Image from page 223 of "Bulletin" (1895-1901)


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Title: Bulletin

Identifier: bulletin21unit Year: 1895-1901 (1890s) Authors: United States. Division of Agrostology Subjects: Gramineae -- United States; Forage plants -- United States Publisher: Washington, D. C. : The Division Contributing Library: New York Botanical Garden, LuEsther T. Mertz Library Digitizing Sponsor: The LuEsther T Mertz Library, the New York Botanical Garden

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Text Appearing Before Image: 56 Rooks, Crater Lake (Coville & Leiberg 379); Raveiia (A. B. Leckenby); Portland (B. Killin); Grants Pass (T. Howell 251); hills northwest of Corvallis (M. Craig). California: (J. G. Lennnon 438; C. A. Purpus 5421); Donner Lake (L. H. Pammel); San Jacinto Mountains (H. M. Hall 785); mountains south of Dixie Valley (J. B. Davy); no locality (Vasey). This form is the connecting link between B. marr/inaius and B. polyanthufi. It, like the species, is a mountain plant extending up to about 3000 meters altitude or somewhat higher. In the lower altitudes the panicle tends to become longer and laxer, passing into va- riety lafinr. 32. BROMUS POLYANTHUS Scribn. nom. nov. Bromus multiflorus Scribn. T'. S. Dept. Agr. Div. Agrost. Bui. 13: 46. 1898. Not Weig. 1772, et al. (Fig. 34.) A rather stout, erect, short-lived perennial. Culm smor)th or puberulent at the nodes, mo.st- ly 6-10 dm. high. Sheaths typically KmootJi, rarely sparse- ly pilose; ligule about 2 mm. long, rounded, su ben tire; Ijlades linear-lanceolate, mostly scabrous, especially above. Pan- icle elongate, erect, branches usually short and erect or slightly spreading. Spikelets mostly 3-3.5 cm. long, later- ally compressed, carinate, rather densely 7-11 flowered; empty glumes broad, snmotJi or somewhat scabroas,the\ov;er 3-nerved, rather obtuse or subacute, 6-8 mm. long, the upper 5-7 nerved, umst ob- tuse, 9-11 nun. long; flower- ing glume 7 nerved, 13-15 mm. long, smooth, or scabrous, rather obtuse, emarginate with a broad, hyaline mar- gin; awn 4-6 mm. long; \>a'u a a little shorter than its gin . Type No. 4024, collected l)y Aven Nelson at Battle Lake, Sierra Madre Mountain.-, Wyoming. General distribution: Colorado and Utah north to Montana and Oregon. Specimens examined.—Colorado: Glenwood Springs (Shear & Bessey 1300); Buffalo Pass (Shear & Bessey 1434, 1474, 1484); Yampa (Shear & Bessey 1421); Red Dirt Divide, Routt County (Shear & Bessey 1347, 1362, 1385); near Pallas (Shear & Bessey 1411); Middle Park (G. Vasey); Robinson (C.L. Shear 1045); Rabbit Ears Pass(C. F. Baker 4). Utah: Logan (P. A. Rydberg 2.347); Alta (M. E.Jones 1111); Fairview (M. E. Jones 5554m). Idaho: Beaver Canyon (C. L. Shear 596;

Text Appearing After Image: Fm.M.—Bromus polyantttus: a, empty glumes with two florets; b, dorsal view of a flowering glume.

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