PLATE III 



Fig. I. — Kubanka wheat (pots i to 6), gro\vn May g to September 3, 1912. Photo- 

 graphed on July 19, 1912. Water requirement, 394±7. 



Fig. 2. — White HuIl-Iess barley (pots 103 to 108), grown May 16 to August 12, 1912. 

 Photographed on July 19, 1912. Water requirement, 43g±i. 



Fig. 3. — Kubanka wheat (pots 12 to 18). Set grown outside of shelter, May 9 to 

 August 31, 1912. Photographed on July 26, 1912. Water requirement 507^=13. 



Fig. 4. — Emmer (pots 61 to 66), grown May 11 to August 12, 1912. Photographed on 

 July 19, 1912. Water requirement, 428±3. 



Fig. 5. — Swedish Select oats (pots 85 to 90), grown May 17 to .\ugust 23, 1912. Pho. 

 tographed on July 26, 1912. Water requirement, 423±5. 



Fig. 6.— Kharkov wheat (pots 37 to 42), grown April 27 to August 28, 1912. Photo- 

 graphed on July 29, 1912. Water requirement, 365±6. 



