388 Lower Calif alalia Grasses. ' [zoe 



HBK. and Am. auct.=No. 362 E. Palmer 1886.— El Taste, 

 September 11 (23). San Felipe, September 9 (28). 



20. Paxicum brevifolium L- — El Taste, September 10 (24). 



21. Panicum colonum L. — San Jose del Cabo, September i 

 (40). 



22. Panicum colonum — depauperate ? Culms very slender 

 3-4 inches high; leaves narrow-linear; racemes reduced to i-5 

 spikelets. — EI Taste, September 11 (52). 



23. Oplismenus Burmanni (Retz) Beauv. O Hiunbold- 

 tiamis Nees, not Presl.=No. 463 E. Palmer 1886. — Miraflores, 

 October 13 (75). 



24. Setaria glauca Beauv. — Saltillo, September 17 (32). 



25. Setaria viridis Beauv. ? San Jose del Cabo, Septem- 

 ber 2 (46). 



26. Setaria . Panicle branched interrupted below, 



caudate; bristles much exceeding the spikelets which are about 

 I line long. First glume very small obtuse, 3-nerved; second 

 glume 5-nerved, a little shorter than the flowering glume; third 

 7-nerved as long as the acute and transversely rugose flowering 

 glume.=^No. 191 E. Palmer 18S7, also No. 957 E. Palmer 1878. 

 — San Felipe, September 9 (45). To be compared with S. 

 iniisetas Fourn. 



27. Setaria setosa Beauv.? Spikelets i)/( lines long, 

 first glume acute, 3-nerved, )^ as long as the spikelet, second 

 glume ^:- shorter than the fourth 7-nerved; flowering glume 

 transversely rugose and mucronate pointed. — Pescadero, Septem- 

 ber 20 (48). 



28. Cenchrus echinatus L. — Mazatlan, Mexico, October 

 8 (79)- 



^ 29. Cenchrus Palmeri Yasey! Proc. Calif. Acad. Sci. 



Ser. 2, vol. ii. p. 211; grasses of the Pac. Slope t. 3.=No. 689 

 E. Palmer 1887, collected at Los Angeles Bay, Southern Calif. 

 This is possibly Cenchrus paucijiorus Benth. Bot. Sulph. 56. 

 Bentham's plant which was from, the Bay of Magdalena is thus 

 characterized: " Culmis suberecto, foliis glabris vix scabrius- 

 culis, involucris alternis, distantibus, pilosiusculis sub io-fidi>;, 

 spiculis subternas superantibus." — La Mesa, October 24 (12). 



