80 
BULLETIN 772, U. S. DEPARTMENT OF AGRICULTURE. 
toothed, many-nerved, the nerves extending into the teeth; lemmas 
firm, prominently 13 to 15 nerved, the broad summit with 5 long 
Fig. 37. — Blepharidachne Mngu. Plant, X 1 ; spikelet and perfect floret, the latter 
showing the rudiment behind the palea, X 5. 
teeth or with numerous short teeth ; palea broad, 2-nerved, as long as 
the lemma. 
Low cespitose annuals, with short blades and terminal spikelike 
racemes, the spikelets rel- 
atively large, appressed, 
the upper aggregate, the 
lower more or less remote. 
Species two ; California 
and Lower California. 
Type species: Orcuttia call- 
fornica Vasey. 
Orcuttia Vasey, Bull. Tor- 
rey Club 13: 219, pi. 16. 1886. 
The one species described was 
collected by C. R. Orcutt at 
San Quentin Bay, Lower Cali- 
fornia. 
Our species, both in 
California, are Orcuttia 
greenei Yasey , from Chico, 
of which only the type 
collection is known, and 
0. calif omica (fig. 38), 
. which has been collected 
Fig. 38. — Orcuttia calif ormca. Plant, X I ; spikelet 
and floret, the latter without a joint of the at Goose Valley. Ihe lat- 
rachilla, this not disarticulating, X 5. ter spec i es i s distinguished 
by having 5-toothed lemmas; 0. greenei has truncate lemmas, the 
nerves extending into short points. 
