HITCHCOCK AND CHASE—TROPICAL NORTH AMERICAN PANICUM. 505 
British Honpuras: Manatee Lagoon, Peck 314. Toledo, Peck 637 (both in Gray 
Herb.). 
GUATEMALA: El] Palmar, Kellerman 6263. Santa Rosa, Heyde & Lux 4299. Cubil- 
quitz, Tiirckheim 7801. Morales, Deam 6041. Rinconcito, Heyde & Lux 4299. 
Honpuras: Amapala, Hitchcock 8768. Puerto Sierra, Wilson 89, 188. 
Satvapvor: Sonsonate, Hitchcock 8981. San Salvador, Velasco 10. La Unién, 
Hitchcock 8791. 
Nicaraaua: Jinotepe, Hitchcock 8693. San Juan del Sur, Hitchcock 8604. Masaya, 
FFitchcock 8631. 
Costa Rica: Hacienda de Zent, Tonduz 363, Pittier in 1904, Atenas, Hitchcock 
8521. Puntarenas, Hitchcock 8555. Alajuela, Jiménez 145. San José, Tonduz 
3133. Buenos Aires, Tonduz 4865, Pittier 3651. Matina, Pittier 9754. 
Nicoya, Cooper 10379, Tonduz 13754. Boruca, Pittier 4458. Hacienda de 
Chirrip6, Pittier 16081. Carrillo, Biolley 3111. 
Panama: Culebra, Hitchcock 7933, 8022. Alajuela, Pittier 2352. Puerto Obaldia, 
Pittier 4284, Below Chepo, 
Pittier 4696. Culebra, Pettier 
2083. Tabernilla, Hitchcock 
8384. Taboga Island, Celes- 
tine 84, 
Cupa: Habana, Leén in 1910, 
Curtiss 714. Monte Verde, 
Wright 1538. Sancti Spiritus, 
Leon 4105. 
Jamaica: Ramble, Hitchcock 9475. 
Cedar Hurst, Harris 11566. 
Castleton, Harris 11299, 11328. 
Kingston, Hitchcock 9281. Port Antonio, Fredholm 3282. Gordon Town, 
Hitchcock 9332. 
Porro Rico: Maricao, Chase 6191. Vega Baja, Chase 6417. Mayaguez, Chase 
6167, Sintenis 160, Cowell 522, 583. Ponce, Heller 6094. Luquillo Moun- 
tains, Wilson 283. Martin Pefia, Heller 387. Between Aibonito and Cayey, 
Heller 531. Mount Morales, Britton & Cowell 444. Santurce, Heller 157. 
Rio Piedras, Barrett 61. 
LrEewarp Istanps: St. Kitts, Britton & Cowell 295. Guadeloupe, Duss 2681. 
Dominica, Eggers in 1881. Montserrat, Shafer 337,706. Saba, Suringar in 
1885, Boldingh 2122 (K. U. Herb.). 
Wrypwarp IsLanps: Martinique, Hahn 1047, Duss 1321. Grenada, Broadway in 
1905, Eggers 5987. St. Vincent, Smith & Smith 185 (K. U. Herb.). 
TRINIDAD: Port of Spain, Hitchcock 9946. 
VENEZUELA: Above Paparo, Pittier 6494. Tovar, Fendler 2499. 
CoLomsra: Santa Marta, Smith 167. Sevilla, Pittter 1621. Cali, Pittier 971. 
Fia. 90.—Distribution of P. trichoides. 
68. Panicum trichanthum Nees. 
Panicum trichanthum Nees, Agrost. Bras. 210. 1829; Contr. U. 8. Nat. Herb. 15: 181. 
1910. . 
The habit of this species as studied in the field indicates that itisa perennial. The 
culms are long and straggling with rootlets at the nodes and form a tangled mass among 
shrubs or vines, 
