No. 79. 

 POA KELLOGGIl Vasjey sp. iiov. 



riant iieroniiiiil, fiiftcd, froiii a stolonifcrous rootstock. , 



r«/»(.v trcct, or somewhat deciiuibent at the base, .smooth, leafy nearly to the 

 panicle, 2 to 3 feet tall. 



Lctiris from the Ijase iinmerons, with short, scarinus sheaths and flat or loosely in- 

 volnte l>la<les G to 12 inches lonj;: leaves of the culm usually.'!; sheaths nearly smooth, 

 striate, nearly equalin}^ or often cxceediiifj the internodes, the upper one lonjif and 

 extending nearly to the panicle; blades loosely involute, 2 to 4 lines long; ligule, 1 

 line long or less. 



Jnjiorcscoicc a loose, open, pyramidal panicle; rays scabrous like the axis, in twos 

 or threes at the rather distant 5 or f> nodes, divergent or horizontal, .5 inches long or 

 less, spikelet-bearing toward the extremities. 



Spikilcts ol)loiig, compressed, ;j lines long, loosely 2- or .^-flowered with a small 

 rudiment; empty glumes ovate, acute, hispid on the keels, the lirst Inerved, 1^ lines 

 long, the second J line longer and 3-nerved; floral glume lance-ovate acute, smooth 

 except the long, tliiu wel) at the base, 5-nerved nearly to the apex, the niidiierve 

 barely exciu'rent, about 2 lines long; palet linear-oblong, 2-toothed, nearly smooth on 

 the green keels, ^ line shorter than the glume; stamens 3, slightly exserted ; inter- 

 node of rachilla smooth, nearly 1 line long. 



Plate LXXIX; n, spikelet with florets lifted out of the empty glumes; b, floret 



opened. 



California. No. 4705 of Bolander's distribution, without locality. This species 

 is evidently somewhat din-cious, but with no apparent diflerence in the spikelets, 

 unless the glumes in the pistillate florets thicken as they reach maturity. ' 



