161 



FIG. 129. Scribneria bolanderi (Thurb.) Hack. — o. &, Spikelets; c, a floret 

 showing the awned flowering glume, the palea, and one stamen; c', the prolon- 

 gation of the rachilla; d, palea; e, grain with adherent stamen at apex. 



129. SCRIBNERIA Hack. Bot. Gaz. 13 : 105. 1888. Spikelets solitary or in 

 pairs at the joints of the rachis, 1-flowered, hermaphrodite, with a very short 

 prolongation of the rachilla behind the palea. Empty glumes 2, narrow, rigid, 

 acute, slightly unequal, strongly keeled; flowering glume shorter than the 

 empty ones, membranaceous, keeled, 2-toothed at the apex, and awned between 

 the teeth; callus barbate. Palea as long as or slightly exceeding the glume, 

 acutely 2-toothed. Stamens 1. Stigmas sessile, plumose. Caryopsis linear, 

 nearly terrete. A low slender annual with short, narrow leaves and terminal, 

 slender spikes. 



Species 1, California, Oregon. 



15144— No. 20 11 



