524 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. 
Cuspa: Road to Pinal Mayarf, 
Wright 3467. Sierra Nipe, 
Fia. 131.—Distribution of P. scoparium. 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: Cérdoba, Hitchcock 6425. Orizaba, Amer. Gr. Nat. Herb. 179. Jalapa, 
Mitchcock 6606, 6673, Smith 
1617, Pringle 8089. Mirador, 
LTiebmann 323. Zacuapdn, 
Purpus 2160. 
GUATEMALA: Coban, Tiirckheim 
3836, 3829 in part. Sierra del 
Mico, Kellerman 6231, 6249. 
Nicaragua: U.S. Pacific Expl. / 
Exped. Wright. : i 
Costa Rica: Asserf, Tonduz 1244. <a 
El General, Pittier 3358. Fig. 132.—Distribution of P. viscidellum. 
Panama: El Boquete, Hitchcock 8178, Pittier 3043. 
Cusa: Managua, Palmer & Riley 1065. 
Cotomsra: La Esmeralda, near J amundi, Pittier 940. 
COMMUTATA, 
Blades unsymmetrical and falcate; culms decumbent; first 
glume about one-third as long as the spikelet......... 107. P. jodrii. 
Blades symmetrical, nearly linear; culms erect; first glume 
about half as long as the spikelet................._.. 108. P. albomaculatum. 
107. Panicum joorii Vasey. 
Panicum joorti Vasey, U. 8. Dept. Agr. 
Div. Bot. Bull. 8: 31. 1889; Contr. U.S. Nat. 
IIerb, 15: 308. 1910, 
DISTRIBUTION. 
Damp woods, southeastern United States; 
also in southern Mexico. The type speci- 
men from Louisiana. 
VERACRUZ: Jalapa, Hitchcock 6650. 
RePuBiic or Mexico: Without locality, 
Fig. 133,—Distribution of P. joorii. Pringle 13290. 
