Hill: Fenobscot Plants. 209 



addition a few plants are listed of which no specimen has been 

 seen, but which appear in well-authenticated lists, such as 

 Arthur's unpublished list of Isle au Haut plants. These 

 latter records are denoted by an asterisk (*). 



DIVISIOX I PTEEIDOPHYTA 



POLYPODIACEAE 

 Okoclea sensibilis L. Very common in wet places. 

 Variable in form, often approaching var. ohtusilohata 

 (Schkuhr.) Torr. 



Dryopteris thelypteris (L.) Gray. {^Aspidium Thelyp- 

 teris (L.) Sw.] Common in swampy meadows and bogs. 



Dryopteris xoveboracei^se (L.) Gray. \^Aspidium nove- 

 horacense (L.) Sw.] Common in moist open woods and 

 along roadsides. 

 Dryopteris margin alts (L.) Gray. [^Aspidium marginale 

 (L.) Sw.] Eich woods near Lily Pond, South Deer Isle 

 (Xo. 3070). 

 Dryopteris cristata (L.) Gray. \^Aspidiutn cristahim 



(L.) Sw.] Abundant in wet woods. 

 Dryopteris spixulosa (Miill.) Kuntze. [Aspidium spinu- 

 losum (O. P. Miiller ) Sw.] Very common in wet woods 

 and thickets. 



var. ix^termedia (jMuhl.) Underw. [Aspidium spinu- 

 losuni, var. intermedium (Muhl.) Eaton.] Abun- 

 dant in similar situations. 

 var. AMERICANA Fernald.' [A. spinulosum van dilata- 

 tum of Am. auth., not Hook.] Moist woods, Brook- 

 lin i^o. 1791) ; Isle au Haut CNo. 1708). 



1. Rhodora 17: 48 (1915). 



