1904] Kennedy, Flora of Willoughby 101 



A. acrostichoides, Swartz, var. incisum, Gray. Dryopteris acrostichoides, 



var. Sckiueiititzii (Beck) Underw. 

 A. aculeatum, Swartz, var. Braunii, Koch. Dryopteris Brautn'i (Spenner) 



Unclerw. In deep rockv woods. 



A. Noveboracense, Swartz. Dryopteris Novebotacensis (L.) Gray. 

 A. Thelypteris, Swartz. Dryopteris Thelypteris (L.) Gray. 

 A. cristatum, Swartz. Dryopteris crtstata (L.) Gray. 

 A. cristatum, Swartz, var. Clintonianum, D. C. Eaton. In deep swamps. 

 A. Goldianum, Hook. Dryopteris Goldiana (Hook.) Gray. Not rare hi 



wet woods. Variable in form. 



A. marginals, Swartz. Dryopteris marginalia ( L.) Gra^ . 

 A. spinulosum, Swartz. Dryoptei is ypinulosa (Retz.) Kuntze. Deep woods 



near Cold Brook. 

 A. spinulosum, Swartz, var. intermedium, D. C. Eaton. Dryopteris spinu- 



loaa, var. intermedia (Muhl.) Underw. 

 A. spinulosum, Swartz, var. dilatatum, Hook. 

 A. Boottii, Tuckerm. Dryopteris Boottii (Tuckerm.) Underw. In wet 



woods. 



PHEGOPTERIS 



P. polypodioides, Fee. P. Phegopteris (L.) Underw. 

 P. Dryopteris, Fee. 



ASPLENIUM 



A. Trichomanes, L. Mt. Hor, Edwin Faxon, 1886. 



A. viride, Hudson. Cliffs, Mt. Hor, Mrs. Condit, 1887. Two fronds in 



Herb. C. E. Faxon. 



A. Ruta-muraria, L. Cliffs, Willoughby Mountain ; not common. 

 A. thelypteroides, Michx. A. acrostichoides, Swartz. 

 A. Filix-foemina, Bernh. 



ADIANTUM 

 A. pedatum, L. Rapidly becoming rare from the rapacity of visitors. 



PTERIS 



P. aquilina, L. Seldom simply ternate. 



PELLAEA 



P. gracilis, Hook. P. Stelleri (S. G. Gmel.) Watt. 



P. atropurpurea, Link. Both species on the limestone cliffs. 



POLYPODIUM 



P. vulgare, L. A form with forking frond, W: A. Lorenz. Another with 

 very broad frond, F. G. Floyd. 



