1901] Scribner & Merrill,— New England Panicum 99 
Willams, Sept. 15, 1895; Framingham, Æ. C. Smith, Sept. 5, 1897 ; 
Dedham, Æ. & C. E. Faxon, no date; West Quincy, gravelly road, 
Blue Hills Reservation, W. P. Rich, Sept. 30, 1894; West Hingham, 
Great Hill, 7. R. Churchill, Sept. 2, 1890. RHODE IsLAND: Prov- 
idence, /. F. Collins, Sept. 1, 1894; no locality, W. W. Bailey, in 
Herb. N. E. Bot. Club; no locality, 7. Z. Bennett, 1865. CONNECT- 
Icut: New Haven, /. A. Allen, Sept. I5, 1878; Ayer City, C. W. 
Swan, Aug. 30, 1882. 
* * Rachis flat, wing-margined. 
2. PANICUM SANGUINALE Linn. Sp. Pl. 57. 1753. (Digitaria 
sanguinalis Scop. Fl. Carn. ed. 2, 1: 52. 1772 ; Syntherisma praecox 
Walt. Fl. Car. 76. 1788; Paspalum sanguinale, Lam. Tabl. Encycl. 
I: 176. 1791; Syatherisma sanguinalis. Dulac. Fl. Hautes Ef T. 
1867.) 
A much-branched, leafy annual 3-12 dm. high, at first erect but 
finally prostrate at the base and rooting at the lower nodes, with 3 to 1o 
erect or ascending racemes 5 to 18 cm. long. Sheaths loose, shorter 
than the internodes, the lower ones densely papillose-hirsute, the 
upper ones sparingly so or glabrous; ligule a scarious ring, o.5 mm. 
long : leaf-blades 4—20 cm. long, 4-10 mm. wide, erect or ascending, 
more or less papillose-hirsute on both surfaces. Panicle finally ex- 
serted, racemes usually digitate, rachis triangular, the angles broadly 
winged, hispidulous on the margins. Spikelets 2.5-3 mm.long, elliptic- 
lanceolate, acute, in pairs on 3-angled pedicels: first glume minute, 
triangular, glabrous; the second glume about one-half as long as the 
spikelet, 3-nerved, the margins and internerves pubescent with ap- 
pressed hairs; third glume about as long as the flowering glume, 7- 
nerved, pubescent on the margins ; flowering glume yellowish-white 
when mature, apiculate, elliptic-lanceolate. 
General distribution: in cultivated fields, roadsides and waste 
places, throughout North America. July to September. Introduced 
from Europe. ` 
MaiNE: North Berwick, 7. C. Parlin, Sept. 1893 and Sept. 1894, 
East Auburn, roadsides, E. D. Merrill, July, 1398. MASSACHUSETTS: 
Bourne, sandy roadsides, W. P. Rich, Aug. 21, 1898; Lynnfield ; 
roadside. W. P. Rich, Aug. 21, 1892; Chelsea, cultivated ground, 
W. P. Rich, July 29, 1888; Truro, sandy roadsides, W. P. Rich, 
Sept. 8, 1888; Stoneham, border of Spot Pond, W^ P. Rich, Sept. 
29, 1892; Revere, Oak Island, Æ. A. Young, Aug. 13, 1882, and 
Sept. 20, 1878 ; West Cambridge, clay pit, Æ. F. Williams, Aug. 28, 
1897; Malden, Golding Mills, Z. S. Collins, Sept. 25, 1887 ; Charles- 
town, C. Æ. Perkins, July, 28, 1881 ; Attleboro, 7. R. Churchill, Aug. 
6, 1897; Dorchester, /. R. Churchill, Sept. 7, 1883 and Sept. 20, 1888 ; 
Cambridge, yard, W. Deane, Aug. 24, 1883; Andover, J. Blake, 
Sept. 5, 1882, and Aug. 27, 1884; Nonquit, Æ. Z. Sturtevant, Sept. 
5, 1888; South Framingham, Æ. Z. Sturtevant, Sept. 19, 1890. 
