460 INDEX TO AMERICAN BOTANICAL LITERATURE 
Sherff, E. E. Competition and general relationships among the sub- 
terranean organs of marsh plants. Trans. Illinois Acad. Sci. 5: 
125-127. 1912. : 
Sinnott, E. W. A botanical criterion of the antiquity of the Angio- 
sperms. Jour. Geol. 24: 777-782. D 1916. 
Sinnott, E. W., & Bailey, I. W. The evolution of herbaceous plants 
and its bearing on certain problems of geology and climatology. 
Jour. Geol. 23: 289-306. Je 1915. 
Skinner, J. J., & Noll, C. F. Botanical composition of a permanent 
pasture as influenced | by fertilizers of different compositions. Soil 
Sci. 7: 161-178. pl. 1,2 +f. 1-4. F 1919. 
Smith, I. S. Native trees of Morgan County. Trans. Illinois Acad. 
Sci. 2: 15-18. 1909. 
Smith, L. H., & Andronescu, D. I. The artificial germination of 
maize pollen. Trans. Illinois Acad. Sci. 9: 95-101. ‘ 1916. 
Speare, A. T. The fungus parasite of the periodical cicada. Science 
II. 50:116,117. 1 Au1gi9 ; 
Spegazzini, C. Revisién de las Laboulbeniales Argentinas. An. Mus. 
Nac. Hist. Nat. Buenos Aires 29: 445-668. f. 1-213. 1917. 
Standley, P.C. A new locality for Senecio Crawfordii. Rhodora 21: 
177-120. 19 }l 1910. 
Stevens, F. L. & Dalby, N. Some phyllachoras from Porto Rico. 
Bot. Gaz. 68: 54-59. pl. 6-8. 18 Jl 19109. 
Ten new species are described. 
Stevens, N. E., & Morse, F. W. The effect of the endrot fungus on 
cranberries. Am. Jour. Bot. 6: 235-241. f. 1-3. Je 1919. 
Stone, R. E. A new stem-rot and wilt of tomatoes. pieces 
9: 2906-208. Juz, 2. 711619, 
Transeau, E. N. The occurrence of the rare alga, Gloeotaenium, in 
Illinois. Trans. Illinois Acad. Sci. 4: 143. 1911. 
Trelease, W. Botany and commerce. Trans. Illinois Acad. Sci- 
2: 84-89. 1909. : 
Trelease, W. Two leaf-fungi of Cyclamen. Trans. Illinois Acad- 
Sci. 9: 143-146. 
Ramularia cyclaminicola and Phyllosticta cyclaminicola, spp. nov. 
Zeller, S. M., Schmitz, H., & Duggar,B.M. Studiesin the physiology 
of the fungi—VII. Growth of wood-destroying fungi on liquid 
media. Ann. Missouri Bot. Gard. 6: 137-142. Ap 1919. 
