INDEX TO AMERICAN BOTANICAL LITERATURE 575 
Pilger, R. Plantae Uleanae novae vel minus cognitae. Notizbl. 
K6nigl. Bot. Gart. Berlin 6: 181-212. 15 My 191 
Includes papers by Vaupel, Dammer, Lindau, Krause, and Pilger, here indexed 
separately. 
Robinson, C. B. The geographic distribution of Philippine mosses. 
Philip. Jour. Sci. 9 (Bot): 199-218. Je 1914. 
Rothman, J. J. Stokes prize essays. I. Conservation of city trees. 
Jour. N. Y. Bot. Gard. 15: 122-124. 26 Je 1914. 
ydberg, P.A. Notes on Rosaceae—VII. Bull. Torrey Club 41: 
319-332. 22 Jl 1914;—VIII. Bull. Torrey Club41: 483-503. 28 
O 1914 
Saccardo, P. A. Notae mycologicae, Series XVIII. Ann. Myc. 12: 
282-314. 30 Je 1914. 
Includes Didymosphaeria Linderae, Pleospora Dearnessii, Phleospora Taveene>: 
Siana, Phyllosticta Collinsoniae, Sphaeropsis Coluteae, Cryptosporium fus ide. 
Ramularia ontariensis, spp. nov., from Canada, and Asterina Verae-crusis ogni 
Englerula mexicana Theissen, and Phoma moreliana Sacc., spp. nov., from Mexico. 
Safford, W.E. Annona sericea and its allies. Contr. U. S. Nat. Herb. 
16: 263-275. pl. 85-994. 42-44. 13 D 1913. 
Includes 7 new species. 
Schaffner, J. H. Catalog of Ohio vascular plants. Ohio State Univ. 
Bull. 18: 125-247. Mr 1914. 
Schramm, J. R. A contribution to our knowledge of the relation of 
certain species of grass-green algae to elementary nitrogen. Ann, 
Missouri Bot. Gard. 1: 157-184. pl. 3+f. 1. My 1914. 
Schrenk, H. von. Two trunk diseases of the mesquite. Ann. Missouri 
Bot. Gard. 1: 243-252. pl. 6,7. My 1914. 
Schrenk, H. von. A trunk disease of the lilac. Ann. Missouri Bot. 
Gard. 1: 253~262. pl. 8, 9. My 1914. 
Shaw, H. B. Thrips as pollinators of beet flowers. Bull. U. S. Dept. 
Agr. 104: 1-12. pl. 1-34+f. 1-5. 10 Jl 1914. 
Shull, G. H. A peculiar negative correlation in Oenothera hybrids. 
Jour. Genetics 4: 83-102. pl. 5, O6+f. 1. Je 1914. 
Shull, G. H. Sex-limited inheritance in Lychnis dioica L. Zeits. 
Induk. Abstammungs- und Vererbungslehre 12: 265-302. pl. I, 2 
+f. 1-5. Jl 1914. 
Small, J. K. Flora of the Florida Keys. i-xiit1-162. New York: 
1913. 
Stomps, T. J. Parallel mutations in Oenothera biennis L. Am. Nat. 
48: 494-497. Au 1914. 
