35. 
1. Palea at least half as long as lemna, 2-nerved. 
(Also, ligule 2-6 mm. long; panicle branches spikelet- 
bearing to base.) 
4, Panicle open; long stolons absent. 
5. Culms erect, with strong creeping rhizomes...... A. alba 
5. Culms decumbent; rhizomes wanting. Expected 
(A. stolonifera). 
4, Panicle narrow; long stolons usually present....... A. palustris 
Agrostis perennans (Walt.) Tuckerm. Upland Bentgrass 
Java Farm. Infrequent, along Fox Creek drainage and in large 
field adjacent road to pier. Higman 324, 334. 
A. alba L. 
(A. stolonifera L.) Redtop 
Java Farm and Ivy Neck. Infrequent in grassy abandoned fields. 
Associate species at Java Farm: Agropyron repens, Allium vineale, 
Cirsium discolor, Asclepias syriaca. Associates at Ivy Neck: Eleocharis 
intermedia, Carex scoparia, Agropyron repens. Higman 858, 951. 
A. palustris Huds. 
(A. stolonifera L.) Creeping Bentgrass 
Java Farm. One station: bank of tidal portion of Muddy Creek, 
near mouth of tributary stream. Hectare 3437. Associate species: 
Brasenia schreberi, Carex lurida, Polygonum punctatum. Higman 989. 
Muhlenbergia 
Muhlenbergia schreberi Gmel. 
Java Farm. Infrequent, along Fox Creek drainage and vicinity. 
Associate species: Perilla frutescens, Duchesnea indica, Aster 
lateriflorus, Geum canadense. Higman 309, 318, 348. 
Aveneae 
1. Florets 2, one perfect, the other staminate. 
2. Lower floret staminate, with a long, bent, 
twisted awn; upper floret perfect.......eeeeeeeeees Arrhenatherum 
2. Lower floret perfect, awnless; upper floret 
staminate, with a short, hooked awn.......-.eecesoces HOlcCus 
