1864.] LAWSON ON CANADIAN FERNS. 269 



P. hexac/onojyterum, Miclix., A. Gray, &c. The figure in Lowe's 

 FernP, vol i, p. 1-13, tab. 49, is a little too mucli like Phegopteris, 

 F. Phegopteris, y ma jus, Hook. Fl. Bor. Amer., ii,p. 258. Hooker's 

 yS. intermciiia of Phegopteris is connectile, Willd., which A. Gray 

 refers to P. Phegopteris, L. Phegopteris hexagonoptera, J. Sm. 

 Cat., p. 17. — Canada, Goldie in Hook. Fl. B. Amer.; Chippawa, 

 C. W., P. W. Maclagan, M.D. ; Mirwin's Woods, near Prescott, 

 rare, B. Billings, jun. ; near Westminster Pond, London, W. Saun- 

 ders. Not by any means so general in Canada as in New York 

 State, where Professor Torrey states it is common. 

 P. Phegop>teris, Linn. — Frond acutely triangular in outline, acumi- 

 nate, pinnate; the pinnas linear-lanceolate, pinnatifid, lowest pair de- 

 flexed ; lobes of the pinnoe oblong,scythe-shaped,obtuse approximate, 

 entire ; rachis hairy and minutely scaly to the apex of the frond, as 

 well as the mid- ribs of the pinnae. P. Phegojjteris, Linn., A. Gray, 

 Moore, &c. Phegoj^teris vulgaris, J. Sm., P. connectile, Michx, 

 Pursh Fl. Am. Sept., 2nd ed., vol. ii, p. 659. — Canada, Hooker, 

 Black-Lead Falls and DeSalaberry, west line, W. S. M. D'Urban ; 

 Bamsay, Bev. J. K. McMorine, M.A. ; Nicolet, P. W. Maclagan, 

 M.D. ; Prescott, damp woods, not common; Osgood Station of the 

 Ottawa and Prescott Bailway ; also Gloucester, near Ottawa, grow- 

 ing on the side of a ravine, and Chelsea, C. E., B. Billings, jun ; 

 opposite Grand Island, Lake Superior, R. Bell, jun. ; L'Origual 

 and Harrington, J. Bell, B.A. 



P. Dryopteris, Linn. — Frond thin, light-green, pentangular in 

 outline, consisting of three divaricate triangular subdivisions, each 

 of which is pinnate, with its pinna9 more or less deejjly pinnatifid; 

 pinnules oblong, obtuse, nearly entire; stipe slender and weak, not 

 glandulose. P. Dryopteris, Linn. A. Gray, xMoore, &c. Phegopteris 

 Dryopteris, J. Sm. — Abundant in the woods around Kingston ; 

 Bamsay, Rev. J. K. M'Morine, M.A. ; very common in woods 

 about Prescott. B. Billings, jun. ; Montreal and Nicolet Rivers, 

 C.E., P. W. Maclagan, M.D. ; Belleville, common in the woods, 

 J. Macoun ; opposite Grand Ls'and, Lake Superior, R. Bell. jun. \ 

 River Rouge, Round Lake, Montreal, De Salaberry, west line, 

 and Black Lead^Falls, W. S. M. D'Urban ; Newfoundland, Labra- 

 dor, Somerset, and St. Joachim, Abbe Provancher; L'Orignal, 

 J. Bell, B.A. 



Var, /?. erectmn. — Frond erect, rigid, with a very stout and very 

 long glabrous stipe (18 inches long) ; beech woods at CoUins's Bay, 



