216 



CONTEIBXTTIONS FROM THE NATIONAL HERBARIUM. 



Pennsylvania: Easton, Porter in 1893. 



Ohio: Big Darby, Morris 9; Lancaster, Kellerman 6769; Steuben ville, Kellerman 



6785; Mount Gilead, Kellerman 6873; Vinton, Kellerman 6893. 

 Indiana: Clark Junction, Bebb 520, Umbach 1816; Gibson, Ilill 98 in 1908. 

 Illinois: Waukegan, Gleason & Shobe 324; Chicago, Hill 130 in 1905, Somes 210; 



Beach, Umbach 2237, 2244; Williamsfield, V. H. CAase 1858; Waucanda, Eill 



217 in 1898. 

 Michigan: Detroit, Farwell 643b, 1382 in part; Howard Terrace, Wheeler in 1899. 

 Wisconsin: Northwest Wisconsin, 



Wood in 1889; Doherty Lake, 



Cheney 1107; Drummond, 



Cheney 4104; Madeline Island, 



Cheney 5638. 

 Minnesota: Nicollet, Ballard in 



1892; Spring Lake, Ballard 



544; Minneapolis, Sandberg 



316; Center City, /Sandfeergr 666; 



Thompson, Sandberg 385. 

 South Dakota: Black Hills, i??/c?- 



berg 1099. 



Iowa: Mount Pleasant, Mills in 1894; Fayette County, Finlc 562. 

 Nebraska: Ewing, JSaies 1003; Thomas County, Rydberg 1368. 

 Missouri: Allenton, Kellogg 16. 



Kansas: Manhattan, Hitchcock 2528, Kellerman in 1888. 

 Delaware: Wilmington, Canby in 1898. 

 District op Columbia: Sudworth in 1889. 

 Virginia: Ashland, De Chalmot. 



Kentucky: Harlan County, Kearney 58 in part; Lexington, Short 9 (Gray Herb.). 

 Mississippi: Agency, Tracy 3190. 



Arkansas: Fulton, Bush 2332 (Mo. Bot. Gard. Herb.). 

 Texas: El Paso, Eavard in 1881. 

 Montana: Without locality, Williams in 1887. 

 Arizona: Huachuca Mountains, Lemmon 2907. 

 California: San Bernardino Mountains, Abrams 2737 (Gray Herb.). 

 The Montana specimen, though from beyond the known range of this species, ia 

 fairly typical. 



Fig. 222. — Distribution of P. Imachucae. 



v/ 



124a. Panicum huachucae silvicola Hitchc. & Chase. 



Panicum dichotomum, fasdculatuTn Torr. Fl. North. & Mid. U. S. 145. 1824, not P. 

 fasciculatum Swartz, 1788. "In sandy fields, New-Jersey." The type, in Columbia 

 University Herbarium, is a late autumnal specimen with tufts of short branches at the 

 nodes. 



Panicum nitidum ciliatum Torr. Fl. North. & Mid. U. S. 146. 1824, not P. ciliatum 

 Ell. 1816. "In the pine-barrens of New-Jersey." The type, in Columbia University 

 Herbarium, is a single vernal culm. 



Panicum huachucae silvicola Hitchc. & Chase in Robinson, Rhodora 10: 64. 1908. 

 "Type, District of Columbia, Chase, no. 2400, in National Herbarium." The speci- 

 men is a small clump of vernal culms beginning to branch and with mature primary 

 panicles. 



This is the form described by Scribner and Merrill o under the name P. lanugi- 

 nosum Ell. 



a U. S. Dept. Agr. Div. Agrost. Circ. 29: 7. 1901. 



