HITCHCOCK AND CHASE — NOETH 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; V/ards 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, Hitchcock 375. 

 Florida: Jacksonville, Curtiss 



4033; Baldwin, Hitchcock 988, 



1005; Chipley, Combs 569; 



Lake City, Combs 116; 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; Myers, Chase 4141, 4172, 



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

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



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

 Louisiana: Abita Springs, Coc^s 422. 



Fig. 212. — Distribution of P. longiligulatum. 



i/ 



120. Panicum wrightianum Scribn. 



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

 This is described in a note under P. barbtdatum 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. 183^, 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 « 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 Ijosc." 



description. 



j/ Vernal culms weak and slender, ascending from a decumbent 



Fig. 213^P. wrighti- ^ ^^ ^^^^^ ^^ ^^^^ ^^^^^ ^^ ^^ 40 cm., or rarely 60 cm. high, 



anum. From type . ' , , , , , . , / , . 



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 

 ol)long-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, 



•y T\ 



V 







a Gram. Pan. 241. 1826. 



