142 BULLETIN 772, U. S. DEPARTMENT OF AGRICULTURE. 
Gastridium ventricosum (Gouan) Schinz and Thell.! (G. lendi- 
gerum (L.) Gaud.) (fig. 78), with an awned lemma, a common weed 
on the Pacific coast, appears 
to have no economic value. 
66. Lagurus L. 
Spikelets 1-flowered, the 
rachilla disarticulating above 
the glumes, pilose under the 
floret, produced beyond the 
palea as a bristle; glumes 
equal, thin, 1-nerved, villous, 
gradually tapering into a 
plumose aristiform point; 
lemma shorter than the 
glumes, thin, glabrous, bear- 
ing on the back above the 
middle a slender, exserted, 
somewhat geniculate, dorsal 
awn, the summit bifid, the 
divisions delicately awn- 
tipped; palea narrow, thin, 
the two keels ending in 
minute awns. 
An annual grass, with pale, 
dense, ovoid or oblong woolly 
heads. Species one, in the 
Mediterranean region and in- 
troduced sparingly in Cali- 
fornia. 
Type species: Lagurus ovatus L. 
Lagurus L., Sp. Pl. 81, 17538; 
Gen. Pl., ed. 5, 34. 1754. Only 
one species described. 
Lagurus ovatus (fig. 79) is 
sometimes cultivated as an 
ornamental, the woolly heads 
being used for dry bouquets. 
67. EXPicAMPES Presl. 
Spikelets 1-flowered, the 
rachilla disarticulating above 
1This name is based on Agrostis 
ventricosa Gouan, Hort. Monsp. 39, pl. 
1, f. 2, 1762, which was published 
earlier in the year than Milium lendi- 
gerum I, Sp. Pl., ed. 2, 91, 1762, as 
shown by lLinneus’s reference to 
Nie. 78.—Gastridium ventricosum. Plant, X 43 Gouan’s work in the preface to the sec- 
spikelet and floret, x 5, ond edition of his Species Plantarum. 
