PLANTS FROM BAJA CALIFORNIA. 213 



Sporobolus altissimus, var. minor, Vasey. Smaller, 2-3 

 ieethigh; leaves shorter; panicle 4-6 inches long, purple; 

 spikelets rather smaller. — San Enrique. 



Sporobolus Virginicus Kth. — Santa Margarita Island. 



Agrostis verticillata Vill. — Comondu, Patrocinia. 



PoLYPOGON MoNSPELiExsis Desf. — Cajon de Santa Maria. 



Chloris ALBA Presl. — Magdalena Island. 



BouTELOUA BROMOIDES Lag. — Purisima. 



BouTELOUA ARISTIDOIDES Tliurber. — Magdalena Island, 

 San Gregorio. 



BouTELOUA POLYSTACHYA Torr. — Magdalena Island. 



Eleusine ^gyptiaca Pers. — San Jorge. 



Pappophorum Wrightii Watson. — San Gregorio. 



Triodia pulchella HBK. — San Joaquin, Calmalli. 



DiPLACHNE IMBRICATA Benth. — San Gregorio. 



Diplachne viscida Scribner. — San Jorge. 



DiPLACHNE DUBiA Benth. var. aristata Vase}^ — Santa 

 Margarita Island. 



Diplachne Brandegei Vasey. Resembles small forms of 

 D. duhia. Culm about 2 feet high, 2-edged below; leaves 

 numerous, narrow; the lower sheaths conduplicate, ciliate 

 on the margins; ligule ciliate: panicle of 8 to 15 spikes, 

 which become spreading; spikelets 3 lines long, 1 or 2 

 flowered, with an imperfect rudimentary one; empty glumes 

 1 nerved, the lower about half ^ as long as the upper, upper 

 one 1^ inches long, acuminate; flowering glume 3 lines 

 long, lanceolate-acute, tipped with a short barbed point, 3 

 nerved; palet rather shorter than or equal to its glume; the 

 second flower neutral or rudimentary, stalked, half as long 

 as the lower flower, which has a crown of short, silky white 

 liairs around the base. 



