FERNS AND FERN ALLIES 
5. Pteris aquilina, L. (Brake or Bracken). Com- 
mon everywhere, mostly in open, sandy ground. 
6. Pellaea atropurpurea, Link. (Purple-stemmed 
Cliff-brake). Occurs extensively at Niagara Glen 
and at Credit Forks and in many other localities, 
usually high up in crevices of limestone cliffs. 
7. Cryptogramma stelleri, Prantl. (Slender Cliff- 
brake). Reported rare at Credit Forks on the face 
of limestone cliffs (White). 
8. Woodwardia virginica, Sm. (Virginia Chain- 
fern.) Apparently very local. There is a large colony 
of it near Snelgrove, in Peel County (White). Far- 
ther north it occurs more commonly in sphagnum bogs 
and marshes near Port Sydney, Muskoka, and other 
localities. 
9. Asplenium viride, Huds. (Green Spleenwort). 
Reported rare in crevices of limestone rocks at Credit 
Forks (White). 
10. Asplenium trichomanes, L. (Maidenhair 
Spleenwort). Common on moss-covered logs and 
limestone rocks at Niagara Glen and Oredit Forks. 
11. Asplenium angustifolium, Michx. (Narrow- 
leaved Spleenwort). Very local. Occurs with 
Aspidium goldeanum and Asplenium acrostichoides at 
Niagara Glen and at Madoc in eastern Ontario, in 
rich, damp woods. Reported also rare in low woods 
at Credit Forks (White), and from the Don Valley, _ 
Toronto.. 
12. Asplenium acrostichoides, Sw. (Silvery Spleen- 
wort). Although common in northern Ontario, near 
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