136 
Lygodium palmatum, Swartz. (CLIMBING FERN.) 
Lynn, near Saugus; said to have been first detected in this locality 
by Mr. B. F. Johnson (herb. P. A. S., Mr. G. E. Emery). — 
Osmunda regalis, Z. (RoyaL FERN; FLOWERING FERN.) 
Swamps. Common. — 
Osmunda Claytoniana, ZL. (INTERRUPTED FLOWERING FERN.) 
Swamps and moist places. Common, more especially so in Tops- 
field and North Andover. 
Osmunda cinnamomea, L. 
Moist pastures. Common. The abnormal form (var. frondosa) is 
frequently found among the fruiting fronds, and should be looked 
for in June. 

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