388 Lower. California Grasses. [ZOE 
HBK. and Am. auct.—No. 362 E. Palmer 1886.—El Taste, 
September 11 (23). San Felipe, September 9 (28). 
20. PANICUM BREVIFOLIUM L.—El Taste, September 10 (24). 
21. PANricumM coLonum L.— San José del Cabo, September 1 
(40). ‘ 
22. PANICUM CoLONUM—depauperate? Culms very slender 
3-4 inches high; leaves narrow-linear; racemes reduced to 1-5 
spikelets.—El Taste, September 11 (52). 
23. OplLIsMENUS BURMANNI (Retz) Beauv. O Humbdold- 
tianus Nees, not Presl.—No. 463 E. Palmer 1886.—Miraflores, 
October 13 (75). 
24. SETARIA GLAUCA Beauy.—Saltillo, September 17 (32). 
25. SETARIA VIRIDIS Beauv.? San José del Cabo, Septem- 
ber 2 (46). 
26. SETARIA——-——. Panicle branched interrupted below, 
caudate; bristles much exceeding the spikelets which are about 
1 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 1887, also No. 957 E. Palmer 1878. 
—San Felipe, September 9 (45). To be compared with S. 
unisetas Fourn. 
27. SETARIA SETOSA Beauyv.? Spikelets 144 lines long, 
first glume acute, 3-nerved, 1% as long as the spikelet, second 
glume 1 shorter than the fourth 7-nerved; flowering glume 
transversely rugose and mucronate pointed.— Pescadero, Septem- 
ber 20 (48). 
cosy CENCHRUS ECHINATUS L.—Mazatlan, Mexico, October 
9). 
29. CENCHRUS PALMERI Vasey! 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 Cenxchrus pauciflorus 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 10-fidis, 
spiculis subternas superantibus.”—La Mesa, October 24 (12). 
