Poa pratensis, Linn. Kentucky Blue-grass. June- Grass. Fig. 3083. Panicle pyramidal, open, usually 3-4 in. long; spikelets 3-6-fld., %m. long; first glume 1-nerved, second 3-nerved; lemma cobwebby at base; culm usually 1-2 ft, high, forming a sod with its copious rootstocks, its long soft basal Ivs. producing an abundance of foliage. Native in the cooler regions of the northern hemisphere. Dept. Agrie., Div. Agrost., Bull. No. 20:148.—A common pasture-grass through the middle part of the U. S. Its most important horticultural use is for lawns, for which purpose its habit and aggressiveness are eminently adapted.