Seashore Bentgrass

Agrostis pallens Trin. Mem. Acad. St.-Petersb. VI. 6 2 : 328
1841.
Agrostis exarata var. littoralis Vasey, Bull. Torrey Club 13: 54. 1886. (Type from Oregon, Howell
64.) Agrostis densiflora var. littoralis Vasey, Contr. U. S. Nat. Herb. 3: 72. 1892. (Based on A. exarata
var. littoralis Vasey.)
Perennial, with creeping rhizomes; culms erect, glabrous, rather stout, 2-4-noded, 20-40 cm. tall; sheaths glabrous or nearly so; ligule rather firm, 2-3 mm. long; blades flat or somewhat involute, 1-4 mm. wide; panicle contracted, almost spikelike, usually pale, 5-10 cm. long; glumes acuminate, scabrous on the keel, 2.5-3 mm. long; lemma a little shorter than the glumes, awnless; palea wanting.
Type locality: North America.
Distribution: Sand dunes along the coast, Washington to central California.

Agrostis diegoensis Vasey, Bull. Torrey Club 13: 55. 1886
Agrostis foliosa Vasey, Bull. Torrey Club 13: 55. 1886. (Type from Oregon.) Not A. foliosa
R.& S. 1817. Agrostis diegoensis var. foliosa Vasey, Contr. U. S. Nat. Herb. 3: 74. 1892. (Based on .4. foliosa
Vasey.) Agrostis canina var. stolonifera Vasey, Contr. U. S. Nat. Herb. 3: 75. 1892. (Type from Oregon.)
Not A. canina var. stolonifera Blytt, 1847. Agrostis pallens foliosa Hitchc. Bull. U. S. Dep. Agr. PI. Ind. 68: 34. 1905. (Based on A. foliosa
Vasey.) Perennial, with creeping rhizomes; culms erect, often decumbent at base, glabrous, severalnoded, 50-120 cm. tall; sheaths glabrous or usually more or less scabrous; ligule thin, dentate or lacerate, 2-5 mm. long; blades flat, lax or sometimes rather stiffly appressed, scabrous, narrow or as much as 6 mm. wide, the lower often pale or brownish; panicle narrow, open, green or tawny, rarely purplish, 10-15 cm. long, the branches ascending, rather stiff, some of them naked below; glumes scabrous on the keel, about 3 mm. long; lemma a little shorter than the glumes, narrow, awnless or with a short straight awn, the callus glabrous or nearly so; palea wanting.
Type locality: San Diego, California.
Distribution: Meadows and open woods at low and medium altitudes. Montana and British Columbia to southern California and Nevada.

Agrostis lepida Hitchc. in Jepson, Fl. Calif. 1: 121. 1912
Perennial, with numerous short rhizomes; culms tufted, slender, erect, glabrous, 1or 2-
noded near base, 30-40 cm. tall; sheaths glabrous, the lower becoming fibrous; ligule as much as
4 mm. long; leaves mostly basal, the blades slender, firm, erect, flat or folded, slightly scabrous,
5-15 cm. long, 1 mm. wide or less, the upper blade below the middle of the culm, 3 cm. long or
less; panicle purple, open, 10-15 cm. long, the axis glabrous below, the branches verticillate,
becoming divaricately spreading, glabrous, naked below, the lowermost 2-5 cm. long; glumes
glabrous or nearly so, acute, 3 mm. long; lemma 2 mm. long, awnless; palea very minute or
wanting.
Type locality: Siberian Pass, Sequoia National Park, California {Hitchcock 3455). Distribution: Meadows and open woods, southern Sierras.

Perennials, Terrestrial, not aquatic, Rhizomes present, Rhizome elongate, creeping, stems distant, Stems nodes swollen or brittle, Stems erect or ascending, Stems geniculate, decumbent, or lax, sometimes rooting at nodes, Stems caespitose, tufted, or clustered, Stems terete, round in cross section, or polygonal, Stem internodes hollow, 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 and blade differentiated, Leaf blades linear, Leaf blades very narrow or filiform, less than 2 mm wide, Leaf blades 2-10 mm wide, Leaf blade margins f olded, involute, or conduplicate, Leaf blades mostly glabrous, Ligule present, Ligule an unfringed eciliate membrane, Ligule a fringed, ciliate, or lobed membrane, Inflorescence terminal, Inflorescence a dense slender spike-like panicle or raceme, branches contracted, Inflorescence solitary, with 1 spike, fascicle, glomerule, head, or cluster per stem or culm, Inflorescence branches more than 10 to numerous, Lower panicle branches whorled, Flowers bisexual, Spikelets pedicellate, 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 above the glumes, glumes persistent, Spikelets disarticulating beneath or between the florets, Rachilla or pedicel glabrous, Glumes present, empty bracts, Glumes 2 clearly present, Glumes equal or subequal, Glumes equal to or longer than adjacent lemma, Glume equal to or longer than spikelet , Glumes 1 nerved, Lemmas thin, chartaceous, hyaline, cartilaginous, or membranous, Lemma 5-7 nerved, Lemma glabrous, Lemma apex truncate, rounded, or obtuse, Lemma awnless, Lemma margins thin, lying flat, Lemma straight, Callus or base of lemma evidently hairy, Callus hairs shorter than lemma, Palea shorter than lemma, Stamens 3, Styles 2-fid, deeply 2-branched, Stigmas 2, Fruit - caryopsis, Caryopsis ellipsoid, longitudinally grooved, hilum long-linear.

Agrostis pallens is a species of grass known by the common name seashore bentgrass.

Agrostis lepida é uma espécie de gramínea do gênero Agrostis, pertencente à família Poaceae.

Agrostis pallens là một loài thực vật có hoa trong họ Hòa thảo. Loài này được Trin. mô tả khoa học đầu tiên năm 1845.