300 INDEX TO AMERICAN BOTANICAL LITERATURE 
Meade, R. M. Supernumerary carpels in cotton bolls. U.S. Dept. 
Agr. Plant Ind. Circ. 111: 25-28. f. 1, 2. 1 F 1913. 
Merrill, E. D. A flora of Manila. Bur. Sci. Manila Pub. 5: 1-490. 
31 D 1912. 
Merrill, E. D. Studies on Philippine Rubiaceae, I. Philipp. Jour. Sci. 
7: (Bot.) 31-62. pl. rz. F 1913. 
Thirty-five new species are described. 
Meyer, R. Echinopsis calochlora K. Sch. Monats. Kakteenk. 23: 
33, 34. 415 Mr 1913. 
Montgomery, E. G. Experiments in wheat breeding: experimental 
error in the nursery and variation in nitrogen and yield. U. S. 
Dept. Agr. Plant Ind. Bull. 269: 5-61. pl. i-4+f. 1-22. 24 Ap 1913. 
Nash, G.V. Thecedar of Lebanon. Jour. N. Y. Bot. Gard. 14: 86-89. 
pl. 175. Ap 1913. 
Newcombe, F.C. The scope and method of state natural history 
surveys. Science II. 37: 615-622. 25 Ap 1913. 
Nichols, G. E. A simple revolving table for standardizing porous cup 
atmometers. Bot. Gaz. 55: 249-251. f. 74. 15 Mr 1913. 
Northup, Z. The influence of certain acid-destroying cee sa lactic 
bacteria. Mich. Agr. Exp. Sta. Bull. 15: 3-35. Je 
Oakley, R. A., & Garver, S. Two types of ie SE in alfalfa. 
U.S. Dept. Agr. Plant Ind. Circ. 115: 3-13. f. 1-8. 1 Mr 1913. 
Orton, W. A. Powdery dry-rot of the potato. U. S, Dept. Agr. 
Plant Ind. Cire. 110: 13-15. 18 Ja 1913. 
Otis, C. H. Michigan trees. A handbook of the native and most 
important introduced species. Michigan Univ. Bull. 14: i-xxxii + 
1-246. Mr 1913. [Illust.] 
Includes a short introduction by G. P. Burns. 
Parish, S.B. The California Paroselas. 
15 Ap 1913 
Includes Parosela neglecta sp. nov. 
Bot. Gaz. 55: 300-313. f. 1-5: 
Peirce, G. J. Studies of irritability in plants.—III. 
Volume (Stanford Univ. Publ.) 62-80. f. 14, 
Pierce, N. B. A new walnut. 
Juglans quercifolia sp. nov. 
Pool, V. W., & McKay, M. B. The control of the sugar-beet leaf-spot. 
U. S. Dept. Agr. Plant Ind. Cire. 121: 13-17. 12 Ap 1913. 
Quehl, L. Mamillaria echinoidea Quehl spec. nov. Monats. Kakteenk. 
23: 42, 43. 15 Mr 1913. {Illust.] 
Rangel, E. Grave molestia do coqueiro (Cocos sta i Ld 
Lavoura 16: 199-201. 1913. {Ilust.] 
Dudley Memorial 
1913. 
Science II. 37: 613, 614. 18 Ap 1913- 
