HITCHCOCK REVISIONS OF NORTH AMERICAN GRASSES. 171 



Chaetochloa imberbis Scribn. U. S. Dept. Agr. Div. Agrost. Bull. 4: 39. 1897. Based 

 on Panicum imberbe Poir. 



Chaetochloa penicillata Scribn. U. S. Dept. Agr. Div. Agrost. Bull. 4: 39. 1897. 

 Based on Panicum penicillatum Willd. 



Chaetochloa flava Scribn. U. S. Dept. Agr. Div. Agrost. Bull. 4: 39. 1897. Based 

 on Panicum Jlavum Nees. 



Chaetochloa versicolor Bicknell, Bull. Torrey Club 25: 105. pi. 329. 1898. "Borders 

 of salt and brackish marshes, Van Cortlandt Park and Kingsbridge, New York City." 

 The type specimen, in the New York Botanical Garden Herbarium, was collected by 

 Bicknell at Kingsbridge. 



Chaetochloa perennis Bicknell, Bull. Torrey Club 25:107. 1898. Based on " C. 

 glauca var. perennis Curtiss in Beal's Grasses of North America 2: 156. 1896." 



Chaetochloa laevigata Scribn. U. S. Dept. Agr. Div. Agrost. Bull. 21: 10. 1900, as 

 synonym of Chaetochloa imberbis Scribn. 



Chaetochloa imberbis perennis Scribn. & Merr. U. S. Dept. Agr. Div. Agrost. Bull. 2 1 : 



12. 1900. Based on Setaria perennis Hall. 



Chaetochloa imberbis geniculata Scribn. & Merr. U. S. Dept. Agr. Div. Agrost. Bull. 

 21: 12. 1900. Based on Panicum geniculatum Lam. 



Chaetochloa imberbis streptobotrys Scribn. & Merr. U. S. Dept. Agr. Div. Agrost. 

 Bull. 21: 13. 1900. Based on Setaria streptobotrys Fourn. 



Chaetochloa purpurascens Scribn. & Merr. IT. S. Dept. Agr. Div. Agrost. Bull. 21: 



13. 1900. Based on Setaria purpurascens H. B. K. 



Chaetochloa gracilis Scribn. & Merr. IT. S. Dept. Agr. Div. Agrost. Bull. 21: 15. 1900. 

 Based on Setaria gracilis H. B. K. 



Chaetochloa corrugata parviflora Scribn. & Merr. IT. S. Dept. Agr. Div. Agrost. Bull. 

 21: 24. 1900. The name is based upon Cenchrus parviflorus Poir. (Chaetochloa 

 geniculata) . The plants cited all belong to Chaetochloa corrugata. 



Panicum glaberrimum Ell.; Scribn. & Merr. U. S. Dept. Agr. Div. Agrost. Circ. 

 29: 3. 1901, as synonym of Chaetochloa imberbis. 



Chaetochloa ventenatii Nash in Kearney, Contr. IT. S. Nat. Herb. 5: 515. 1901. Based 

 on Setaria ventenatii Kunth. 



Chaetochloa occidentalis Nash in Britton, Man. 90. 1901. "In meadows, Kans. and 

 Ind. Terr." The type is a different specimen of the same collection as the type of 

 Setaria perennis Hall. The specimen is in the herbarium of the New York Botanical 

 Garden. 



Setaria glauca y geniculata Urban, Symb. Antill. 4: 96. 1903. Based on Panicum 

 ge niculatum Lam. -^f$-^VT^ /%"**-^ ' 



Setaria glauca 5 purpurascens Urban, Symb. Antill. 4: 96. 1903. Based on Setaria 

 purpurascens H. B. K. 



Chaetochloa geniculata Millsp. & Chase, Field Mus. Bot. 3:37. 1903. Based on 

 Panicum geniculatum Lam. 



Chamaeraphis imberbis Kuntze; Stuck. Anal. Mus. Nac. Buenos Aires 11: 76. 1904, 

 footnote. Based on Panicum imberbe Poir. Stuckert says that Kuntze and Post 

 affirm that the name Chamaeraphis has priority over Setaria. On the authority of 

 those authors he lists his Argentine species under Chamaeraphis, giving Kuntze as 

 author of the combination. 



Chamaeraphis gracilis Kuntze; Stuck. Anal. Mus. Nac. Buenos Aires 11: 76. 1904, 

 in footnote. Based on Setaria gracilis H. B. K. 



Chamaeraphis penicillata Presl; Stuck. Anal. Mus. Nac. Buenos Aires 11: 76. 1S04. 

 Presumably based on Setaria penicillata Presl, though no synonym is cited. 



Panicum versicolor Nieuwl. Amer. Midi. Nat. 2: 64. 1911. Not Panicum versicolor 

 Doell, 1877. Based on Chaetochloa versicolor Bicknell. 



Panicum occidentale Nieuwl. Amer. Midi. Nat. 2: 64. 1911. Not Panicum occi- 

 dentale Scribn. 1899. Based on Chaetochloa occiden'alis Nash._ 

 163000—20 5 



