PLANTS OF ONEIDA COUNTY AND VICINITY. 179 



ONOCLEA, L. Sensitive Fern. 



• sensibilis, L. Frost-sensitive Onoclea. 



Wet woods and swamps. Common. July. 



var. obtusilobata, Torrey. Rounded-lobed Onoclea. 



Marshy woodlands east of Onondaga lake. 



In herb. Sartwell Ham. Coll. is a fine specimen of this variety in full fruit, 

 from Salem, Washington county, J. Smith. Also two other specimens from 

 Penn-Yan, Yates county, Sartwell, of the same form, but without fruit. Many 

 fronds of the same form with these, and corresponding exactly with each of 

 the figures in Turret's Fl. N.T., having free veins and sometimes indusia, 

 have been gathered in the swamps and woods near Salina. 



The abnormal form having both sterile and fertile pinna? on the same frond, 

 often one side all sterile and the other all fertile, in the regular form, are not 

 rare. Juryi August. 



OSMUNDA, L. Flowering Ferns. 

 r regalis, L. Royal Osmunda. 



var. spectabilis, Gray. Showy Osmunda. 

 "Wet meadows and swamps. Common. June. 



t clattoniana, L. Collected by Clayton. 



Low grounds and damp woods. Frequent. June. 



■ ctnnamomea, L. Cinnamon- colored Osmunda. 



Swamps. . Common. 



var. frondosa, Gray. Double-fronded Cinnamon- fern. 



Occasional in wet woods around Utica. Abundant on low sandy clearings 

 west of Fort Bull, Rome. Frequent. May. 



BOTRYCHIUM, Swartz. Moonworts. Botrychia. 



■ lunarioides, Swartz. Lunaria-like Botrychium. 



Sandy pastures and banks. Common. 



Among bushes, the fertile frond of this fern sometimes rises to the Height 

 of sixteen inches, with sterile frond, nine inches high and six broad. 



Plants of the ordinary size occasionally are found with two, and rarely 

 with three perfect fertile fronds, all of the same size, springing together from 

 the stipe of the sterile frond near the root. 



var. dissectum, Gray. Cut-lobed Botrychium. 



Grassy banks of a stream in a pasture near Fall brook, three miles north of 

 Taberg. Rare. August - October. 



* virginicttm, Swartz. Virginian Botrychium. 



Moist woods. Common. June, July. 



• lanceolatum, Angstrom. Narrow-lobed Botrychium. 



Roots many, thick and chordlike, dark brown. Stem enlarged at the base 

 just above the roots, tapering upward into a stout erect stipe, bearing the 

 fronds at its summit. Sterile frond either many times divided to the mid- ' 

 rib into lanceolate lobes with its lobes incised, about an inch in width and 

 length, triangular in outline, or in the largest specimens consisting of three 

 branches springing together from the stipe or the lateral from the very 

 base of the middle one, spreading an inch and a half, all parted widely 

 into narrow lobes more or less cut upwardly. Fertile frond always similar 

 to the sterile ; terminating the stipe, or in the largest plants the stem 

 forking into three branches, all about an inch long and parted into many 

 fruit-lobes. 



Sandy mounds in clearings and fields. In a pasture three miles north of 

 Taberg. Rare. June. 



