LIST OF NEW SUBGENERA AND SPECIES AND NEW NAMES. 
Dichanthelium Hitche. & Chase, subgen. nov. (type P. dichotomum 1..).....- 
Lasiacis (Griseb.) Hitchc............0..0 000000 ee eee 
Lasvacis sect. Panicum Griseb. 
Lasiacis divaricata (L.) Hitchc..............0...0000000..20200002002222 22 
Panicum divaricatum L. 
Panicum amarulum Hitche. & Chase, sp. nov.........-....-.-.-..-.-.------ 
Panicum breve Hitchc. & Chase, sp. nov................-2.-202.0--0.-000- 
Panicum bulbosum sciaphilum (Rupr.) Hitche. & Chase.................... 
Panicum sciaphilum Rupr. 
Panicum concinnius Hitchc. & Chase..................... Lees Lee eeeeeeee 
Panicum gracilicaule Nash, 1903, not Rendle, 1899. 
Panicum cupreum Hitchc. & Chase....................--.20-0---- 200 e eee 
Panicum hians purpurascens Scribn., not P. purpurascens H. B. K. 
Panicum firmulum Hitchc. & Chase, sp. nov......-...-2.-2-2-----2--2-e2200- 
Panicum languidum Hitche. & Chase...............2.-20...22-0-200-02e20ee 
Panicum uneiphyllum forma prostratum Scribn. & Merr., not P. pros- 
tratum Lam. 
Panicum lepidulum Hitchc. & Chase, sp. nov........ bee eee eee ee eee eee 
Panicum longum Hitche. & Chase.............2........0.0.-.2220--20225 
Panicum pilosum macranthum Scribn., not P. macranthum Trin. 
Panicum nodatum Hitchc. & Chase, sp. nov.....................-.-02-005- 
Panicum olivaceum Hitchc. & Chase, sp. nov.....................2.-2220-- 
Panicum pacificum Hitche. & Chase, sp. nov..... ne 
Panicum paludivagum Hitchc. & Chase, sp. nov........-....--....-.2-.220 
Panicum pampinosum Hitche. & Chase, sp. nov.................-.-...-20-- 
Panicum parcum Hitchc. & Chase, sp. nov.............-.....-2-0-00-20-200s 
Panicum plenum Hitche. & Chase, sp. nov.............-2.-2..2..20--0ee0ee 
Panicum rhizomatum Hitche. & Chase, sp. nov...................0..-.-04. 
Panicum rotundum Hitchc. & Chase, sp. nov...................222-2--2200- 
Panicum sphaerocarpon inflatum (Scribn. & Smith) Hitche............... 
Panicum inflatum Scribn. & Smith. 
Panicum stramineum Hitchc. & Chase, sp. nov 
Panicum vernale Hitchc. & Chase, sp. nov................--2-2.-.2+-220--- 
Panicum xalapense strictirameum Hitchc. & Chase, subsp. nov. . 
Paurochaetium Hitchc. & Chase, subgen. nov. (type P. distantiflorum Rich ). 
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