ch. vn] Botanical Description of Species 



-A 



CHAPTER VII 



BOTAXKAL DESCRIPTION OF SPECIES 

 (X.B. The Genera are arranged in alphabetical order) 



Agropyrum repent, Beauv. (Couch-grass.) (Fig. 27.) 

 A perennial, creeping very extensively by means of numerous, 

 long, stout, and sharply-pointed rhizomes which bear rudimentary 

 leaves and adventitious roots at the nodes. Leaf-sheaths split. 



Fig. 27. Spikate inflorescence of Agra- Fig. 28. Agropyrum cani- 

 pynim repens, about § nat. size. Left mm, about \ nat. size. 



hand, ordinary awnless type. Right 

 hand, var. aristatum. 



4—2 



