HITCHCOCK AND CHASE — NORTH AMERICAN PANICUM. 207 



DISTRIBUTION. 



Low pine barrens and swamps of the Coastal Plain, North Carolina to Florida and 

 Louisiana. 



North Carolina: Roanoke Island, Chase 3213, 3228, 3233; Wards Mill, Chase 



3175, 3179; Wilmington, Chase 3136, 3145, 3150, Hitchcock 372. 

 South Carolina: Orangeburg, Hitchcock 16; Hartsville, Coker in 1908. 

 Georgia: Charlton County, Harper 



1575; Sumter County, Harper 



459; Bullock, Harper 839; 



Stone Mountain, Hitchcock375. 

 Florida: Jacksonville, Curtiss 



4033; Baldwin, Hitchcock 988, 



1005; Chipley, Combs 569; 



Lake City, Combs 115; Milton, 



Chase 4308; Apalachicola, 



Chapman; Bay Head, Combs 



652; Santa Rosa, Combs 488, 



Tracy 8398, 8423; Warrington, 



Tracy 8413; Braidentown, 



Hitchcock 957, 958; Seminole, Tracy 7193 in part; 



4188, Hitchcock 875, 881, Lee Co. PL 473. 

 Mississippi: Biloxi, Chase 4366, Hitchcock 1068; Ocean Springs, Kearney 288 in part, 



300 in part; Petit Bois Island, Tracy in 1898. 

 Louisiana: A bita Springs, Cocks 422. 



Fig. 212.— Distribution of P. longtt'igv.laium . 



Myers, Chase 4141, 4172, 



120. Panicum wrightianum Scribn. 



Panicum strictum Bosc; Roem. & Schult. Syst. Veg. 2 : 447. 1817, not R. Br. 1810. 

 This is described in a note under P. barbulatum Michx., from a specimen collected 

 by Bosc in "America sept." and received from him under this name. The type, 

 in the Munich Herbarium, is marked "Panicum strictum Bosc. Carolina, comm. 

 Bosc." Two duplicates of it are in the Willdenow Herbarium, one bearing a new 

 name bestowed by Panzer, but we can not find that this name has been published. 

 Panicum minutulum Desv. Opusc. 87. 1833, not Gaud. 1826. The type, in the 

 Desvaux Herbarium, consists of two plants beginning to branch. 



Panicum wrightianum Scribn. U. S. Dept. Agr. Div. Agrost. Bull. 11 : 44./. 4. 1898. 



"Cuba (No. 3463, C. Wright, 1865)." The type, in the National Herbarium, is the 



early autumnal form and is the large plant figured with the original description. 



Trinius described o, this species under the name "Panicum nodiflorum La M.," 



citing P. strictum Bosc as a synonym. The specimen in the 



Trinius Herbarium is marked "Carolina, Bosc. sub nom. P. 



strictum Bosc." 



description. 



Vernal culms weak and slender, ascending from a decumbent 

 Fig. 213.-P. wrighti- fe of rarel ^ firgt erect lg t 4Q , 6Q ^ , 



anum. From type . ' * ' . ' / a ' 



specimen. minutely puberulent; sheaths striate, shorter than the mter- 



nodes, glabrous, except the summit and ciliate margin, or puber- 

 ulent; ligules 2 to 3 mm. long; blades spreading, 2 to 4 cm. long, 3 to 5 or rarely 6 

 mm. wide, glabrous or puberulent beneath and minutely pilose above; panicles 

 oblong-ovate, 3 to 6 cm. long, one-third to half as wide, the branches ascending, 

 the minute spikelets long-pediceled ; spikelets 0.95 to 1 mm. long, 0.5 mm. wide, 



a Gram. Pan. 241. 1826. 



