a2 INDEX TO AMERICAN BOTANICAL LITERATURE 
Burt, E. A. The Thelephoraceae of North America—IX. Aleurodis- 
cus. Ann. Missouri Bot. Gard. 5: 177-203. f. I-14. 205 1918. 
Seven new species in Alewrodiscus are described. . 
Connors, C. H. Heredity studies with the carnation. Proc. Soc. 
Hort. Sci. 1914: 95-100. Mr I9I5. 
Coons, G. N. Seed tuber treatments for potatoes. Phytopathology. 
8: 457-468. f. 1-6. 12S 1918. 
Cook, M. T. Modern applications to botany. Brooklyn Bot. Gard. 
Mem. 1: 123-127. 6 Jl 1918. 
Dixon, H. N. The mosses collected by the Smithsonian African Ex- 
pedition 1909-10. Smithsonian Misc. Col. 697: 1-28. pl. 1, 2. 
8 O 1918. 
Twelve new species in various genera are described. 
Dudley, P. H. Fungi the cause of decomposition of timber. Wood- 
Preserving 5: 26-35. f. r-10. S 1918. 
East, E. M. Intercrosses between self-sterile plants. Brooklyn Bot. 
Gard. Mem. 1: 141-153. 6 Jl 1918. 
Elliot, C. Bacterial oat blight. Phytopathology 8: 489, 490. 12S 
1918. 
Evans, A. W. Hepaticae of St. Croix, St. Jan, St. Thomas and Tor- 
tola. In Britton, N. L. The Flora of the American Virgin Is- 
lands. Brooklyn Bot. Gard. Mem. 1: 104-109. 6 Ji 1918. 
Fairman, C.E. New or noteworthy Ascomycetes and lower fungi from 
New Mexico. Mycologia 10: 239-264. S 1918. 
New species are described in Diatrype (1), Didymella (2), A piosporella (1), Lep- 
tosphaeria (2), Gibberidia (1), Pyrenophora (1), Hendersonia (5), Microdiplodia (3), 
Phyllachora (1), Hysterium (1), Patellea (1), Phoma (2), Dothiorella (1), Placosphae- 
ria (1), Contothyrium (1), Ascochyta (1), Ascochytula (1), Stagonospora (1), Cryptostictis 
(1), Camarosporium (2), Arthrobotryum (1), and Rhabdospora (1). 
Fink, B. A new genus and species of the Collemaceae. Mycologia 
10: 235-238. pl. 73. 25 § 1918. 
Collemodes Bachmanianum. 
Goodspeed, T. H., & Clausen, R. E. An apparatus for flower meas- 
: urement. Univ. Calif. Publ. Bot. 5: 435-437. pl. 54+f. 1. 25S 
1918. SOHN 
Graves, E. W. My experiences with a fern garden. Am. Fern. Jour. 
8: 71-76. S 1918. 
Greenman, J. M., & Pfeiffer, N. E. A new Selaginella from Mexico. 
Ann. Missouri Bot. Gard. §: 205-210. pl. rz, 12. 20S 1918. 
Selaginelia Landii sp. nov. 
