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Figs. 274-282: Fig. 274. — Beech fern, Phegopteris poly podi aides; Fig. 275. — 

 Maiden-hair iern, Adianttim pedatmn, portion of frond; Fig. 276. — Wood spleen- 

 wort, yl5/>/e?jr;/wafro5//r/w/^c5; Fig. 277. — Pale wood fern, Aspidiuni novaboracense; 

 Fig. 278. — Christmas fern, Polystichium acroslichoides; Fig. 279. — Lady fern, 

 Asplenium Filix-femina; Fig. 280. — Margined fern, Asp/'dium marginale; Fig. 281 — 

 Florists' fern, .4. spimdoswn; Fig. 282. — Ostrich fern, Onoclea slrulhtopteris. 



