108 



Stjbtribe 2.— LEPTURE^. 



Spikelets one to two flowered, solitary at the nodes ; spikes slender. 

 Genus : 1. Lepturus. 



. Subtribe 3.— ELTME^. 



Spikelets two to many at each joint of the rhachis. Spike generally 

 stout. 

 Genera: 1. Hordeum ; 2. Elymus; 3. Asprella. 



Tribe 7.— BAMBUSE^E. 



Tall grasses, often woody, at least at the base. Leaves flat, gen- 

 erally articulated with the sheath,- spikelets one to many flowered ; 

 stamens 3, i, or many. 



Genus : 1. Arundinaria. 



ERRATA. 



Page 82, line 16, for tennifolia read tennifolia. 

 " 83, number 33, for P. Pringlii read P. Pringlei. 

 " 85, 2d line from bottom, for P. memoralis read P. nemoralis. 



