132 THE SMALL GRAINS 



quently found in mixtures with other varieties. There 

 are a considerable number of winter varieties of black 

 barley native in southern Russia and western Asia. The 

 principal varieties of common barley and their places in 

 classification are as follows (Figs. 41 and 42) : 



A. KERNELS HULLED 



(HORDEUM VULGARE PALLIDUM, SER.) 



1. Spikes pale yellow, awns straight. 



Spring Altai, Barbarossa, Beldi, Bessarabian, Giant 

 Four-row, Lapland, Yarensk, Lulea, Manchuria, Nugent, 

 Oderbrucker, Odessa, Yerli, O. A. C. No. 21, Pearl, 

 Svartlo, Turkestan, Telli, Umea. 



Winter Baku Winter, Caucasian Winter, Kursk Winter, 

 Tennessee Winter. 



(HORDEUM VULGARE CCERULESCENS, SER.) 



2. Spikes blue gray. 



Spring ^Egina, Basse, Bigha, Coast, Florence, Leonforte. 

 Winter Russian Gray Winter. 



(HORDEUM VULGARE NIGRUM, WlLLD.) 



3. Spikes black, awns rough. 



Spring Don Black, Erivan, Gatamai, Persian Black, 



Taganrog. 

 Winter Common Black Winter, Tiflis Black, Daghestan 



Black. 



(HORDEUM VULGARE LEIORRYNCHUM, KCKE.) 



4. Spikes black, awns smooth. 



Spring Julia, Nekludov. 



(HORDEUM VULGARE RIKOTENSE, R. REGEL) 



5. Spikes white, awns smooth. 



Spring Stassevich, Kyarkhana. 



