6 
> base, and mucronate or short awn-pointed. Palea of the male floret equal- 
ing the glume, at first hyaline, Es margins becoming broadly alate and carti- 
laginous in fruit. Stamens 3. tyles long, distinct; stigmas aspergilliform. 
Grain oblong obtuse, compress i gti within the Rafting glume and palea. 
Rather broad-leafed annual (or 1 branching grasses with a cae 
paniculate inflorescence of unilateral racemes. 
Allied to Panicum Sect. sic dope ait distinguished by having the awn- , 
like continuations of the branches smooth and viscid, by the broadly winged 
palea of the male flower, and d e va ely short and mucronate-pointed 
fourth glume, which is flattened on the back and longitudinally bisuleate. dt 
smooth bristles, the winged palea of the third glume, combined with the char- 
acters presented by the fourth glume and the inflorescence, are elos sufficient 
1105; Hackel, True Grasses, p. 79), and Schlechtendal made no note of the wing- 
like Bovelopayat u ice que of the third glume in fruit. 
€ 20r3; 
Ixophoru colnet (Er Schlecht, (Plate I). An erect branching grass, with 
8 culms 2 to 3 feet high, compressed sheaths, and numerous alter- 
nate racemes arranged on a continuous axis, forming EER panicles 3 to 1 
inches long. Culms smooth, alternately sulcate between the nodes; sini 
line long, membranous; lea ades 8 to 10 inches long. 5-18 lines wide, scab- 
rous on both sides at least toward the apex, and along g the margins. Racemes 
24 to 4 inches long, the axis somewhat 3-angled, flower- mee to near the base, 
"S the apex excurrent into a slender, smooth, somewhat viscid awn, as : 
the very short scabrous pedicels of the spikelets. pia about two lines s 
sei ovate-lanceolate, subacute; the first glume broadly ovate, acute, 3 nerved, 
e 0 c 
11-nerved, one-fifth shorter than or nearly equaling the spikelet; third glume 
lanceolate acute, 5-nerved, 2 lines long, inclosing a staminate flower; fourth 
glume chartaceous, minutely punctate-scabrous, 3-nerved, scabrous at the tip, 
and short mucronate-poigted ; palea of the third glume equaling it in length, at 
first TR us, the margins becoming broadly alate and cartilaginous 
rounded, obtuse at the aper.— Schlecht. es Linn a 31, p. 421 (1861-62); Uro- 
chloa uniseta Presl Reliq. Haenk., 319 (1830); Panicum m oeiatY asey in Contr. U. 
S. Natl. Herb., 1, No. 8, 281; Lrophorus schiedeana Schlecht. (?). No. 372 E. Pal- 
mer (1886 
Schlechtendal, in his description of ppt ón schiedeana, calls it a tall panie 
grass about 3 feet high, g indem except the axis of the inflorescence, with linear 
acuminate leaves and cro racemes ‘erased along the continuous axis. He 
says of his plant that it is more robust than Presl’s, but they agree in the struc- 
ture of the spikelets, rye that —- reto of the glumes ve each other A " s 
little different. While 
species (J. schiedeana) is ERER with I. unisetus, I believe. them to be the same. 
Cort rtainly from the dimensions given, it must be distinct from the following: 
orus pringlei Scribn., n. n. (Panicum schiedeanum Beal, not Trin.). (Plate II.) 
Culms 6 to 18 1 high, much e petite pe smooth, the lower more 
or less geniculat Leaves 2 to 8 inches long, 2 to 5 lin 
wide, acute, scabrous on the margins, 33 e Panicle 14 to 4 5 
long; racemes 3 to 15, one-half to 23 inches long, erect or ascending, rarely hori- 
zontal, pubescent at the P bate; scabrous along the "en bristles flexuose, 3 to 4 
gl use. -Otherw Twise as in J. snisefus. 3 of the Rio Grande de Santi- 
ago, State of Jalisco, Mexico. No. 2047 (1888) and 2423 (1889) Pringle. In these 
