NO. 2 gentry: LAND PLANTS 119 



Heteropogon contortus (L.) Beauv. Roem. & Schult., Syst. Veg. 

 2:836. 1817. 



San Jose del Cabo, February 17, Dawson 1151. 



Widely distributed in the warmer parts of both the Old and New 

 Worlds ; type from India. An aggressive persistent, harsh, scarcely palat- 

 able grass and a nuisance in many areas of Mexico. It may be successive 

 on burnt areas. 



JouvEA PILOSA (Presl.) Scribn., Bull. Torn Bot. Club 23:143. 

 1913. 



Punta Frailes, February 16, Dawson 1122. 



Coastal from Baja California to Nicaragua. In the California Gulf 

 Region it is known from the Cape District and on the adjacent islands 

 as far north as Carmen Island {Johnston 3835). 



MuHLENBERGiA PoRTERi Scribn. in Beal, Grasses N. Am. 2:259. 

 1896. 



San Jose del Cabo, February 17, Dawson 1203. 

 Southwestern United States and northern Mexico. 



Setaria macrostachya H.B.K., Nov. Gen. & Sp. 1:110. 1851. 



San Pedro Nolasco Island, February 6, Dawson 1035. 



Texas to Colorado, Arizona, and Mexico; type from Guanajuato, 

 Mexico. On San Pedro Nolasco Island it forms extensive stands, being 

 the dominant vegetation over some of the open hill slopes. 



Cyperaceae 



Cyperus elegans L., Sp. PI. 45. 1753. 



San Pedro Nolasco Island, February 6, Dawson 1036. 



Apparently native to northern Mexico. This is the first record of the 

 species on San Pedro Nolasco Island. 



Cyperus perennis (Jones) O'Neill, in Morton C.N.H. 29:93. 

 1945. 



San Jose del Cabo, February 18, Dawson 1164. 



Known only from the Cape Region. Apparently rare and seldom col- 

 lected. 



Palmae 



Erythea Brandegei Purpus, Gartenflora 52:11, f. 1-2. 1903. 



Canyon above Puerto Escondido, March 13, Rempel 146, 146a. 



Described originally from the mountains back of San Jose del Cabo, 

 Baja California, the species is common to the canyons where intermit- 



