NORTH AMERICAN FERNS. 



Check List of the Perns of the United States of North America, alphabetically arranged for exchanges 

 by Geo. E. Davenport, Medford Mass., U. S. A., April, 1883. Cheilanthes villosa (Catal. Supplement) is 

 omitted as not being yet fully established, and only the more important varieties are given. 



Acrostichum aureum, L. 

 Adiantum Capillus-Veueris, L. 

 " emarginatum, Hook. 

 " pedatum, L. 

 " tenerum, Swz. 

 " trieholepis, Fee. 

 Aspidium acrostichoides, Swz. 

 " aculeatum, Swz. 



b. var. angulare, Brann. 

 d. var. Brannii, Doall. 

 y. var. scopulinuin, Eaton. 

 " Boottii, Tuckm. 

 " conterminum, var. 



strigosum, Eaton. 

 " cristatum, Swz. 



b. var. Clintoniannm, Eatou. 

 Eilix-uias, Swz. 

 " Floridanum, Eaton. 

 " fragrans, Swz. 

 " Goldieanum, Hook. 

 " juglandifolium, Kze. 

 " Lonchitis, Swz. 

 " marginale, Swz. 

 " Mohrioides, Bory. 

 " munitum, Kaulf. 



b. var. imbricaus, Eaton. 

 " Nevadense, Eaton. 

 " Noveboracense, Swz. 

 " Oreopteris. Swz. 

 " patens, Swz. 

 " rigidum, Swz. 



b. var. argutum, Eaton. 

 " spinulosum, Swz. 



b. var. dilatatum, Hornm. 

 d. var. intermedium, Eatou. 

 " Thelypteris, Swz. 

 " trifoliatum, Swz. 

 " Unitum, var. glabrum, Mett. 



sp. ? 



Asplenium angustifolhun, Michx. 

 " Bradleyi, Eaton. 

 " cicutarium, Swz. 

 " dentatum, L. 

 " ebeneum, Ait. 



b. var. prolil'ei'iim, Eaton. 

 " ebenoides, Scott. 

 " Filix-foemina, Bernh. 



b. var. angustum, Eaton. 

 " firmum, Kze. 

 " Glenniei, Baker. 

 " monanthemum, L. 

 " montanuin, Willd. 

 " parvulutn, M. & G. 

 " pinnatifldnm, Nutt. 

 " rbizophyllum, Kze. 



b. var. myriophyllum, Molt. 

 " Kuta-niuraria, L. 

 " septentrionale, Hoffm. 

 " serratum, L. 

 " tbelypteroides, Michx. 

 " Trichomanes, L. 



b. var. incisum, Moore. 



32 Genera, 161 Species, 24 Varieties. 



" viride, Iluds. 

 Aneimia adiantifolia Swz. 



" Mexicans, Klotz. 

 Blechnurn serrulatum, Rich. 

 Botrychium boreale. Mllde. 

 " lauceolatum, Ang. 

 " Lunaria, Swz. 

 " matricarirefolium, A. Br. 

 " simplex, Hitch. 

 " teruatum, Swz. 



b var. lunarioides, Alilde. 

 d. var. obliquum, Milde. 

 y. var. disseetuiu, Milde. 

 " Virgiuianum, Swz. 

 Camptosorns rhizophyllus, Eiak. 

 Ccratopteris thalictroides, Brougn. 

 Clieilantbcs argentea, Hook. 



Alabamfusis, Kze. 

 " Calif orniea, Mett. 

 " Clevelandti, Eaton. 

 " Cooperas, Est on. 

 " Fendleri, Hook. 

 " gracillima, Eaton. 

 " lanuginosa, Nutt. 

 " lendigera, Swz. 

 " leucopoda, Link. 

 " Lindheimeri, Hook. 

 " microphyila, Swz 

 " myriophylla, Desv. / 

 " Parishii, Davenp. , 

 " tomentosa, Link. 



b. var. Eatoni. 

 " vestita, S wz. ^<i2W«_ $n*> , 

 " viscida, Davenp. - — ""' 

 " Wrightii, Hook. 

 Cryptogramme acrostichoides, R. Br. 

 Cystopteris bulbifera, Bernh. 

 " fragilis, Bernh. 

 " montana, Bernh. 

 Dicksonia pilosiuscula, Willd. 

 Gymuogramme hispida, Mett. 



" triangularis, Kaulf. 

 Lomaria spicaut, Desv. 



b. var. serratum, Woll. 

 Lygodium palmatum, Swz. 

 Nephrolepis exaltata, Schott. 

 Notholasna Aschenboruiana, Klotz. 

 " Candida, Hook, 

 b. var. cretacea. 

 Fendleri, Kze. 

 " ferruginea, Hook. 

 " Grayi, Davenp. 

 " Hookeri, Eaton. 

 " Lemmoni, Eaton. 

 " Newberryi, Eaton, 

 " nivea, Desv. 



b. var. dealbata. 

 " Parryi, Eaton. 

 " siuuata, Kaulf. 

 " tenera, Gillies. 

 Onoclea sensibilis, L. 



" Struthiopteris, Hofl'm. 



Ophio^lossum crotalophoroides, Walt. 

 " nudicaule, L. fll. 

 " palmatum, Plnm. 

 " vulgatum, L. 

 Osnumda cinuamoinea, L. 

 " Claytoniaua, L. 



regalis, L. 

 Pellasa androinedsefolia, Fee. 

 " aspera, Baker. 

 " atropurpurea, Link. 

 " brachyptera, Baker. 

 " Brtweri, Eaton. 



Bridgesii, Hook. 

 " cordata, J Sm. 

 " densa, Hook. 

 " flexuosa, Link. 

 " gracilis, Hook. 

 " marginata, Baker. 

 " ornithopus, Hook. 

 " pulcliella, Fee. 



ternifolia, Link. 

 " Wrightiana, Hook. 



b. var. lougimucronata. 



d. var. corapaeta. 

 Phegopteris alpestris, Mett. 

 " Dryopteris, Fee. 



b. var. Robertianum. 

 " liexagouoptera, Fee. 

 " polypodioides, Fee. 

 Polypodiura aureum, L. 



" Californicum, Kaulf. 

 " falcatum, Kellg. 



" pectiuatum, L. 

 " Phyllitidis, L. 



Plumula, H. B. K. 



Scouien, H. & G. 

 " Swartzii, Baker. 

 4 thysanolepis, A. Br. 



Pteris aquilina, L. 



b. var. caudata Hook. 



d. var. lanuginosa, Bougard. 



" Cretica, L 



" longifolia, L. 



" serrulata, L. fil. 

 Schizsea pusilla, Pursh. 

 Scolopendrium vulgare, Smith. 

 Tamitis lanceolata, R. Br. 

 Trichomanes Petersii, Gray. 



" radicans, Swz. 

 Vittaria liueata, Smith. 

 Woodsia glabella, R. Br. 



" hyperborea, R. Br. 



" Ilvensis, R. Br. 



" Mexicaua, Fee. 



" obtusa, Torrey. 



" Orcgana, Eaton. 



" scopulina, Eaton. 

 Woodwardia angustifolia, Smith. 



" radicans, Smith. 



" Virgiuica, Smith. 



