216 



CONTRIBUTIONS 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, Hill 98 in 1908. 

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



Beach, Umbach 2237, 2244; Williamsneld, V. H. Chase 1858; Waucanda, ffiZZ 



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, 



CAene?/ 5638. 

 Minnesota: Nicollet, Ballard in 



1892; Spring Lake, Ballard 



544; Minneapolis, 8 an db erg 



316 ; Center City, Sandberg 666; 



Thompson, Sandberg 385. 

 South Dakota: Black Hills, ifyrf- 



&er# 1099. 



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

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

 Missouri: Allenton, Kellogg 16. 



Kansas: Manhattan, Hitchcock 2528, Kellerman in 1888. 

 Delaware: Wilmington, Can&?/ in 1898. 

 District of 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, Havard 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, is 

 fairly typical. 



Fig. 222.— Distribution of P. Machucae. 



124a. Panicum huachucae silvicola Hitchc. & Chase. 



Panicum dichotomum fasciculatum 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 « under the name P. lanugi- 

 nosum Ell. 



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



