THE IDENTIFICATION OF VARIETIES OF BARLEY. 29 



Spikelets all fertile (6-rowed barleys) — Continued. 



Lateral florets awned or hooded (sp. vulgar e) — Continued. 

 Kernels hulled — Continued. 



Lemmas hooded var. liorsfordianum. 



Represented by the agricultural variety Hors- 

 ford Beardless (Success Beardless). 

 Kernels naked. 



Lemmas awned. 



Kernels white, blue, or purple (var. coeleste). 



Kernels white . subvar. typica. 



Represented by Jerusalem barley and other 

 naked varieties, usually not named. 



Kernels blue subvar. himalayense. 



Represented by the agricultural variety Hima- 

 laya Hull-less (Guy Mayle). 



Kernels purple subvar. violaceum. 



Represented by the agricultural variety Black 

 Hull-less. 



Lemmas hooded var. trifurcaluni. 



Represented by the agricultural variety Nepal 

 (White Hull-less). 

 Lateral florets rounded or pointed, neither awned nor hooded (sp. inter- 

 medium). 

 Kernels hulled. 



Lemma of central floret awned or awnless (var. haxtoni). 



Lemma of central floret awnless subvar. tonswm. 



Represented by the agricultural varieties Ar- 

 lington Awnless, Famesh, and in the dense 

 form by Nakano Wase. 

 Central spikelets only fertile, lateral sterile or wanting (2-rowed barley). 

 Lateral florets present (sp. distichon). 

 Kernels hulled. 



Lemmas awned. 



Kernels white, blue, or purple (var. palmella). 

 Kernels white. 



Spike narrow, lax, nodding subvar. nutans. 



Represented by the agricultural varieties 

 Hanna, Hannchen, Moravian, Princess, Chev- 

 alier, etc. 



Spike wide, dense, erect subvar. erectum. 



Represented by the agricultural varieties Svan- 

 hals, Primus, Goldthorpe, etc. 



Kernels black var. iiif/rircns. 



Represented by the agricultural varieties Black 

 Smyrna and Black Arabian. 

 Kernels naked. 



Lemmas awned. 



Kernels white var. nudum. 



Represented by the agricultural variety Mc- 

 Ewans, etc. 



No attempt has been made in the above key to distinguish between 

 the agronomic varieties within a subvariety. It is hoped to make 



