( 292 ) 
PasPALUM RIGIDIFOLIUM. 
Whole plant, with the exceptions noted below, smooth and 
glabrous. Culms tufted, erect, 3-8 dm. tall: leaves on the 
culm 2 or 3; sheaths rather loosely embracing the culm, the 
basal softly pilose with rather long spreading hairs, the upper 
sheath usually enclosing a single more or less exserted ra- 
ceme-bearing branch; ligule a scarious ring about 0.5 mm. 
wide, with a ring immediately back of it of long white hairs 
2-3 mm. long ; blades erect or ascending, rigie, linear-lance- 
olate, acuminate, 7-20 cm. long, 3-7 mm. wide: racemes 
straight, single, or rarely in 2’s, 6 13 cm, lene: the rachis 
about I mm. wide, flat: spikelets in pairs, on shorter gla- 
brous or nearly glabrous pedicels, 2.3-2.5 mm. long, 1.7—-2 
mm. wide, oval or broadly obovate; outer 2 scales membra- 
nous, the first more or less pubescent with short spreading 
hairs, 5-nerved, the second 5-nerved, or sometimes 4-nerved 
by the suppression of the midnerve; flowering scale cori- 
aceous, triangular in cross-section, the angles rounded; palet 
of similar texture. 
In dry sandy soil, high pine land, peninsular Florida. Type 
collected by the writer at Eustis, Lake Co., May 1-15, 1894, 
no. 629; also at the same place on July 25, of the same year. 
no. 1419. 
DIpLACHNE HALEI. 
Whole plant, with the exceptions noted below, smooth and 
glabrous. Culms 6~10 dm. tall, flattened, finally branching ; 
nodes 3~5: culm leaves 3-5: sheaths loose, longer or shorter 
than the internodes, compressed; ligule scarious, rounded at 
the summit, about 2 mm. long; blades erect or ascending, 
1.5-4 dm. long, 6-12 mm. wide, flat, very rough on both sur- 
faces and on the margins, long-acuminate, primary nerves 
-g: inflorescence finally exserted, 2~3 dm. long, 4-10 cm. 
wide, oblong, its axis and that of the numerous racemes ver 
rough; racemes ascending, 4-7 cm. long: spikelets 4-6 
mm. long, about 2 mm. wide, compressed, elliptic, on scabrous 
pedicels 1-2.5 mm. long: scales 7-10, lower empty 2 rough, 
1-nerved, hispidulous on the keel, the subulate first scale 
about two-thirds as long as the much broader second which is 
— slightly 2-toothed at the obtuse ae and about 2mm. 
; flowering scales about 3 mm. long, 1.2-1. . wi 
a elliptic when spread out, slightly and usually obtusely 
2-toothed at the obtuse apex, the lateral nerves pilose for one- 
