On the Ferns in the Vicinity of Montreal. 493 



Aspidium spinulpsum, Swartz. — Wood Fern. — In moun- 

 tain swamps, between the cemeteries, and on the w T est 

 mountain, not common. 



Aspidium spinidosum, Swz., var. intermedium, D.C.E. — 

 Woods and shaded hillsides, in drier places than the last, 

 found in several localities on all three mountains, but 

 nowhere common. 



Aspidium eristettum, Swartz. — Shield Fern. — Swamp 

 between the cemeteries and in mountain swamps, not 

 common. 



Aspidium eristatum, Swz., var. Clintonianum, D.C.E. — 

 In the same localities as the last, distinguished chiefly by 

 its size and the position of the sori. 



Aspidium Goldianum, Hook. — Recorded from Montreal 

 Mountain, by G-oldie, Maclagan, McCord and Goode, and 

 from Nun's Island, by Parsons. I have "been unable to 

 find it on the mountain. 



Aspidium marginal^ Swartz. — Shield Fern. — Rocky 

 hillsides, common in many places. 



Aspidium acrostichoides, Swartz. — Christmas Fern. — 

 Not common, on the rocky hillside above Ravenscrag, and 

 on the north mountain. The form known as var. ineisum 

 is recorded by McCord in 1861. 



Cifstopteris bulbifera, Bernh. — Bladder Fern. — Common 

 on the east slope of Mount Royal, and on the north and 

 west mountains. 



Cystopteris frag His, Bernh. — In crevices of shaded cliffs, 

 rather common in various places on all three mountains. 



Onoelea sensihilis, Linn. — Sensitive Fern. — Common in 

 swampy places. The occasional form known as var. 

 obtusilobcda occurs in the mountain swamps. 



Onoelea Strut// iopteris, Hoffm. — Ostrich Fern. — Common 

 in the swamp near the Riding Ring, Mount Royal ; occurs 

 also in the mountain swamps. 



Woodsia Ilrensis, R. Br. — Woodsia. — Common all along 

 the exposed cliff's on the face of Mount Royal. 



