. Grasses of North America [microform] : the grasses classified, described and each genus illustrated, with chapters on their geographical distribution and a bibliography. Grasses; Forage plants; Graminées; Plantes fourragères. 868 POACE^.. This has been confounded with I), calycina Presl, which see. 6. D. osespitosa (L.) Beiuiv. Agrost. Itl, /. JS, f. 3 (1812). Aira ccpspitosa \j. Sp. PI. 64 (1753). There is a very large num- ber of other synonyms. A tul'tcd perennial, 60-120 cm. liigh. Ligule sliort. or long and acute; blades rather stilf, the lower 30-50 cm. long, 3 mm. or less in width, of


. Grasses of North America [microform] : the grasses classified, described and each genus illustrated, with chapters on their geographical distribution and a bibliography. Grasses; Forage plants; Graminées; Plantes fourragères. 868 POACE^.. This has been confounded with I), calycina Presl, which see. 6. D. osespitosa (L.) Beiuiv. Agrost. Itl, /. JS, f. 3 (1812). Aira ccpspitosa \j. Sp. PI. 64 (1753). There is a very large num- ber of other synonyms. A tul'tcd perennial, 60-120 cm. liigh. Ligule sliort. or long and acute; blades rather stilf, the lower 30-50 cm. long, 3 mm. or less in width, often Hat, deeply grooved on the upper side, scabrid. Panicle i)yram- idal or oblong, 1-3 cm. long, rays slen- der, bearing spikelets above the middle. Spikelets 'I- (rarely 3-) ilowered, com- pressed, shining, brownish, lead-colored or i)ur})lisli, first emi)ty glume linear, acute or obtuse or linear-lanceolate, 1-3- nerved, 3-6 mm. long, second glume oval, acute, a little longer, 3-nerved, the lateral nerves obscure; Horets —1 mm. long, overlapi»ing about half their length, tlie base sparingly hairy, awn starting 1 mm. or less from the base, equalling the glume or longer or shorter; iloral glume usually thinner than the empty glumes, oval, truncate. -1-5-toothed or jagged, 5- (rarely 7-) nerved; palea broad, as long as its glume or shorter, 2-toothed. Vermont, Pringle; Michigan, Beal 82, Clark ^b, 30; Minnesota, Bailey M 424; Montana, Anderson 59, Buff urn C 43, C 53, C 03, C 73; Colorado, CassUly; Alaska, Merriain iov'^oX. Herb. Ill, 133; California, Jowe^ 2579, Parish 1543. Very variable and widely distributed in the north and south temperate aiul arctic aiul mountain regions. Found in New Eng- land and across the continent to Alaska. The European form is often viviparous. See Vol. 1, p. 37. Var. alpina Vasey Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of


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Keywords: ., bookcentury1800, bookdecade1890, bookpublishernewyo, bookyear1896