70 CONTRIBUTIONS FROM THE NATIONAL HERBARIUM. 
Connecticut: Bridgeport, Hames in 1895. 
New York: Ontario Beach, Britton in 1892. 
New Jersey: Califon, Fisher in 1899; Landisville, Gross in 1883. 
PENNSYLVANIA: Luzerne County, 
Small & Heller in 1890. 
Oxto: Cleveland, Claasen in 1891 
_ (Gray Herb.). 
Inprana: Miller, Umbach 2363. 
Iuurnois: Chicago, Chase 1633 
(Hitchcock Herb.). 
Micuigan: Without locality, Far- 
well 1414. 
DELAWARE: Wilmington, Com- 
mons 57. 
Districr ofr CoLtumBiIA: Steele in 
1899. Fy¢. 55.—Distribution of P. miliaceum. 
Froripa: Pensacola, Curtiss 6867. 
New Mexico: Lincoln County, Wooton & Standley 3528. 
CaLirorNnia: Kenwood, Smith in 1898; Sacramento, Williams in 1906. 
Y 81. Panicum cayennense Lam. 
Panicum cayennense Lam. Tabl. Encycl. 1:173.°1791. “Cayenna. D. Stoupy.” 
The type, in the Lamarck Herbarium, is labeled “‘ Panicum cayennense Lam. ill. gen. 
aff. Panico capillare.’”? Lamarck states in the 
original description that this species is near P. 
capillare. In the general herbarium at Paris is a 
specimen of P. rudgei from Cayenne collected by 
Le Blond, which is labeled in Lamarck’s hand 
‘“Panicum cayennense lam. illustr. et dict.’ 
This specimen does not correspond to Lamarck’s 
descriptions, especially the later one,@ so well as 
The, Benmore Trem ies does the preceding specimen, which is therefore 
specimen. taken as the type. 
Panicum floribundum Rich.; Lam. Encycl. 4:742. 
1798. This is given as a synonym under P. cayennense, and credited to “‘ Rich. herb.” 
The type, in the Richard Herbarium, is from Cayenne. This specimen agrees with 
the first of those mentioned above. 
Panicum pedunculare Willd.; Steud. Syn. Pl. Glum. 1: 77.1854. ‘‘Brasil.”’ This 
is credited to ‘‘ Willd. hrbr.’’ The name occursearlier®? asanomennudum. The type, 
in the Willdenow Herbarium, was collected by Humboldt in “‘ Amer. meridion.” 
Panicum cayennense patulum Doell in Mart. Fl. Bras. 27: 220.1877. Based on P. 
cayennense Lam. 
DESCRIPTION. 
Plants, erect, or, when much-branched at the base, spreading; culms 20 to 50 em. 
high, often zigzag, glabrous or more or less papillose-pilose below the pilose nodes; 
sheaths papillose-pilose, ciliate; blades linear, 10 to 20 cm. long, 4 to 10 mm. wide, 
rather stiffly ascending, rounded at the scarcely narrowed base, rather sparsely papil- 
lose-pilose on both surfaces or sometimes nearly glabrous; panicles terminal and 
@ Lam. Encycl. 4: 742. 1798. b Steud. Nom. ed. 2. 2: 261. 1841. 
