Muhlenbergia stricta (J. Presl) Kunth

Muhlenbergia stricta (Presl) Kunth, R^v. Gram. Suppl. xvi. 1830
Podosaemum strictum Presl, Kcl. Hacnk. 1: 230. 1830.
Muhlenbergia longijulia Vasey, Contr. U. S. Nat. Herb. 1: 283. 1893. (Type from Rio Blanco,
near (Guadalajara, Mexico, Palmer 523 in 1886.) Muhlenbergia elala Vasey, Contr. U. S. Nat. Herb. 1 : 282. 1893. (Type from Guadalajara, Mexico,
Palmer 770 in 1886.)
Perennial; culms robust, erect, puberulent, 1-1.5 meters tall, the nodes near the base; sheaths puberulent, elongate, closely overlapping at the base of the plant; ligule firm, 3-5 mm. long, the sheath broader than the base of the blade, extending up on each side as distinct auricles, the ligule connecting them; blades involute, elongate, puberulent or scaberulous; panicle oblong, finally open, about one third the entire height of the culm, the axis angled, scabrous, the capillary scabrous branches numerous in subverticels, rather closely set, as much as 15 cm. long, the pedicels (branches of the fourth order) much longer than the spikelets; glumes acute, the second sometimes mucronate, half as long as the lemma; lemma acuminate, glabrous, about 3 mm. long, the delicate awn 5-10 mm. long.
Type locality: Mexico.
Distribution: Rocky hills and canyons, Morelos to Michoacan and Nayarit.