21 
Manisuris CoRRUGATA (Bald.) 
Rottboellia corrugata Baldwin, Am. Journ. Sci. 1: 355. 1819. 
MANISURIS CORRUGATA AREOLATA (Hackel). 
Rottboellia corrugata var. areolata Hackel in DC. Mon. Phan. 
6: 309. 1889. 
v ANDROPOGON GLOMERATUS HIRSUTIOR (Hackel). 
Andropogon macrourus var. hirsutior Hackel, |. c. 6: 488. 18869. 
ANDROPOGON GLOMERATUS GLAUCOPSIS ( Elliott). 
Andropogon macrourus glaucopsis Ell. Sk. 1: 180. 1817. 
CuRYSOPOGON ELLIOTTII. 
Andropogon nutans Elliott, Sk. 1: 144. 1816. Not L. 
To this species is referred the plant with the longer branches 
of the loose panicle more or less drooping, and the fertile glumes 
of a darker brown, covered with long silky hairs. It is. close to C. 
avenaceum, but by the above characters clearly distinct. 
CHRYSPOGON NUTANS LINNEANUs (Hackel). 
Sorghum nutans Linneanum Hackel, in Mart. Fl. Bras. 2: Part 
eae 188%, 
Readily recognized by the weak decumbent stem, contracted 
panicle, with the caducous spikelets scattered, and the fertile 
glume of deep dark brown, with a stouter and much longer awn. 
Confined to the coast region and preferring a closer soil. 
PASPALUM RACEMULOSUM Nutt.; Chap. Fl. 571. 1860. 
Paspalum racemosum Nutt. Fras. Am. Phil. Soc. 5: 145. 1837- 
Not Lam., fide T. H. Kearney. | 3 
Dry pine barrens, Mobile. 
PASPALUM GLABRATUM (Engelm.) 
Paspalum Floridanum var. glabratum Engelm.; Vasey, Contrib. 
U.S. Nat. Herb. 3: 20. 1892. * 
Smooth and glaucous throughout, of a lower and more slender : a 
growth, scarcely over 214° high from a strong, horizontal,somewhat — 
jointed rootstock, leaves shorter than the culm, ¢ ‘12! long by 
114"-2" wide, long-acuminate, sheaths shorter than the Joints; : 
ligule chartaceous, obtuse; panicle of 4-6 erect, spreading, short, * 
stalked, more or less distant spikes; spikelets smaller than in 
