—74— 



Selaginella rupestris Spring. Rocks. Widely distrib- 

 uted and common locally in the Laurentian region. 



Selaginella apus Spring. Springy places. Scarce. 

 Widely distributed throughout the province, with the ex- 

 ception of northern Ontario. 



ISOETACE^. 



Isoetes macrospora Dur. Reported only from River 

 St. Marie, at the head of the Canal, by Macoun. 



Isoetes echinospora braunii Englem. Reported only 

 from Partridge Lake, Addington County, by Macoun. 



Isoetes canadensis A. A. Eaton. Reported from Crow 

 River, above dam of Marmosa Iron Works, Hastings 

 County, and Salt River, at head of Mud Turtle Lake, 

 Victoria County, by Macoun. 



Guelph, Ontario. 



BOTRYCHIUM BITERNATUM 



By L. H. McNeill. 



In the late seventies and early eighties, while yet a 

 boy, I had the extreme good fortune to be a personal 

 friend of the late Dr. Chas. Mohr, and in his delightful 

 company strolled through the woods in this neighborhood 

 numberless times, gathering an education in, and a love 

 for, the flora of our State, that has never left me. It 

 was not until the spring of 1904, however, that the notion 

 seized me that I should take up the study of ferns, for 

 pastime more than anything else, but the interest grew to 

 such an extent that at this date I find myself almost in 

 the " Pteridomaniac " class. 



After gathering our common varieties and scouring 

 the woods for miles around for new ones, with indiffer- 

 ent success, I remembered the doctor had called my at- 

 tention to a particular variety of Botrychium that he said 

 was quite rare, it having been found in only a few iso- 

 lated localities, Mobile being one of them. I also remem- 



