Index to American Mycological Literature 291 
Metcalf, H. Spread of the chestnut blight in Pennsylvania. 
Phytopathology 6: 302. Je 1916. 
Murrill, W. A. Illustrations of fungi — XXIII. Mycologia 8: 
121-124. pi. i8j. 23 My 1916. 
Russula delica, R. flava, R. virescens, R. obscura and R. compacta are 
illustrated. 
Murrill, W. A. A very dangerous mushroom. Mycologia 8 ; 
186, 187. 23 My 1916. 
Panaeolus venenosits sp. nov. 
Pierce, R. G. Pinus resinosa, a new host for Peridermium aci- 
colum. Phytopathology 6: 302, 303. Je 1916. 
Robbins, W. J. Influences of certain salts and nutrient solu- 
tions on the secretion of diastase by Penicillium Camembertn. 
Am. Jour. Bot. 3: 234-260. /. /-j. 26 My 1916. 
Rock, J. F. Palmyra Island with a description of its flora. 
College of Hawaii Pub. Bull. 4: 1-53. pi. 1-20. 19 Ap 1916. 
Published with the cooperation of O. Beccari, A. Zahlbruckner, U. Martelli, 
H. L. Lyon, and M. A. Howe. 
Rosenbaum, J. Phytophthora disease of ginseng. Cornell Agr. 
Exp. Sta. Bull. 363; 65-106. /. 2-18. O 1915. 
Smith, C. 0. Cottony rot of lemons in California. Phyto- 
pathology 6: 268-278. /. T-5. Je 1916. 
Smith, E. F. Crown gall studies showing changes in plant struc- 
ture due to a changed stimulus. Jour. Agr. Research 6: 179- 
182. pi. 18-2 J. 24 Ap 1916. 
Preliminary note. 
Spaulding, P. Foresters have a vital interest in the white pine 
blister rust. Proc. Soc. Am. Foresters ii : 40-47. Ja 1916. 
Spegazzini, C. Segunda contribucion al conocimiento de las 
Laboulbeniales italianas. An. Mus. Nac. Hist. Nat. Buenos 
Aires 27: 37“74- /• 1-3S. I9IS- 
Includes the new genera Parahydraeomyces and Thripomyces and 31 new 
species in various genera. 
Standley, P. C. Fungi of New Mexico. Mycologia 8; 142-177. 
23 My 1916. 
Includes Aecidium Cockerellii Arthur sp. nov. 
Stevens, F. L. & Peterson, A. Some new strawberry fungi. 
Phytopathology 6: 258-266. /. 1-26. Je 1916. 
Includes descriptions of Sphaerondemella Fragariae and PatelHna Fra- 
gariae, spp. nov. 
