam., infected Abies balsamea 
(L.) Mill. 
Macdonald College, 
Province cf Quebec. 
