Windmill Grass

Chloris latisquamea Nash, Bull. Torrey Club 25 : 439. 1898
Chloris verlicillala var. intermedia Vasey. in Coult. Contr. U. S. Nat. Herb. 2: 528. 1894. (Type from Houston, Texas, Hall 773.)
Perennial; culms cespitose, erect, 25-70 cm. tall, somewhat flattened; sheaths overlapping, compressed-keeled, scabrous on the keel, otherwise glabrous, the margins hyaline; ligule membranaceous, 1 mm. long, minutely ciliate; blades flat, or conduplicate near the base, as much as 25 cm. long, 2-3 mm. wide, scabrous, especially on the lower side of the midnerve and on the margins; spikes 6-12, 4-8 cm. long, subdigitate, ascending or spreading; spikelets 2-2.5 mm. long; glumes lanceolate, acute, hyaline, 1-ncrved, scabrous on the keels, the first about 1 mm. long, the second 2 mm. long; fertile floret 2-2.4 mm. long, the callus short-bearded, the lemma acute, ciliate on the keel and margins, the awn 2.5-4.5 mm. long, scabrous; rudiment triangular, 1-1.5 mm. long, as broad as long, the awn 1-3 mm. long, scabrous.
Typb locality: Kerrville, Texas (Heller 1767). Distribution: Texas and northeastern Mexico.

Chloris subdolichostachya C. Mull. Bot. Zeit. 19: 341. 1861
Chloris verlicillala var. aristulata Torr. & Gray, Pacific R. R. Rep. 2: 176. 1855. (Type from Lower
Rio Grande, Gregg.) Chloris brevispica Nash, Bull. Torrey Club 25: 438. 1898. (Type from Nueces County, Texas,
Heller 1471.)
Peretmial; culms erect or sometimes decumbent at the base, 8-20 cm. tall; sheaths overlapping, compressed-keeled, glabrous; ligule 0.5-1 mm. long, minutely ciliate; blades flat or conduplicate, 2-10 cm. (usually less than 5 cm.) long, 1.5-2.5 mm. wide, the margins and under side of the midnerve scabrous, otherwise glabrous or nearly so; spikes 6-10, 3-5 cm. long, ascending, spreading, or sometimes even reflexed, strictly digitate, densely pubescent at the very base; spikelets 2.5 mm. long; glumes acute, 1 -nerved, scabrous on the keel, the first 1.2 mm. long, the second 2 mm. long; fertile floret 2.5 mm. long, the lemma acute, minutely pilose on the keel and margins, the awn 1-3 mm. long (usually about 2 mm.), scabrous; rudiment subobtuse, bowed out at the middle, 1.5 mm. long, the awn 1-2 mm. long, scabrous.
Type locality; Texas (Drummond 372).
Distribution; Prairies and dry open ground, southern Texas.

Perennials, Terrestrial, not aquatic, Stolons or runners present, Stems nodes swollen or brittle, Stems erect or ascending, Stems caespitose, tufted, or clustered, Stems terete, round in cross section, or polygonal, Stem internodes solid or spongy, Stems with inflorescence less than 1 m tall, Stems, culms, or scapes exceeding basal leaves, Leaves mostly cauline, Leaves conspicuously 2-ranked, distichous, Leaves sheathing at base, Leaf sheath mostly open, or loose, Leaf sheath smooth, glabrous, Leaf sheath or blade keeled, Leaf sheath a nd blade differentiated, Leaf blades linear, Leaf blades very narrow or filiform, less than 2 mm wide, Leaf blades mostly flat, Leaf blades mostly glabrous, Leaf blades scabrous, roughened, or wrinkled, Ligule present, Ligule a fringed, ciliate, or lobed membrane, Inflorescence terminal, Inflorescence solitary, with 1 spike, fascicle, glomerule, head, or cluster per stem or culm, Inflorescence a panicle with narrowly racemose or spicate branches, Inflorescence a panicle with digitately arranged spicate branches, Inflorescence with 2-10 branches, Inflorescence branches more than 10 to numerous, Inflorescence branches 1-sided, Lower panicle branches whorled, Inflorescence branches paired or digitate at a single node, Flowers bisexual, Spikelets sessile or subsessile, Spikelets laterally compressed, Spikelet less than 3 mm wide, Spikelets with 1 fertile floret, Spikelets solitary at rachis nodes, Spikelets all alike and fertille, Spikelets bisexual, Spikelets disarticulating ab ove the glumes, glumes persistent, Spikelets disarticulating beneath or between the florets, Rachilla or pedicel glabrous, Glumes present, empty bracts, Glumes 2 clearly present, Glumes distinctly unequal, Glumes shorter than adjacent lemma, Glumes keeled or winged, Glumes 1 nerved, Lemma similar in texture to glumes, Lemma 3 nerved, Lemma body or surface hairy, Lemma apex truncate, rounded, or obtuse, Lemma awnless, Lemma margins thin, lying flat, Lemma straight, Palea present, well developed, Palea shorter than lemma, Palea 2 nerved or 2 keeled, Stamens 3, Styles 2-fid, deeply 2-branched, Stigmas 2, Fruit - caryopsis, Caryopsis ellipsoid, longitudinally grooved, hilum long-linear.