686 



MISC. PUBLICATION 200, U. S. DEPT. OF AGRICULTURE 



Figure 1034. — Panicum dichotomifiorum. Panicle, X 1; two views of 

 spikelet, and floret, X 10. (Deam, Ind.) 



Figure 1035. — Panicum bartowense. Two views of 

 spikelet, and floret, X 10. (Type.) 



Figure 1036. — Panicum lacustre. Branch of panicle, 

 X 1: (Brass 15910, Fla.); spikelet and floret, X 10. 

 (Type.) 



mm. wide, pilose on the upper sur- 

 face ; culm sheaths mostly longer than 

 the internodes, but narrow, exposing 

 the nodes, glabrous; ligule membra- 

 naceous, densely ciliate; blades flat 

 or folded, 15 to 30 cm. long, 2 to 3 

 mm. wide, sparsely pilose on the 

 upper surface; panicle erect, 10 to 

 25 cm. long, the rather distant 

 branches ascending, with appressed 

 branchle s except toward the base; 

 spikelets 2 to 2.2 mm. long, subacute, 

 glabrous; first glume one-fourth to 

 one-third as long as the spikelet. 01 

 — Edges of C3 r press ponds, west of 

 Miles City, Collier County, Fla. The 

 type, from western Cuba, is an 

 aquatic plant with a succulent base 

 rooting at the nodes and with loose 

 papery lower sheaths. 



5. Capillaria. — Branching annuals, 



papillose-hispid, at least on the 



sheaths; ligules 1 to 3 mm. long; 



panicles many-flowered, mostly 



diffuse; spikelets pointed, 7- to 



9-nerved, glabrous; first glume 



large, clasping; fruit smooth and 



shining, usually olive brown at 



maturity. 



128. Panicum flexile (Gattinger) 



Scribn. (Fig. 1037.) Culms slender, 



erect, much-branched from the base, 



20 to 70 cm. tall, somewhat hispid 



below, the nodes pubescent; blades 



erect but not stiff, glabrous or sparse- 



