LIST OF NEW SUBGENERA AND SPECIES AND NEW NAMES. 
Dichanthelium Hitchc. & Chase, subgen. nov. (type P. dichotomum L.)...... 
asiacisi(Griseb:) Matcher seas s tees nee eee ae Mee ee ee peers Saree 
Lastacis sect. Panicum Griseb. 
Lasiacis divaricata (IG) Hatches oes eee es ee ee ae ee eee 
Panicum divaricatum L. 
Panicum) amarilum Hitehe:aiChasesp) WOVe-- 2-4 ao eee 
Panicum) breve Hitch: & Chase, sp. 00V,..-4222-5- 4-2 =e ee eee eee 
Panicum bulbosum sciaphilum (Rupr.) Hitchc. & Chase.....-.-.....--...-- 
Panicum sciaphilum Rupr. 
Panicum'concinnivs Hitche, & Chase:225.- 522-25 -e- 4) oa eee eee 
Panicum gracilicaule Nash, 1903, not Rendle, 1899. 
Panicumicupreum Hatched: Chase. -sssess. 2256 eee ase ae eee 
Panicum hians purpurascens Scribn., not P. purpurascens H. B. K. 
Panicum firmulum Hitche. & Chase, sp. nov...........-.-.-.-.----+------- 
Panicumplanguidum) Hitched Chasess5-. 4-5 ee soe) oe oe eee 
Panicum unciphyllum forma prostratum Scribn. & Merr., not P. pros- 
tratum Lam. 
Panicum) lepidulum! Hitche. & Chase, sp. mov.-2:125- 2222. - 2322522 -22 sees 
Panicum longumpbbitches ds Chase! ss..2 2-25 ae eee oe ee eee 
Panicum pilosum macranthum Scribn., not P. macranthum Trin. 
Panicum nodatum Hitchc. & Chase, sp. nov............-....-----------:-- 
Panicum olivaceum Hitchc. & Chase, sp. nov....--.-...--- Pao) eee 
Panicum pacificum Hitche. & Chase, sp. nov......-.-...----- Dips Agere A 
Panicum paludivagum Hitchc. & Chase, sp. nov......-...-..----.---------- 
Panicum pampinosum Hitchc. & Chase, sp. nov......-.------..------------ 
Panicum parcum Hitchc. & Chase, sp. nov---..------.------------ Weise 3 
Panicund plenum Hatches & Chasey sp, HOVe s-seeeseses eee ae ee 
Panicum rhizonatum Hutches chase. sp. WOvies-se- o-oo - eee 
Panicunmrotungum: Hitched) Chasey sp: NOV. = a2 s=- ss eee ee 
Panicum sphaerocarpon inflatum (Scribn. & Smith) Hitchc..............-. 
Panicum inflatum Scribn. & Smith. 
Panicum stramineum Hitchc. & Chase, sp. nov.....-..--....-------------- 
Panicum _vernale Hitched Chase isp nO vies a se ee 
Panicum xalapense strictirameum Hitchc. & Chase, subsp. nov......--.-. 
Paurochaetium Hitchc. & Chase, subgen. nov. (type P. distantiflorum Rich.). 
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