a 
GRASS FAMILY. I9l 
1o. Eragrostis refracta (Muhl.) Scribn. Meadow Eragrostis. (Fig. 437.) 
Poa refracta Muhl. Gram. 146. 1817. 
Eragrostis campestris Trin. Bull.Acad. Sci. St. Petersb. 
I: 70. 1836. 
Eragrostis refracta Scribn. Mem. Torr. Club, 5: 49. 
1894. 
Culms 1°-3° tall, erect, slender, simple, smooth 
and glabrous. Sheaths overlapping, smooth and 
glabrous; ligule a ring of short hairs; leaves 5’—12/ 
long, 1/’-2’’ wide, smooth beneath, rough above, 
and villous toward the base; panicle 8/—20’ long; 
branches slender, 4’-10’ long, at length widely 
spreading, the axils often bearded; spikelets 6-25- 
flowered, 214’/-6’’ long, on pedicels shorter than 
themselves; empty scales acute, the first somewhat 
shorter than the second; flowering scales very 
acute, 4’/-1/’ long, the lateral nerves prominent. 
In moist soil, Delaware and Maryland to Florida, 
west to Texas. Aug.—Sept. , 
11. Eragrostis trichodes (Nutt.) Nash. MHlair-like Eragrostis. (Fig. 438.) 
Poa trichodes Nutt. Trans. Am. Phil. Soc. (II.) 5: 146. 
Lee tenuts A. Gray, Man. Ed. 2, 564. 1856. 
Not Steud. 1855, nor Poa fenuis Ell. 1817. 
Eragrostis trichodes Nash, Bull. Torr. Club, 22: 465. 
1895. 
Culms 2°-4° tall, erect, simple, smooth and gla- 
brous. Sheaths overlapping, smooth, pilose at the 
throat; ligule a ring of very short hairs; leaves 
6/-28’ long, 1’’-2’’ wide, smooth beneath, slightly 
scabrous above, attenuate into a long slender 
tip; panicle 9’—26’ in length, narrow and elong- 
ated, the branches erect or ascending, capillary, 
subdividing, somewhat flexuous, 3/-7’ long; lower 
axils sometimes bearded; spikelets usually pale, 
3-10-flowered, 2'4’’-4%4’’ long; lower scales very 
acute, about equal; flowering scales acute, the lower 
ones 114’/-14”” long, their lateral nerves manifest. 
In dry sandy soil, Ohio and Illinois to Nebraska, 
south to Tennessee and Texas. Aug.—Sept. 
12. Eragrostis secundiflora Presl. Clus- 
tered Eragrostis. (Fig. 439.) 
Poa interrupta Nutt. Trans. Am. Phil. Soc. (II.) 5: 146. 
1833-37. Not Lam. 1791. 
Eragrostis secundifiora Pres\, Rel, Haenk. 1: 276. 1830. 
Eragrostis oaylepis Torr. Marcy’s Report, 269. 1854. 
Smooth and glabrous, culms-6’—3° tall, erect, simple. 
Sheaths shorter than the internodes; ligule a ring of 
hairs; leaves 2’—12’ long, 1’’—2’’ wide; panicle 14/6’ 
in length, the branches 14/-114/ long, erect or ascend- 
ing; spikelets crowded or clustered, sessile or nearly so, 
strongly flattened, 8-4o-flowered, 3//-10’’ long, 1//— 
214’ wide; lower scales acute, about equal; flowering 
scales 1%4//-1{’’ long, acute, usually purple-bordered, 
the lateral nerves prominent. 
In dry soil, Kansas and Missouri, south to Texas and 
Louisiana. Aug.—Sept. 
13 A 
