306 



CONTRIBUTIONS FROM THE NATIONAL HERBARIUM. 



to be recognizable. The following specimens represent this variation: Chase 4205, 

 Combs 89, 156, 886, 926, 1038, Curtiss 3583* in part, Hitchcock 757, 1008, Nash 1119, 

 Tracy 3629. 



DISTRIBUTION. 



Fig. 345.— Distribution of P. commutatum. 



Woods and copses, Massachusetts to Illinois, south to Florida and Texas. 



Massachusetts: Wellesley, Rich in 1899. 



Pennsylvania: Lancaster County, Heller 4768; Ohiopyle, Richer 1153 



Ohio: Vinton, Kellerman 6881. 



Indiana: Clarke County, Beam 

 6595. 



Illinois: Without locality, 

 Schneck in 1879. 



Michigan: Agricultural College, 

 Wheeler in 1890 (Mich. Agr. 

 Col. Herb.). 



Missouri: Butler County, Eggert 

 257 in 1893; Carter County, 

 Eggert 290; Moriteer, Bush 

 755, 4685; Maiden, Bush 731; 

 Campbell, Bush 748; Pleasant 

 Grove, Bush 238, 287, 308, 322; Grandin, Bush 2736. 



Delaware: Frankfort, Commons 48; Mount Cuba, Chase 3621, Commons 309. 



Maryland: Great Falls, Chase 5436, Ward in 1882; Riverdale, Chase 2381. 



District of Columbia: Chase in Kneucker Gram. Exs. 557, Hitchcock 426, 569, 

 Kearney 31, J/em'ZZ 204, Scribner in 1894, tfteeZe in 1899, Fasey in 1874, 1881, 

 1883, and 1884, Ward in 1879. 



Virginia: Near Norfolk, Kearney 1317, 1414, 1463, Noyes 69, 74, Pollard & Maxon 

 in 1900; Dismal Swamp, Chase 3654, 3678; Smyth County, Small 2, 8, and 

 14, in 1892. 



West Virginia: Fayette County, Kellerman 6902. 



North Carolina: Jacksonville, Chase 3168; Wilmington, Chase 3114, Hitchcock 

 1458; Chapel Hill, Ashe in 1898, Chase 3052; Biltmore, Biltmore Herb. 802b, 

 Hitchcock 570, 571; Lenoir, Hitchcock 428 ; Magnetic City, Wetherby 59; Colum- 

 bus, Townsend in 1897; Rowan County, Small & Heller 201. 



South Carolina: Orangeburg, Hitchcock 1413, 1414; Clemson College, House 

 2106, 2179, 2387. 



Georgia: Chickamauga, ifa^/i 11; Stone Mountain, Eggert 43, 45, Hitchcock 427, 

 1348; Augusta, Cuihbert in 1900; Athens, Harper 60; Rabun County, House 

 2305; Cobb County, .Harper 221; Albany, Traq/ 3630; Warm Springs, Tracy 8866; 

 Brooks County, Harper 1623. 



Florida: Duval County, Curtiss 3583* in part, 4027, 4636 (last two in Hitchcock 

 Herb.), Fredholm 455; Lake City, Combs 89, 139, 156, Hitchcock 572, 1008; 

 Chattahoochee, Tracy 3629 in part; Apalachicola, Biltmore Herb. 802a; Madi- 

 son, Combs 251; Monticello, Combs 330; Chipley, Combs 589, 601; Old Town, 

 Combs 886; Homosassa, Combs 926; Titusville, Hitchcock 757; Clarcona, 

 Meislahn 168a, 189; Grasmere, £a£er 42, Com&s 1038, 1098; Eustis, iVasA 45 

 in part, 78, 240 in part, 302, 1119, 1675; Gainesville, Chase 4205; Manatee, 

 Tracy 7382; Manavista, Tracy 6695. 



Kentucky: Harlan County, Kearney 34 in part, 172. 



