IIST OF NEW SUBGENERA AND SPECIES AND NEW NAMES. 



Dichanthelium Hitchc. & Chase, Bubgen. nov. (type P. dichotomum L.) 142 



Lasiacis (Griseb.) Hitchc 16 



Lasiacis sect. Panicum Griseb. 



Lasiacis divaricata (L.) Hitchc 16 



Panicum divaricatum L. 



PanicvLtn amarulum. Hitchc. & Chase, sp. nov 96 



Paniciun breve Hitchc. & Chase, sp. nov 271 



Paniciun bulbosum sciaphilum (Rupr.) Hitchc. & Chase 83 



Panicum sciaphilum Rupr. 



Panicum concinnius Hitchc. & Chase 263 



Panicum gracilicaule Nash, 1903, not Rendle, 1899. 



Panicum cupreum Hitchc. & Chase 120 



Panicum, hians purpurascens Scribn., not P. purpurascens H. B. K. 



Panicum firmulum Hitchc. <& Chase, sp. nov 27 



Panicum languidum Hitchc. & Chase 232 



Panicum unciphyllum forma prostratum Scribn. & Merr., not P. pros- 

 tratum Lam. 



Panicum lepidulum Hitchc. & Chase, sp. nov 75 



Panicum longum Hitchc. & Chase Ill 



Panicum pilosum macranthum Scribn., not P. macranthum Trin. 



Panicum nodatvim Hitchc. & Chase, sp. nov 293 



Panicum olivaceum Hitchc. & Chase, sp. nov 225 



Panicum paciiicum Hitchc. & Chase, sp. nov • 229 



Panicum paludivagum Hitchc. & Chase, sp. nov 32 



Panicum pampinosum Hitchc. & Chase, sp. nov 66 



Panicum parcum Hitchc. & Chase, sp. nov 68 



Panicum plenum Hitchc. & Chase, sp . nov 80 



Panicum rhizomatum Hitchc. & Chase, sp. nov 109 



Panicum rotundum Hitchc. & Chase, sp. nov 139 



Panicum sphaerocarpon inflatum (Scribn. & Smith) Hitchc 253 



Panicum inflatum Scribn. & Smith. 



Panicum stramineura Hitchc. & Chase, sp. nov 67 



Panicum vemale Hitchc. & Chase, sp. nov 266 



Panicum xalapense strictirameum Hitchc. & Chase, subsp. nov 161 



Paurochaetium Hitchc. & Chase, subgen. nov. (typeP. distantiflorum Rich.). 22 



332 



