440 INDEX TO AMERICAN BOTANICAL LITERATURE 
Schorger, A. W. Chemistry as an aid in the identification of species. 
Proc. Soc. Am. Foresters 11: 33-39. Ja 1916. 
Scott, D. H. Count Solms-Laubach. Bot. Gaz. 61: 433, 434. 15 My 
1916. [Portrait.] 
Shive, J. W. A study of physiological balance in nutrient media. 
Physiol. Researches 1: 327-397. f. 1-15. N 1915. 
Smith, C.O. Cottony rot . lemons in California. Phytopathology 6: 
268-278. f. I-5. Je 19 
Smith, J. D. Ucdeswibed seh from Guatemala and other Central 
American republics—XXXIX. Bot. Gaz. 61: 373-387. 15 My 
1916, 
Twenty new species are described. 
Spegazzini, C. Segunda contribucién al conocimiento de las Laboul- 
beniales Italianas. An. Mus. Nac. Hist. Nat. Buenos Aires 27: 
$7774: J. 1-98. 1915. : 
Includes the new genera Parahydraeomyces and Thripomyces and 31 new species 
in various genera. . 
Standish, L.M. Whatis happening to the hawthorns? Jour. Heredity 
7: 266-279. f. 7-17. 25 My 1916. 
Standley, P. C. Fungi of New Mexico. Mycologia 8: 142-177. 23 
My 1916. 
Includes Aecidium Cockerellii Arthur. 
Stevens, F. L., & Peterson, A. Some new strawberry fungi. Phyto- 
pathology 6: 258-266. f. 1-26. Je 1916. : 
Includes descriptions of Sphaeronaemella Fragariae and Patellina Fragariae, 
spp. nov. 
Sumstine, D. R. A new species of Colus from Pennsylvania. My- 
cologia 8: 183, 184. 23 My-1916. 
Anes Schellenbergiae sp. nov. 
e, D. B. Fruit diseases in Montana. Montana Agr. Exp. Sta 
Ga 37: 263-329. f. I-2z. F 1914. 
Taubenhaus, J. J. A wilt disease of the columbine. Phytopathology — 
6: 254-257. f. 1, 2. Je 1916. 
Tottingham, W. E. A quantitative chemical and physiological study 
of nutrient solutions for plant cultures. Physiol. Researches ! 
133-245. f. I-15. My 1914. 
Trelease, W. Two new terms, cormophytaster and xeniophyte, axio- 
matically fundamental in botany. Proc. Am. Philos. Soc. 55° 
237-242. My 1916. 
Turrill, W. B. Pentstemon rupicola. Curt. Bot. Mag. IV. 12+ pl. 
8660. My 1916. 
A North American plant. 
