14 



CREEPING AND TUFTED GRASSES 



[CH. 



Creeping below ground and truly stolouiferous. 



Bromus erectus (slightly). 



Festitca ovina (var. riobra, Linn.). 



F. elatior (slightly). 



Briza (slightly). 



Glyceria. 



Poa maritima. 



Melica. 



Arundo. 



Agropyrum. 



Elynmi^. 



Psamma. 



Poa pratensis. 



P. compressa. 



Agrostis alba (var. stolonifera). 



Alopecu7'us pratensis. ■ 



Brachypodium (slightly). 



Tufted Grasses. 



Miluim. Festuca sylvatica. 



Agrostis alba (on downs, &c.). F. J/yurus, 



Aira aespitosa. Dactylis. 



A. flexuosa. Cynosurus. 



A. canescens. Poa rigida, 



A. proecox. P. annua. 



A. caryophyllea. P. trivialis. 



Avena pratensis (slightly creeping). P. nemoralis. 



Arrhenatherum. P. alpina. 



Nardus (Fig. 2). P. bulbosa. 



Hordeum sylvaticum. Molinia. 



Loliura. Triodia. 



Bromus. Kceleria. 

 Festuca ovina (except some varieties). 



Creeping above ground (with runners). 



Holcus lanatus. 

 Alopecurus geniculates. 

 Agrostis alba (var. stolonifera), 

 Hordeum pratense (slightly). 

 H. murinum (slightly). 

 Catabrosa (Fig. 4). 

 Cynodon (Fig. 5). 



Hackel has pointed out that a distinction must be drawn 

 between the true nodes of the culm, and the swellings 



