594 CONTRIBUTIONS FROM THE NATIONAL HERBARIUM. 
105. Panicum scoparium Lam. 
Panicum scoparium Lam. Encycl. 4: 
744.1798; Contr. U. 8. Nat. Herb. 15: 
294. 1910. 
DISTRIBUTION. 
Wet places, southeastern United 
States and Cuba. The type specimen 
from South Carolina. 
Cusa: Road to Pinal Mayari, - 
Wright 3467. Sierra Nipe, 
Fig. 131.—Distribution of P. scopariwm. Shafer 2997, 3018. 
106. Panicum viscidellum Scribn. 
Panicum viscidellum Scribn. U. 8. Dept. Agr. Div. Agrost. Circ. 19: 2. 1900; Contr. 
U.S. Nat. Herb. 15: 296. 1910. 
DISTRIBUTION. 
Open woods and slopes, Mexico to Colombia; also in Cuba. The type specimen 
from Jalapa. 
Veracruz: Cordoba, Hitchcock 6425. Orizaba, Amer.Gr. Nat. Herb.179. Jalapa, 
Hitchcock 6606, 6673, Smith 
1617, Pringle 8089. Mirador, 
Tiebmann 323. Zacuapan, 
Purpus 2160. 
GuaTEMALA: Coban, Tiirckheim 
3836, 3829 in part. Sierra del 
Mico, Kellerman 6231, 6249. 
Nicaracua: U.S. Pacific Expl. 
Exped. Wright. 
Costa Rica: Asseri, Tonduz 1244. = 
El General, Pittier 3358. Fig. 132.— Distribution of P. viscidellum. 
PanaMA: El Boquete, Hitchcock 8178, Pittier 3043. 
Cusa: Managua, Palmer & Riley 1065. 
CotomsBia: La Esmeralda, near Jamundi, Pittier 940. 
COMMUTATA. 
Blades unsymmetrical and falcate; culms decumbent; first 
glume about one-third as long as the spikelet ......._- 107. P. yoorn._ 
Blades symmetrical, nearly linear; culms erect; first glume 
about half as long as the spikelet...-.-...........__- 108. P. albomaculatum. 
107. Panicum joorii Vasey. 
Panicum joori Vasey, U. 8. Dept. Agr. 
Div. Bot. Bull. 8: 31. 1889; Contr. U.S. Nat. 
Herb, 15: 308. 1910. 
DISTRIBUTION. 
Damp woods, southeastern United States; 
also in southern Mexico. The type speci- 
men from Louisiana. : 
Veracruz: Jalapa, Hitchcock 6650. 
Repus.ic oF Mexico: Without locality, 
Fig. 133,—Distribution of P. joorii. Pringle 13290. 
