﻿Index to American botanical literature 681 



Edgerton, C. W. Effect of temperature on Glomerella. Phytopathol- 

 ogy 5: 247-259. /. 1-4. O 191 5. 

 Elmer, A. D. E. Notes and descriptions of Zingiberaceae. Leaflets 



Philip. Bot. 8: 2885-2919. 25 Au 1915. 



Twenty- two new species are described. 

 Evans, A. W. Notes on North American Hepaticae. — VI. Bryologist 



18: 81-91. pi. I +/. i~g. 20 O 1915. 



Includes J amesoniella heterostipa and Cololejeunea tuberculata, spp. nov. 

 Femald, M. L., & Wiegand, K. M. The genus Euphrasia in North 



America. Rhodora 17: 181-201. O 1915- 



Includes Euphrasia disjuncta, and E. hudsoniana. spp. nov. 

 Fletcher, W. F. The native persimmon. U. S. Dept. Agr. Farm. Bull. 



685: 1-28./. 1-17. 12 O 1915. 

 Francis, M. S. Double seeding petunias. Jour. Heredity 6: 456-461. 



/. 6-8. 27 S 1915. 

 Frost, H. B. The inheritance of doubleness in Matthiola and Petunia. 



—I. The hypotheses. Am. Nat. 49: 623-636./. i. 1915. 

 Gates, F. C. Relation of sunshine to the habitat of RoUboellia exaltata 



(Poaceae). Torreya 15: 209. 28 S 1915- 

 Gleason, H. A. Botanical sketches from the Asiatic tropics. III. — Java. 



Torreya 15: 187-202. /. 18-22. 28 S 1915- 

 Gloyer, W. O. Ascochyta dematidina, the cause of stem-rot and leaf- 

 spot of Clematis. N. Y. Agr. Exp. Sta. Tech. Bull. 44: 3-14- P^- 



1-5. Au 1915. 

 Greenman, J. M. Monograph of the North and Central American 



species of the genus Senecio—¥art II. Ann. Missouri Bot. Card. 2: 



573-626. pi. 17-20. S 1915. 

 Grout, A. J. Some common mosses. Nature-study Rev. 11: 204-208. 



Ap 1915;— II. The hair caps. Nature-study Rev. 11: 229-232. 



/. 1-4. My 1915;— III. Three hypnums. Nature-study Rev. 



11:336-340. 01915- [Illust.] 

 Harper, R. M. Vegetation types. Ann. Rep. Florida Geol. Survey 7: 



135-188./. 54-70. 1915- 

 Harris, J. A. An extension to 5.99° of tables to determine the osmotic 



pressure of expressed vegetable saps from the depression of the 



freezing point. Am. Jour. Bot. 2: 418, 419. O 1915- 

 Harris, J. A. The value of inter-annual correlations. Am. Nat. 49 : 



707-712. N 1915. 

 Hasse, H. E. Additions to the lichen flora of southern California- 

 No. 11. Bryologist 18: 92-94. 20 O 1915- 

 Hawkins, L. A. The utilization of certain pentoses and compounds of 



