Filix 
(Cystopterts) 
41 bulbifera (1,.) Underw. 
42 fragilis (I,.) Underw. 
43 montana (Iam.) Underw. 
Matteuccia 
(Onxoclea in part) 
44 Struthiopteris (L,.) Todarg 
(Onoclea Struthtopterts (1,.) Hoff.) 
Onoclea 
45 sensibilis L. 
Dryopteris 
(Aspedium in part) 
Boottii (Tuckerman) Underw. 
contermina strigosa (Fee) 
Underw. 
cristata (L.) A. Gray 
Clintoniana (D. C. Eaton) 
Underw. 
Filix-mas (L.) Schott 
Floridana (Hook.) Kuntze. 
fragrans (I,.) Schott 
53 Goldieana (Hook.) A. Gray 
54 celsa Palmer 
. marginalis (1) A. Gray 
montana (Vogel) Kuntze 
Nevadensis (D. C. Eaton) 
Underw. 
Noveboracensis (ly.) A. Gray 
patens (Sw.) Kuntze 
patula (Sw.) Underw. 
rigida arguta (Kaulf.) Underw. 
sunulata Davenport 
spinulosa (I,.) Kuntze 
dilatata (Hoffm.) Underw. 
intermedia (Muhl.) Underw. 
Thelypteris (L.) A. Gray 
unita glabra (Mett.) Underw. 
46 
47 
48 
49 
50 
51 
52 
Phegopteris 
68 alpestris (Hoppe) Mett. 
69 Dryopteris (l.) Fee 
70 hexagonoptera (Michx.) Fee 
71 Phegopteris (L.) Underw. 
(P. polypodiordes Fee) 
IO 
72 reptans (Sw.) D. C. Eaton 
73 Robertiana (Hoffin.) Underw. 
74 tetragona (Sw.) Fee 
Tectaria 
(Asfpidium in part) 
75 trifoliata (L.) Cav. 
Polystichum 
(Aspidium in part) 
acrostichoides (Michx.) Schott 
aculeatum (I,.) Roth 
78 Braunii (Spenner) Lawson 
79 Californicum (D. C. Eaton) 
Underw. 
8o Lemmoni Underw. 
81 ‘Lonchitis (L.) Roth 
munitum (Kaulf.) Underw. 
imbricans (D. C. Eaton) 
Maxon 
inciso-serratum 
(D. C. Eaton) Underw. 
scopulinum (D. C. Eaton) 
Maxon 
Phanerophlebia 
(Aspidium in part) 
86 auriculata Underw. . 
(Asprdium juglandifolium H. B. K.) 
Nephrolepis 
87 acuta (Sw.) Presl 
88 exaltata (L.) Schott 
Dennstaedtia 
8g punctilobula (Michx.) Moore 
(Dicksonia pilosiuscula Willd.) 
go cristata Maxon 
[The genus Decksonza was estab- 
lished upon a South American tree 
fern, to which our plant is not at all 
referable. | 
Phyllitis 
(Scolopendrium) 
91 Scolopendrium (L.) Newman 
(Scolopendrium vulgare Smith) 
Camptosorus 
92 rhizophyllus (L.) Link 
