196 CONTRIBUTIONS FROM THE NATIONAL HERBARIUM. 
1. Tripsacum lanceolatum Rupr.; Fourn. Mex. Pl. 2: 68. 1886. 
Type locality, ‘‘Aguas Calientes,” the station where Hartweg collected the specimen 
named T. lanceolatum by Ruprecht. The name was first mentioned without descrip- 
tion by Bentham,! Hartweg’s no. 252 being cited. 
RanaeE: Lower California and Chihuahua to southern Mexico. 
HERBARIUM SPECIMENS: 
Lower CautrorniA: Sierra de San Francisquito, Brandegee in 1899. El Taste, 
Brandegee in 1902. 
Sonora: High up in Sierra de Alamos, Rose, Standley & Russell 13080. Guada- 
lupe Canyon, International Bound. Com. 2035. 
CHIHUAHUA: Sanchez, rocky ravine, Hitchcock 7702. 
Duranco: Durango, on Iron Mountain, a rocky hill, Hitchcock 7630, 7648; in 
deep rich soil among the higher hills, Palmer 537 in 1896. 
San Luts Potosf: Las Candas, rocky hills, Pringle 3811. Bagre, Purpus 5433. 
Jauisco: Guadalajara, side of Barranca de Oblatos, Hitchcock 7358. Rfo Blanco, 
Palmer 509 in 1886. Between Huejuquilla and Mezquitic, Rose 3570. 
Couma: Manzanillo, large bunches on rocky cliff by seashore, Hitchcock 7046. 
Alzada, rocky hillside, Hitchcock 7082; shady ravine, Hitchcock 7083. 
Micnoacdn: Morelia, Arséne in 1909. 
GUANAJUATO: Jaral, Schumann 1718. 
FEpEraL District: Tacubaya, copse at edge of field, Hitchcock 5909; Holway 8. 
MorELos: Cuernavaca, rocky cliff, Hitchcock 6840. 
GUERRERO: Balsas, on rocks of«cliff, Hitchcock 6816. 
Oaxaca: Oaxaca, rocky cliff, Hitchcock 6160. Villa Alta, Liebmann 547. 
2. Tripsacum laxum Nash, N. Amer. Fl. 17: 81. 1909. 
Type locality, ‘Hacienda de la Laguna [Veracruz] Mexico.”’ 
RanGE: Southern Mexico. 
HERBARIUM SPECIMENS: 
Cotma: Alzada, in large bunches, 6 to 8 feet high, on a rocky grassy hillside, 
Hitchcock 7103. 
Veracruz: Mirador, Liebmann 549. Rio Blanco, Bourgeau 3138. 
3. Tripsacum pilosum Scribn. & Merr. U. 8. Dept. Agr. Div. Agrost. Bull. 24: 6. 
J. 1. 1901. 
Type locality, ‘Between Colotlén and Bolafios, State of Jalisco,’”’ the type specimen 
collected by Rose (no. 2841). 
Rance: Southwestern Mexico. 
HERBARIUM SPECIMENS: 
Duranao: Sierra Madre, Rose 3513. 
Jatisco: Guadalajara, Barranca de Oblatos, on open rocky hillside, Hitchcock 
7343, 7361, 7366. Rfo Blanco, Palmer 508 in 1886; Rose & Hay 6278. Be- 
tween Colotlén and Bolafios, Rose 2841. 
Corma: Alzada, steep hillside in ravine, open, grassy ground among rocks, Hitch- 
cock 7088. 
3. COIX L. Sp. Pl. 972. 1753. 
1. Coix lacryma-jobi L. Sp. Pl. 972. 1753. Jop’s TEARS. 
Type locality in East Indies. 
RanaeE: Tropics of both hemispheres, introduced in the New World. 
HERBARIUM SPECIMEN FROM MEXICO: 
Coanuma: Saltillo, Palmer 1337 in 1880. 
1 Pl. Hartw. 347. 1857. 
