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FKUN-FU)UA (»F CANADA. 



235 



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a. Cll. ORACH. I, IMA, D. C. Knton. S/rmffr Up Fvrn, or Lace Fern, Rhiz»>nu» 

 iTi'i'piii)^, iMitan^lfci, si-aly ; stipe 2 () iiu'lu's, tiark, witli sparing- iliH-idiiotis siali-s ; 

 lainitia liiicai'-lanci'olati', biptniiad*, tlu> piiiiia- piniiatil'ul, piiitiiili's oval-i>htoit^, wooly 

 i)i'nrath. 



liritish Colunihiii, rare. Near the Peiul il'Oreille Kiver. X'aneoiiver Islaiul. 



GENTS Vm. -PtOrlS, Linn.kis. lintki'.or lirmkiH. 



Pr. Ayni.lNA, Ijiui.'eus. Cmnmon /inikr, /''.mrli' Fi'ni. Klii/ume eliii)j>fate ereepitij.f ; 

 stipe stout, ereet, 1 to 4 feet lii^li, tiividi'il iiiti> tiiree braiulieil l.imin.e ; l)raiulieH 

 bipitiiiate, the pinna* pinnatiliil, with obiori^-laneei>lale lateral pinnules and usually 

 elon>fated terminal ones, lobes <^i the frond tirni, (.lull j^reen, j^jlabrous. Varies with the 

 pinnules pinnatitid or entire. 



V'ar. l.ANiUilNOSA ; divisions of the frond bipinnate, thin and membranous, not haril, 

 pinnules pinnatitully toothed, the teeth rounded, under surface, with lonj;', scattered wool- 

 like hairs. 



in woods .'ind on hill-sides, common everywhere, except in the prairie countries ai\«.l 

 in the colder northern rt'^^ions. \'ar. laiiiiirjnosd, (which is a prevalent form in tiopical 

 countries) g-rows in Claspe, (Jurhcc, (Dr. John Hell, 1862), also in liritish Columbia, 

 (Prof. Macoun). 



GENTS IX.- Pollsea, Link. Cliff lirake. 



1. P. Stiu.lkri, Beddome. Stcllcrs Cliff lirake. — Rhizome slender, creeping', 

 sending up separate, not tufted, fronds, 3 to g inches high, whole pl.int gljibrous ; lamina 

 pale green, thin aiul papery, a very few inches long, bipinn.ite or tiipinnate, some of the 

 smaller barren fronds scarcely more than pinnate ; pinii.'e 5 or (> pairs, U>bes of the barren 

 frond rounded, oval, veiny ; of the fertile fronil much n.irrower, linear-lanceolate, hrmer ; 

 sori at the tips of the forked veins, along the margins. The surface of thr soil or rocks 

 around the plants is often covered with a green growth oi pro-thallia (Sporelings), flat 

 thallus growths arising from spores and from which the first young fronds o^ the new 

 plants may be seen to sprout. 



On shelving clifTs and crevices of rocks, rather rare. Neiv li m nswirk.- —"Morris Falls 

 Restigouche ; Grand Falls, Woodstock. Quebec. — Lake of Three Mountains ; Cacouna ; 

 Riviire du Loup ; Gaspe. Ontario, — Ottawa ; Belleville ; Lakefield ; Niagara River. 

 Also Peace Rivr Pass, N. W. T., and Labrador. 



2. P. ATROPL'RPLREA, Link. Clayton's Cliff Brake : — Rhizome short knot-like; 

 stipe and rachis almost black, shining, 6 to 12 inches high : lamina coriaceous, pinnate, 

 divisions opposite, linear-oblong or somewhat oval. 



Ontario: — Hamilton; Elora ; Niagara Whirlpool; Owen Sound. British Colum- 

 bia : — Black Canyon and Cache Creek. Rocky Mountains, rare. F'irst found by John 

 Clayton, about 1735, on the shore of the river Rappahannock. 



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