E 
104 Rhodora [May 
cm. long, naked below, the secondary branches appressed and few 
(1-4) flowered. Spikelets 2 mm, long, oval, acute; outer glumes 
apparently nerveless, the first smooth, one-fourth as long as second 
and third, which are tuberculate-roughened (verrucose); flowering 
glume abruptly sharp pointed or submucronate, smooth. Palea with 
a callus-like elevation at the base. 
General distribution: in damp, rich, shaded soils, Massachusetts 
to Tennessee, Florida and Louisiana, mostly near the coast, July to 
September. Rare in New England. 
MASSACHUSETTS : Plymouth, Oakes, no date; Centreville, gravelly 
shore of Nine Mile Pond, W. P. Rich, Sept. 4, 1898; Springfield, 
island in Red House Pond, / W. Batchelder, Sept. 28, 1894. 
This species is readily distinguished by its slender straggling 
habit and rough, nerveless outer glumes. 
t f Annuals. 
t Glabrous or nearly so. 
9. PANICUM PROLIFERUM Lam. Encycl. 4: 747a. 1797. (Panicum 
geniculatum Muhl, Gram. 123. 1817.) — A smooth, usually much- 
branched annual, with rather coarse spreading or ascending (rarely 
erect) stems, 6—12 or 18 dm. long, flat leaves and diffuse terminal 
and lateral panicles. Sheaths smooth, lax, somewhat flattened ; ligule 
ciliate; leaf-blades 15 to 30 or 60 cm. long, 4-20 mm. wide, acute, 
scabrous on the margins and sometimes also on the prominent nerves, 
rarely pilose on the upper surface. Panicles pyramidal, 10 to 12 or 
4o cm. long, the primary and secondary branches spreading, scabrous. 
Spikelets rather crowded on short appressed and scabrous pedicels, 
ovate lanceolate, acute, 2-3 mm. long, smooth, green or purplish; 
first glume embracing the base of the spikelet, usually obtuse and 
nerveless, rarely 1—3-nerved, one fourth to one-third as long as 
the nearly equal, acute 5 to 7-nerved second and third glumes, the 
latter sometimes having a hyaline palea in its axil; floral glume el- 
liptical, subacute, smooth and shining, a little shorter than the larger 
outer glumes. Anthers saffron yellow. 
General distribution: in wet soil, Maine to Pennsylvania and 
Nebraska, south to Florida and Texas, July to September. 
Maine: North Berwick, /. C. Parlin, Aug. 28, 1891; Saco, waste 
places, /. C. Parlin, Aug. 27, 1887 ; Gott’s Island, F. Z. Harvey, Aug., 
1896; Kennebunk, /. Blake, Aug. 23, 1880. MASSACHUSETTS: 
Truro, cranberry meadow, W. P. Rich, Sept. 8, 1898; Agawam, 
W. Deane, Sept. 3, 1895; Andover, J. Blake, Sept. 1,1883 ; Nantucket, 
Gibb's Pond, W. Deane, Sept. 11, 1885, also J. R. Churchill, Sept. 11, 
1885; South Boston, Æ. A. Young, Sept. 25, 1888, IW. P. Rich Aug. 
29, 1888; Boston, Æ. C. Smith, Sept, 1899; Framingham, 751 
E: C. Smith, Sept. 1899; also Æ. Z: Sturtevant, Sept. 28, 1890; 
Dartmouth, Æ. Z. Sturtevant, Sept. 13, 1889; Hingham, 751 Æ. C. 
