48 INDEX TO AMERICAN BOTANICAL LITERATURE 
Martin, W. H. Sclerotium bataticola. The cause of a fruit-rot of 
peppers. Phytopathology 7: 308-312. f. r-12. 7S 1917. 
McIndoo, N. E., & Sievers A. F. Quassia extract as a contact insec- 
ticide. Jour. Agr. Research 10: 497-532 3S 1917. 
Contains some botanical information. 
{Moore, G. T.] Native wild mushrooms for food. Missouri Bot. 
Gard. Bull. 5: 119-129. pl. 17-23. Au 1917. 
Muenscher, W. C. A key to the Phaeophyceae of Puget Sound. 
Puget Sound Mar. Sta. Publ. 1: 249-284. pl. 47-67. 6 Je 1917. 
Murrill, W. A. A giant puffball. Jour. N. Y. Bot. Gard. 18: 193. pl. 
£05.20 3 1917. 
Nash, G. V._ Hardy woody plants in the New York Botanical Garden. 
Jour. N. Y. Bot. Gard. 18: 167-170. Jl 1917; 189-192. 20S 1917; * 
203-207. 23 O 1917; 217-224. O 1917. 
Piemeisel, F. J. Factors affecting the parasitism of Ustilago Zeae. 
Phytopathology 7: 294-307. 7S 1917. 
Popenoe, W. The pollination of mango. U.S. Dept. Agr. Bull. 542: 
1-20. pl. r-4 +f.7. 11 Au 1917. 
Povah, H. W. Helicostylum and Cunninghamella: two genera of 
Mucorales new to the state. Rep. Michigan Acad. Sci. 17: 152-155. 
pl. 76, 17. - 1916. 
Praeger, W. E. Growing alien cacti in Michigan. Rep. Michigan 
Acad. Sci. 17: 156-158. 1916. 
Prince, F. S. The soy bean in New Hampshire. New Hampshire 
Exp. Sta. Dept. Agron. Bull. 181: 1-20. Mr 1917. [Illust.] 
Rands, R. D. The production of spores of Alternaria Solani in pure 
cultures. Phytopathology 7: 316, 317.f.1. 7S 1917. 
Rigg, G. B. Seasonal development of bladder kelp. Puget Sound 
Mar. Sta. Publ. 1: 309-318. 10 Au 1917. 
Roberts, J. W. Control of peach bacterial spot in southern orchards. 
U.S. Dept. Agr. Bull. 543: 1-7. 8 Au 1917. 
Disease caused by Bacterium pruni Smith. 
Rumbold, C. Notes on effect of dyes on Endothia parasitica. Bot. 
Gaz. 64: 250-252. 15S 1917. 
Rydberg, P. A. Phytogeographical notes on the Rocky Mountain 
region—VII. Formations in the Subalpine Zone. Bull. Torrey 
Club 44: 431-454. 15 S 1917. 
Sackett, W. G. A bacterial stem blight of field and garden peas. 
Colorado Agr. Exp. Sta. Bull. 218: 3-43. pl. 1-2 + colored plate + 
Jo i-3. Ap i916. ; 
Sawyer, W. H., Jr. Development of some species of Pholiota. Bot. 
_ Gaz. 64: 206-229. pl. 16-20. 15S 1917. 
