256 



Mycologia 



Schneider, A. Further note on a parasitic Saccharomycete of the 

 tomato. Phytopathology 7:52, 53. 7 F 19 17. 



Describes Nematospora Lycopersici sp. nov. 



Seaver, F. J. Photographs and descriptions of cup-fungi — V. 

 Discina venosa, Mycologia 9 : 53, 54. pi. 5. Mr 191 7. 



Smith, C. 0. Sour rot of lemon in California. Phytopathology 

 7:37-4L 1, 2. 7^1917- 



Smith, E. F. Mechanism of tumor growth in crown gall. Jour. 

 Agr. Research 8: 165-188. pi. 4-65. 29 Ja 1917. 



Spaulding, P. Notes on Cronartium comptoniae — III. Phyto- 

 pathology 7:49-5!- 7 F I9I7- 



Spaulding, P., Detwiler, S. B., Pettis, C. R., Metcalf, H. The 

 white pine blister disease. Am. Forest. 23 : 67-74. F 1917. 

 [Illust.] 



Speare, A. T. Sorosporella uvella and its occurrence in cutworms 

 in America. Jour. Agr. Research 8:189-194. pi. 66-\-f. I, 

 5 F 1917. 



Preliminary paper. 



Stevens, N. E. The influence of temperature on the growth ot 

 Endothia parasitica. Am. Jour. Bot. 4: 112-118. /. 1. 17 F 

 1917. 



Stone, G. E. Shade trees, characteristics, adaptation, diseases, 

 and care. Massachusetts Agr. Exp. Sta. Bull. 170:124-264. 

 /. i-iop. S 191 6. 



Tharp, B. C. Texas parasitic fungi. Mycologia 9:105-124. 

 22 Mr 1917. 



Includes new species in Ascochyta (1), Cercospora (26), Collecto trie hum 

 (1), Coniothyrium (2), Exosporium (3), Napicladium (1), Phleospora (1), 

 Phyllachora (i), Phyllosticta (3), Ramularia (2), Septoria (7). 



Wolf, F. A. A squash disease caused by Choanephora cucurbi- 

 tarum. Tour. Agr. Research 8 : 319-328. pi. 85-87. 26 F 1917. 



