62 



CONTRIBUTIONS FROM THE NATIONAL HERBARIUM. 



South Dakota: Yankton, Bruce 10; Aurora, Wilcox in 1892; Redfield, Grif- 

 fiths 207; Huron, Griffiths 15; Aberdeen, Griffiths 120. 



Iowa: Thayer, Morris' A. 252; Decatur County, Fitzpatrick 31; Ames, Ball 120; 

 Dudgeon in Pammel Amer. Weeds 20; Manchester, Ball 720; Ledyard, 

 Pommel 767. 



Missouri: Creve Cceur Lake, Kellogg 20; Courtney, Bush 3318. 



Kansas: Manhattan, Hitchcock 2380, 3842, 3851, Norton 568. 



Delaware: Greenbank, Commons 30; Townsend, Canby in 1896. 



Maryland: Garrett County, Smith in 1879. 



District of Columbia: Steele in 1896; Blanchard in 1891. 



Virginia: Arlington, Chase 5442. 



West Virginia: Sweetsprings, $teeZ<? 243. 



North Carolina: Wilmington, McCarthy in 1885. 



Florida: Bay Head, Combs 665. 



Tennessee: Knoxville, ifaitfe 59 in part; Nashville, Gattinger in 1882. 



Alabama: Scottsboro, Chase 4495. 



Mississippi: Starkville, Chase 4461, Kearney 80. 



Arkansas: Benton County, Plank 84, 159. 



Louisiana: Natchitoches, Ball 149; McCall, Combs 1435. 



Texas: Seguin, Plank 99, Ennis, Smith in 1897; Texarkana, Plank 82; Dallas, 

 5e66 1299; Waller, Thurow in 1898; Galveston Island, Tmq/ 7409; Chilli- 

 cothe, 5aZZ 966. 



Oklahoma: Huntsville, Blankinship in 1896. 



Montana: Columbia Falls, Hitchcock 4932. 



Colorado: Above Manitou, Williams 2184. 



California: Pinegrove, Hansen 599. 



Bermudas: Brown & Britton 21. 



cum capillare brevifolium Vasey 



24. Panicum barbipulvinatum Nash. 



Panicum capillare brevifolium Vasey; Rydb. & Shear, U. S. Dept. Agr. Div. Agrost. 



Bull. 5: 21. 1897, not P. brevifolium L. 1753. "Montana: Manhattan, on a shaded 



sandbar in the Gallatin River; July 19, [Shear] 436." The type, collected by C. L. 



Shear, is in the National Herbarium. 



Panicum barbipulvinatum Nash in Rydb. Mem. N. Y. Bot. Gard. 1 : 21 . 1900. "Pani- 



* * not Panicum brevifolium L." is cited, but as a 

 description follows and a new type is indicated, 

 "Yellowstone Park: Lower Geyser Basin, August 

 4, 1897, Rydberg 6c Bessey, 3544 (type)," this should 

 not be considered as primarily a change of name. 

 The specimen, in the herbarium of the New York 

 Botanical Garden, agrees with Shear's no. 436, men- 

 tioned above. 



description. 



Fig. 44. 



-P. barbipulvinatum. From 

 type specimen. 



Plants erect, 15 to 50 cm. high, freely branching 

 at the base, the branches often much shorter than 

 the main culm and spreading; culms rather slender, 

 glabrous or hispid below the nodes, the lower inter- 

 nodes much shortened, the nodes often somewhat geniculate; sheaths usually longer 

 than the internodes, papillose-hispid; blades erect or erect-recurving, 3 to 15 cm. long, 

 3 to 12 mm. wide, longer or wider in exceptional specimens, hispid on both surfaces 

 or sometimes nearly glabrous; panicles soon exserted, about half the length of the 

 entire plant, rather few-flowered, the branches early divaricate, the pulvini often 



