1901] Scribner & Merrill, — New England Panicum 109 
or somewhat yellowish perennial, 1.5-6 dm. high, with simple culms, 
erect, lanceolate leaves and few-flowered contracted panicles 5—10 cm. 
long. Culms glabrous, branching at the base; nodes smooth; 
sheaths striate, sparingly pilose-pubescent or nearly smooth, shorter 
than, or sometimes exceeding the internodes: ligule very short; leaf 
blades 4-15 cm. long, 6-20 mm. wide, erect, rounded and somewhat 
clasping at the base, acute or acuminate, strongly nerved, nearly 
smooth, except on the strongly serrulate-scabrous margins, sometimes 
ciliate at the base. Panicle subsimple, exserted, its branches ap- 
pressed, nearly smooth. Spikelets obovoid, obtuse, about 3 mm. long, 
first glume 3-nerved, lanceolate, about one-half as long as the nearly 
equal second and third glumes which are g-nerved and sparingly 
pubescent or rarely nearly glabrous; flowering glume smooth and 
shining. 
General distribution: in dry soil, Quebec to Pennsylvania, west 
to Minnesota and Manitoba, June to August. 
Marne: Rumford, J. C. Parlin, 1889 ; Orono, gravelly soil, M. Z. 
fernald, July 14, 1890, open sandy soil, 345 M. L. Fernald, July 26, 
1895, and sandy river thicket, M. Z. Fernald, July 12, 1897; Mad- 
ison, sandy woods, 521 M. L. Fernald, 1892; North Berwick, 7. C. 
Parii, July 5, 1891; South Berwick, 519 7. C. Parlin & M. L. 
Fernald, June 13-14, 1896; Mechanic Falls, 7. 4. Allen, July 11, 
1897; Harrison, 7. Blake, July 1884; York, dry woods, M. LZ. 
Fernald, July 17, 1891; Buckfield, 7. A. Allen, July 1, 1878; Wells, 
Kate Furbish, 1879 ; Gilead, gravelly soil, Kate Furbish, July, 1897 ; 
East Auburn, Æ. D. Merrill, July, 1898. New Hampsuire: Upper 
Gilmantown, /. Blake, July 1, 1869; Shelburn, dry woods, W. Deane, 
Aug. 8, 1883 and July 25, 1884. Vermont: Burlington, sandy 
open woods, Z. A. Jones, July 20, 1893 and June 28, 1896; Snake 
Mt., Addison, Z. R. Jones, July 1, 1898; Vernon, A. J. Grout, Aug. 
2, 1895. MassacHusETTS: Amherst, Æ. G. Jesup, July, 1874; Ash- 
burnham, S. Harris, July 12, 1896; Springfield, W. H. Chapin, 
June 25, 1885. 
PANICUM XANTHOPHYSUM forma AMPLIFOLIUM Scribn. in Fl. Vt. 
104. 1900.—Culms stout; lower sheaths crowded, strongly striate 
and papillate-hirsute, blades firm, 10-20 mm. wide. Dry sandy soil, 
Burlington, Vt., Prof. L. R. Jones collector, August 31, 1893. 
t t Panicles ovate, open, the branches spreading. 
t Leaf-blades ample, 2 to 3 cm. broad, cordate and clasping at the base. 
§ Sheaths papillose-hispid. 
16. PANICUMCLANDESTINUM Linn. Sp. Pl. 58. 1753. ( Panicum 
pedunculatum Torr. Fl. U. S. 141. 1824; Panicum clandestinum 
pedunculatum A. Gray, Man. Bot. 613. 1848; Panicum decoloratum 
Nash. Bull. Torr. Bot. Club, 26: 570. 1899.)—A rather stout, ascend- 
