13 

 Panicum filipes Scribn. n. sp. 



(PLATE I.) 



Culms slender, about 30 inches high, branched at the base, minutely 

 bearded at the nodes, otherwise smooth; sheaths smooth; ligule 

 reduced to a minute barbate ring, or obsolete ; leaf-blade smooth, 

 the upper one on the flowering culm three to four lines wide, and 

 six to eight inches long, those of the sterile shoots one to two lines 

 wide, and five inches to nearly a foot long; panicle twelve inches 

 long, the few-flowered capillary branches and long pedicels spread- 

 ing ; spikelets about i ^ lines long, ovate acute ; first glume broadly 

 ovate obtuse, three-nerved, about one-half the length of -the second ; 

 second and third glumes nearly equal, acute ; the second five to 

 seven-nerved, the third seven to nine-nerved, and with a palea 

 about half its length ; flowering glume nearly elliptical, obtuse, very 

 smooth and shining, about one-fourth shorter than the second and 

 third glumes. A slender, erect or ascending, smooth perennial (?), 

 with long, narrow leaves, and ample capillary panicles. Descrip- 

 tion drawn from single specimen. 

 Growing in rich shaded ground in the upper part of the "Arroyo," at 



Corpus Christi, altitude 30 feet. Scarce. 

 May 31 (1809). 



CHAMAERAPHIS R. Br. Prodr. Fl. Nov. Holl. i : 193 (1810). 



[SETARIA Beauv. Agrost. 113 (1812), notAch. 1798.] 

 Chamaeraphis setosa (Swartz) Kuntze, Rev. Gen. PI. 768 (1891). 

 Panicum setosum Swartz, Prodr. 22 (1783-87). 

 Setaria setosa Beauv. Agrost. 51 (1812). 



In a cultivated field along the left bank of the Guadalupe, altitude 

 1625 feet. Called " wild millet " by the farmers. Not observed at any 

 other place. 



June 21 (1897). 



Chamaeraphis glauca (L. ) Kuntze, Rev. Gen. PL 767 (1891). 

 Panicum glaucum L. Sp. PL 56 (1753). 

 Setaria glauca Beauv. Agrost. 51 (1812). 



A stout form with perennial root, found sparingly in gravelly places 

 along the Guadalupe at Kerrville, altitude 1600 feet. Solitary, and 

 scattered at long intervals. 



June 19 (1889). 



Chamaeraphis caudata (Lam.) Kuntze, Rev. Gen. PL 769 (1891). 

 Panicum caudatum Lam. Tabl. Encycl. i : 171 (1791). 



