(308 ) 
per carinate with involute margins. Ovary 
stipitate; caryopsis obovate, free.—2{. Creep- 
ing. Leaves rigid, distichous. spreading. 
Panicle spicate-racemose. 
1. B. maritimum Raf.—San Francisco. 
Salt marshes. Summer. 
26, Lophochlena Nees. 
Spikelets o-flowered. Flowers 8. Rachis 
articulate, deciduous. Glumes 2, shorter than 
the flowers, upper 3-nerved, lower smaller, 1- 
nerved. Palets 2: lower chartaceous, oo-nerved, 
membranaceous at the apex, 2-lobed, aristate 
from the cleft; upper complicate, chartaceous, 
margin and apex membranaceous, 2-nerved, 
2-carinate, margin dentate, apex emarginate. 
Caryopsis compressed, 2-horned. Leaves short. 
Panicle secund (one-sided), simply racemose. 
1. LL. Catirornica Nees.—©. Contra Costa. 
Spring. 
2%. Glyceria R. Br. 
Spikelets oo-flowered. Glumes 2, obtuse, 
the lower shorter. Palets 2: upper 2-carinate, 
lower concave, ovate, rotund, 7-nerved. Cary- 
opsis free. Aquatics. Leaves flattened. 
Branches of the panicle semi-verticillate. 
1. G. pavctrtora Presl.—@. San Fran- 
cisco. Spring. 
