PANICIvE. 97 



Virgiiiiii to Florida, Arkansas to Texas. 



Var. glabratum Eu<rt'lm. 



Leaves smooth; spikes 5-T> rachis 1-1.5 mm. wide; spikelets 

 4 mm. loiiir. 



Louisiana. 



23. (;5). Anthjenantia Beauv. Agrost. 48, t. 10, f. 7 (IS 1-2). 

 Anthnmiilia W. Br. Fliiul. Voy. -^ : App. (III.) 582 (ISU). 

 Aiihuauthus Ell. Hot. S. C. and (ia. 1 : 102 (1810). Auhtxia 

 Nutt. CJen. 1 : 47 (1818). Leptocornphiuni Noes, Agrost. liras. 

 83 (1824). 



Spikelets jointed with the apex of the pedicels, oval, sometimes 

 acute, racemose or slender, ereet, ])ranches of a loose contracted 

 panicle containing 1 perfect terminal llower and 1 staminate or 

 neuter. Em{)ty glumes nearly equal, membranous, hairy, as long 

 as the llorets or longer ; fertile floret membranous when young, 

 becoming iirmer with age, the apex soft. Stamens 3. Styles 

 distinct. Grain enclosed, but not adherent. 



The genus is closely related to Panicntn, but lacks the small 

 lowest glume of that genus. 



There are 3 species, 2 of which are f und in North Amei-ica, 

 the other in South America. 



1. A. rufa (Ell.) Schult. Mant. 2 : 258 (1824). Avla.rmitlms 

 rufuA Ell. 1. c. Panicum rvftim Kiinth, Rev. Gram. 1 : 35 

 (1829). 



A slender tufted perennial, 50-150 cm. high, from creeping 

 rootstocks, smooth throughout save the spikelets. Leaf-blades 

 erect, flat or conduplicate. almost obtuse, the lower often 40-00 

 cm. long, 3-4-6 mm. wide. Panicle exserted, slender, interrupted, 

 5-12 cm. long. Spikelets 3 mm. long, hairs spreading, outer 

 empty glumes oval, 5-nerved, red near the apex, with 4 vertical 

 rows of hairs, third glume (floral glume of the lower floret) thin, 

 oval, 3 mm. long, with no flower, floral glume of fertile floret 

 delicately 5-nerved, its palea delicately 4-nerved. 



Florida, A. H, Cnrtiss 3003; Mississippi, J. Donnell Smith in 

 1885. 



Pine-barren swamps. Southern States. 



