412 GRASSES OF IOWA. 



Garman, H. — 



Kentucky forage plants. The grasses. Bull. St. Coll. Ky. Ex. Sta. 87: 

 55.-110. U /. Ec. 



Gattinger, August — 



The Tennessee flora with special reference to the flora of Nashville, 

 phanerogams and vascular cryptogams. 109. Nashville. 1887. Fl. 



Gray, Asa— 



Manual of the Botany of the Northern United States, Including the 

 district east of the Mississippi and north of North Carolina and Tennessee. 

 Sixth edition, revised and extended westward to the 100th Meridian by 

 Sereno Watson and John M. Coulter. 760. 25 pi. N. Y. Cin. Chicago. 

 A. B. C. 1889. Syst. 



Griffin, H. H — 



Pasture grasses for the Arkansas valley. Bull. Col. Agr. Ex. Sta. 68: 

 6 Ec. 



Hackel, Edward— 



The true grasses. English translation by F. Lamson — Scribner and 



EffieA. Southworth. 228. 110 of. 1 pi. Henry Holt & Co. 1890. Syst. 



Harrington, H. H. — 



A study of the composition, of grasses. Bull. Tex Agr. Ex Sta. 20: 

 178 190. Ec. 



Harshberger, J. W.— 



Fertile crosses of Teosinte and Maize. Gar. and For. 9: 522. Ph.. 

 Maize: a botanical and economic study. Cont. Bot. Lab. Univ. Penn. 1: 

 75-202, pi. 14. Phys. and Ec. 



Hartley, Charles P. — 



Broom corn. Far. Bull. U. S. Dept. Agr. 174: 32. Wf. Ec. 

 Corn growing. Far. Bull. U. S. Dept. Agr. 199: 32. 19f. Ec. 



Harz, Dr C. D.— 



Landwirthschaftliche Samenkunde. Berlin, 1:562. 552-1362. /. 201. Ec. 



Hays, Willet M.— 



Forage and grain crops. Bull. Univ. Minn. Agr. Ex. Sta. 46: 331-361. 

 Ec. 



Indian corn: habits of root growth; methods of planting and cu ltivation; 

 notes on ears and suckers. Bull. Univ. Minn. Ex. Sta. Coll. Agr. 5: 

 33. 4pl. Phys. 



Meadows and pastures of Minnesota. Bull. Univ. Minn. Agr. Ex. Sta. 12: 

 119-124. Ec. 



Hays, Willet M. and Boss, Andrew— 



Wheat: varieties, breeding, cultivation. Bull. Univ. Minn. Agr. Ex. Sta 

 62: 391-494. /. 238-289. Ec. 



