MEMOIRS OF THE NEW YORK BOTANICAE GARDEN, 21 



Panicum barbipulvinatum Nash. 



Paniaun capillare hrevifolianiXdi'&Q.y \ Scribner, Bull. U. S. Dept. 

 Agric. Div. x\grost. 5 : 21 ; not Panicum hrevifoJitun L. 



Culms at length branched and rooting at the lower nodes, the up- 

 per portion below the panicle pubescent with spreading hairs :.leaves 

 confined to the base of the culm ; sheaths coarsely striate, densely 

 pubescent with spreading hairs, the hairs arising from papillae ; ligule 

 a short scarious ring ; blades erect, pubescent on both surfaces with 

 spreading hairs, sparsely so above, 4-13 cm. long, 5-10 mm. wide, 

 lanceolate : panicle ovate, 1-2 dm. long, the lower part of the axis 

 and the basal part of the lower branches.together with the axils of all 

 the branches pubescent with spreading hairs, the remaining portion 

 of the axis together with the branches and their spreading divisions 

 very rough with a hispid pubescence, the branches widely spreading, 

 the lower ones finally reflexed : spikelets lanceolate, acuminate, ap- 

 pressed, on strongly hispid pedicels, 3-3.3 mm. long, glabrous; first 

 scale clasping the base of the spikelet, a little less than one-half its 

 length, broadly ovate, rather abruptly acute, 3-nerved, the lateral 

 nerves converging toward the midnerve at about the middle and some- 

 times running into it; second and third scales 7-nerved, acute, pubes- 

 cent at the very apex, the former a little exceeding the latter ; fourth 

 scale chartaceous, elliptic, about two-thirds as long as the second 

 scale, about 1.8 mm. long and 0.7 mm. wide, obtuse at the apex. 



In wet and sand}^ soil at an altitude of 1500 to 2500 m. 



Yellowstone Park: Lower Geyser Basin, August 4, 1897, 

 Rydberg (.i- Bcsscy, JJ44 (type). 



Montana: Great Falls, 1890, R. S. IVil/iams, 8^3; Manhattan, 

 1895, Rydberg, 436 (?). 



Echinochloa Crus-galli (L.) Beau v. Agrost. 53 ; Pan i aim Criis-gaUi 

 L. Sp. PI. 56 [Man. R. M. 403 ; 111. Fl. i : 113 ; Bot. Cal. 2 : 2^60] . 

 In waste places, around dwellings and in neglected fields, 

 Montana: Ulm, 1887, 7?. S. Wtlliams, jp/. 



Phalaris arundinacea L. Sp. PI. 55 [Man. R. M. 406; 111. Fl. i: 



130 ; Bot. Cal. 2 : 265]. 



Common in wet meadows and sloughs, throughout the region up 

 to an altitude of 2500 m. It makes a good, but coarse, hay. 



Montana: Dillon, July 3, 1895, C. L. Shear, jjq and P. A. 

 Rydberg, 2o8g: Townsend, July 16, 1895, Rydberg, 2166: Man- 

 hattan, July 17, C. L. Shear, 423 ; East Gallatin Swamps, July 24, 

 i^g6, Plodman, 23 : Gallatin River, 1886, Tzueedv, loog ; Cliff Lake, 

 July 27, 1897, Rydberg d- Bessey, 3348; Great Falls, 1886, R. S. 



