106 



CONTRIBUTIONS FROM THE NATIONAL HERBARIUM. 



A specimen from Nicholson, Mississippi, Kearney 380, with spreading panicle 

 branches and spikelets only 2 mm. long is doubtfully referred here. 



DISTRIBUTION. 



Moist sandy ground, Rhode Island and Connecticut to Florida and west to Texas, 

 mostly near the coast. 



Connecticut: Groton, Bissell 11596, Graves 248, 256. 



Rhode Island: Shannock, Moore in 1896. 



New York: New York, Bicknell in 1896; Long Island, Miller in 1873 (both in 



Hitchcock Herb.). 

 New Jersey: Atsion, Chase 3530; without locality. Holmes in 1890. 

 Pennsylvania: Philadelphia, Saunders in 1898, Smith. 

 Delaware: Ellendale, Commons 224, 343, 344. 

 Maryland:. Berlin, Novih 421. 

 District of Columbia : Kearney in 



1897, Steele in 1897 and 1898. 

 Virginia: Cape Henry, Hitchcock 



446; Dismal Swamp, Chase 



3662; Virginia Beach, Kearney 



2025. 

 North Carolina : N e w b e r n , 



Kearney 2242; Wilmington, 



Biltmore Herb. 3627, Chase 



4564, Hitchcock 447; eastern 



North Carolina, Ashe; West 



Raleigh, Stanton 1270; middle Fig. 99.— Distribution of P. longifolium. 



North Carolina, Ashe. 

 Florida: Jacksonville, Curtiss 5576B; Milton, Chase 4318; Bayhead, Combs 644; 



Chipley, Combs 571; Gainesville, Chase 4225; Crystal, Combs 1010; Grasmere, 



Combs 1154, 1168; Bartow, Combs 1180^ 1235. 

 Alabama: Tuskegee, Carver 100, Cullman, Eggert in 1897, Mohr in 1886; Mobile, 



Mohr. 

 Mississippi: Biloxi, Chase 4346, Kearney 220, Tracy 3627, 3860, 6507a; Fontain- 



bleau, Trac?/ 3858, 3859; Ship Island, Tracy 4563; Waynesboro, Kearney IIQ. 

 Louisiana: Without locality. Hale (Gray Herb.). 

 Texas: Jefferson, Plank 31; without locality, Nealley in 1885, Wright. 



C> 54. Panicum combsii Scribn. & Ball. 



Panicum combsii Scribn. & Ball, U. S. Dept. Agr. Div. Agrost. Bull. 24: 42./. 16. 

 1901., "Type collected by Robert Combs, No. 583, for 

 whom the species is named, in damp, fertile flat woods at 

 Chipley, Washington County, Florida, August 20, 1898." 

 The type specimen, in^the National Horbarium, is a ttlft of 

 several culms with mature panicles. 



description. 



Plants like P. longifolium in habit; leaves somewhat more 

 clustered at base; sheaths glabrous or pubescent along the 

 margin toward the summit; ligules less than 1 mm. long, 

 sometimes a few longer hairs at the margin; blades aver- 

 aging shorter, rarely 25 cm. long, glabrous or pilose on 

 the upper surface at the base, usually sparselj'' so; lateral 

 panicles wanting or but one or two, terminal panicles 12 to 20 cm. long, two- thirds 

 to three-fourths as wide, few-flowered, the slender, scattered branches ascending; 



Fig. 100.— p. combsii. 

 type specimen 



From 



