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Nephrodium, Rich, (Lastrea,) — cottt. 
N. Filix-mas, Desv. Europe — cont, 
Var. revolvens, Humphreys. 
Var. siibcristatum, Carbonell. 
Var. variegatum, Lowe. 
N. montanum, Baker. Europe. 
Var. cristatum, Woll. 
N. spmillosiim, Desv. Europe. 
Var. dilatatiim (Desv.). 
Var. „ angusti-pinnulum, Sim. 
Var. calomelanos, Jones. 
Var. „ crispato-cristatum, Jones. 
Var. „ crispum, Woll. 
Var. J, grandiceps, Barnes. 
Var. „ Howardae, Jones. 
Var. lepidotum, Moore. 
Osmunda, L. 
0. regalis, L. Europe, &c. 
Var. cristata, Moore. 
Var. palustris, ^or^. 
Var. purpurascens, Moore. 
Polypodium, 
P. alpestre, Hoppe. Europe. 
Var. flexile, Newm. Scotland. 
P. Phegopteris, Z. Europe. 
Var. cristatum, Jones. 
Var. strictum, Barnes. 
P. vulgare, L. Europe. 
Var. acuto-serratum, Jones. 
Var. attenuatum, Moore. 
Var. Tbifidum, Francis. 
