150 



FIG. 119. Dupontia psilosantha Rupr. SLENDER DUPONTIA— a, The outer 

 empty glumes of the spikelet; b, three florets of the same. Fig. 566 of Bui. 17 

 illustrates another species of this genus. 



119. DTJPONTIA R. Br. Suppl. App. Parry's Voy. ccxc. 1823. Spikelets 2- to 

 5-flowered, hermaphrodite; rachilla articulated above the empty glumes, with 

 the callus of the flowering glumes distinctly hairy. Empty glumes 2, membra- 

 naceous, awnless, longer than the flowering glume; flowering glumes entire, 

 finely or minutely toothed at the apex, otherwise as in Graphephorum. Low 

 grasses, with flat leaves, and usually narrow panicles. 



Species 2, within the Arctic zone. 



