INDEX TO AMERICAN BOTANICAL LITERATURE 543 
Miller, E. C. Relative water requirement of corn and the sorghums 
Jour. Agr. Research 6: 473-484. pl. 70-72 +f. 1. 26 Je 1916. 
Murphy, P. A. The black leg disease of potatoes caused by Bacillus 
Solanisaprus Harrison. Canada Dept. Agr. Exp. Farms Circ, 1%: 
1-8. f. A-D.* 1916. 
Murphy, P. A. Late blight and rot of potatoes. Canada Dept. Agr. 
Exp. Frams Circ. 10: 1-13. f. A, B. 1916. 
“Caused by the fungus Phytophthora infestans, de Bary.” 
Nash, G.V. Clerodendron trichotomum. Japanese Clerodendron. Addi- 
sonia 1: 29. pl. 15. 30 Je 1916. 
Nash, G. V. Mina lobata. Lobate Mina. Addisonia 1: 27. pl. 14. 
30 Je 1916. 
Nash, G. V. Notylia sagittifera. Arrow-head Notylia. Addisonia 1: 
31, 32. pl. 16. 30 Je 1916. 
Nash, G. V. Vitex Agnus-castus. Chaste tree. Addisonia I: 35, 36. 
pl. 18. _ 30 Je E916. 
Nelson, A., & Macbride, J. F. Western plant studies—IV. Bot. Gaz. 
62: 143-152. 15 Au 1916. 
Includes new species in Crytantha (1), Oreocarya (2), Amsinckia (1), Mertensia (1), 
Pentstemon (2), Machaeranthera (2), and Macronema (6). eae 
Norton, J.B. S. Internal action of chemicals on resistance of tomatoes 
to leaf diseases. Maryland Agr. Exp. Sta. Bull. 192. 17-30. 7 i 
Ja 1916. 
Ochoterena, I. Comentarios a la “Teoria de la Mutacié6n.”’ Bol. Dir. 
Est. Biol. 1: 296-301. Ja 1916. 
Peltier, G. L. Parasitic Rhizoctonias in America. Illinois Agr. Exp. 
Sta. Bull. 189: 283-390. f. 1-23. Je 1916. 
Peltier, G. L. A serious disease of cultivated perennials caused by 
Sclerotium Rolfsii. Wlinois Agr. Exp. Sta. Cire. 187: 1-3. J 3s 
Jl 1916. 
Pennell, F. W. Commelina communis. Asiatic day-flower. Addi- 
sonia 1: 39, 40. pl. 20. 30 Je 1916. 
Pennell, F. W. Notes on plants of the southern United States—IlI. 
Bull. Torrey Club 43: 407-421. 22 Au 1916. 
Includes Smilax leptanthera sp. nov. : 
Price, D. J., & McCormick, E. B. Dust explosions and fires in grain 
separators in the Pacific northwest. U. S. Dept. Agr. Bull. 379: 
I-22. pl. r-11. 4 Au 1916. 
