356 



Bulletin No. 205 



[March, 



166 



168 



171 



Figs. 165-171. — 165, A. alba, inflorescence; 166, A. alba, spikelet; 167, A. 

 hyemalis, inflorescence, immature; 168, A, hyemalis, spikelet; 169, A. elliottiana, 

 spikelet; 170, A. perennans ; 171, A. perennans, spikelet 



Fiorin. 



Agrostis alba L. 



White Bent. Redtop (Fig. 165) 



Lapham '57, 545, 565; Patterson '76, 49; Flagg '78, 280; Brendel '87, 63; 

 Huett '97, 130; Gates '12, 355; Sherff '12, 420; Sherff '13, 594. 



Culms 1 to 4 feet tall from creeping rootstocks; sheaths smooth, 

 blades 2 to 8 inches long, 2 to 6 mm. wide, slightly rough ; ligule mem- 

 branous, usually 4 to 5 mm. long ; panicle spreading, contracted, after 

 flowering; spikelets 2 to 2.5 mm. long, palea present, usually half as 

 long as the lemma. 



