(814 ) 
35. Triticum L. Waeart. 
Spikelets 3--flowered. Flowers distich- 
ous, placed with their flat sides to the rachis. 
Glumes 2, lower sometimes wanting. Palets 2, 
lower rounded, upper 2-carinate, the carinate 
ciliate. Leaves flattened. Spikelets solitary, 
immersed into the excavations of the rachis, 
representing a single spike. 
1. T. REpENs L.—2¢. Common. Summer. 
36. Hordeum L. Barter. 
Spikelets 1-flowered, with the rudiment of a 
superior floret, ternate; the central spikelet %, 
the lateral ones depauperate. Glumes 2, linear- 
lanceolate, aristate; all anterior. Palets 2; 
lower concave, aristate. Leaves flattened. 
Spikelets representing a single spike. 
1. H.noposum L. Glumes all setaceous 
from a broad base.—@© ©. Oakland. Sum- 
mer. 
2. H. murinum L. Glumes of the central 
spikelet lanceolate with a long awn and ciliate; 
outer glumes of the lateral spikelets setaceous; 
inner glumes like those of the central spikelet. 
©. San Francisco. Spring. 
Native of Europe. 
3. H. supatum L. Glumes capillary, run- 
ning into very long awns.—© ©. Marin 
County. Summer. 
“¢ Squirrel-tail.” 
