Notes on genera of Paniceae : I-IV . ut the plate anddescription identify the species. Echinolaena hirta Desv. Journ. deBot. Paris 1 : 75. 1813. (See above.) Echinolaena scabra H. B. K. & Sp. 1 : 118. pi. Cres-cit in ripa umbrosa Atabapense juxtavicum San Balthasar et rupem Kema-rumo. (Prov. de la Nueva Guayana.) The type specimen has not beenexamined but the plate and description identify the species. Panicum echinolaena Nees, Agrost. Bras. 128. 1829. Nees divides theentire species into three varieties, a, £ and 7 and cites Echinolaenascabra H. et K. as a synonym without ind
Notes on genera of Paniceae : I-IV . ut the plate anddescription identify the species. Echinolaena hirta Desv. Journ. deBot. Paris 1 : 75. 1813. (See above.) Echinolaena scabra H. B. K. & Sp. 1 : 118. pi. Cres-cit in ripa umbrosa Atabapense juxtavicum San Balthasar et rupem Kema-rumo. (Prov. de la Nueva Guayana.) The type specimen has not beenexamined but the plate and description identify the species. Panicum echinolaena Nees, Agrost. Bras. 128. 1829. Nees divides theentire species into three varieties, a, £ and 7 and cites Echinolaenascabra H. et K. as a synonym without indicating to which variety heconsiders it synonymous. Since he also cites specimens we can not con-sider P. echinolaena a change of name only. Var. a et /3 in Brasiliameridionali. (Sellow.) Vidi in Herb. Reg. Berol.)—Var. 7 in campissiccis ad Tanbate nee non Sahara, provinciarum S. Pauli et Minarum* * * (Martins). The specimens referred to as a and p have notbeen examined. The Martius specimen, the type of var. 7, in the Munich. Fig. 2. Echinolaena inflexa. (Spikelet and fruit x 6% diam.) • £si/^ts^*3 118 Chase—Notes on Genera of Panicece. IV. Herbarium, is the villous form represented in the National Herbarium byNovaes 1248, Campinas, Brazil. Echinolaena polystachya H. B. K. Nov. Gen. & Sp. 1 : 119. 1816. Crescit in ripa fluminis Magdalenae inter Tenerife et part of the type, labeled Echinolaena polystachya H. B. K. in ripafluminis Magdalena, ex herb. Hurab. & Bonpl., was examined inthe Berlin Herbarium. As indicated by Nees (Agrost. Bras. ) and Trinius (Mem. Acad. St. Petersb. VI. Sci. Nat, 3 : ) this is the same as Panicum uncinatum Raddi. Panicum uncinatum Raddi, Agrost. Bras. 41. 1823. In sylvaticisprope Catumby, non procul ah Urbe Rio de Janeiro. An authenticspecimen from Raddi (probably a duplicate type) was examined in theherbarium of the British Museum. Panicum heteranthum Link, Hort. Berol. 1 : 212. 1827. Hab. inBrasilia. An authentic
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