CATALOGUE OF PLANTS. 



Ill 



occasional ; Pine Hill 



known to our limits, but turniug up frequently elsewhere. B* 

 rare ; Cedar Swamp : — M, two fronds from Stoneham, prob- 

 ably in the Reservation limits near Bear Hill, in the Hitchino- 

 collection in the Appalachian Club Herb. 



A. Noveboracense, Swz. Wood Pern. 



Common in various situations in low ground. B* and M* 

 common. Doubtless in S and BB. 



A. spinulosum, Swz. 



Damp woods. B * and M, occurs. 



Var. intermedium, D. C. Eaton. 



Swamps, with the type. M*, 

 woods, etc. 



Var. dilatatum, Hook. 



With the type. B * and M, occurs. 



A. Boottii, Tuck. 



Swamps with A. spinulosum, and A. cristatum. 

 damp woods : — M *, rare ; Pine Hill swamp, etc. 

 choicest ferns, never plentiful anywhere, and should be care- 

 fully protected. 



A. cristatum, Swz. 



Swamps; not plentiful anywhere. B*, clamp woods, W. 

 Quincy, etc. : — M*, Pine Hill swamp. 



Var. Clintonianum, D. C. Eaton. 



Low swamps with the type ; rare. M *, Medford. 

 A. cristatum X rnarginale, Davenport. f 



Rocky and swampy woodlands ; should be looked for where- 

 ever the parent species, cristatum and rnarginale, are found. 

 M*, Pine Hill swamp ; two plants only were found, and the 

 spot has since been probably destroyed. 

 A. rnarginale, Swz. 



Rocky woods and swamps ; frequent. B *, frequent ; Hawk 

 Hill, etc. : — M* and S, common in woods. 



B *, rare ; 

 One of our 



t See Bot. Gaz. xis. 494. 



