554 INDEX TO AMERICAN BOTANICAL LITERATURE 
Ferriss, J. H. The finding of Asplenium alternans. Fern Bull. 19: 
2, gO-38. © (O] 1611. 
Fink, B. The nature and classification of lichens—I. Views and 
arguments of botanists concerning classification. Mycologia 3: 
231-269. S Igrt. 
Fletcher, E.F. Dracocephalum thymiflorum a casual plant at Westford, 
Massachusetts. Rhodora 13: 212. 9 O rort. 
Foxworthy, F. W. Bedaru and Billian: two important Borneo timber 
trees. Philip. Jour. Sci. 6: (Bot.) 179, 180. Jl 1911. 
Urandra corniculata and Eusideroxylon Zwageri. 
Foxworthy, F. W. Philippine Dipterocarpaceae. Philip. Jour. Sci. 6: 
(Bot.) 231-287. pl. 34-44. S 1911. 
Four new species described. 
Freeman, E. M., & Johnson, E.C. The rusts of grains in the United 
States. U.S. Dept. Agr. Plant Ind. Bull. 216: 1-87. pl. r+f. 1, 2. 
15 Au 1911. 
Fries, R. E. Entwurf einer Monographie der Gattungen Wissadula 
und Pseudabutilon. Kgl. Sv. Vet.-Ak. Handl. 43°: 1-114. pl. 1-10. 
The new species of Wissadula are also published in Repert. Sp. Nov. 9: 486-492. 
15 Au I91T; 9: 504-513. 5S IQli. 
Fries, R. E. Studien iiber die amerikanische Columniferenflora, 
Kgl. Sv. Vet.-Ak. Handl. 42": I-67. pl. I-7. 1908. 
Includes 21 new species. 
Gates, F.C. A bog in central Illinois. Torreya 11: 205-211. f. I-3. 
18 O tort, 
Gates,R.R. Mutation in Oenothera. Am. Nat. 45: 577-606. O I91l. 
Gilbert, E. M. Studies on the T remellineae of Wisconsin. Trans. 
Wisconsin Acad. 16: 1137-1170. pl. 82-84. O 1910, 
Greenwood, H.E. Some stages in the development of Pellia epiphylla. 
Bryologist 14: 59-70. pl. 7-9. Jl 1911; 14: 77-83. pl. ro-12. S 1911. 
Grout, A. J. Notes on Vermont bryophytes—VI. Bryologist 14: 
52-54. 19 My rogi11. 
Guillaumin, A. L’étude des germinations appliquée a la classification 
des genres et A la phylogénie des groupes, 
468. pl. 12, 13. 15 D 1910. 
Hall, H. M. Additional southern Californi 
bergia 7: 83-84. 30 § 1911. 
Rev. Gén. Bot. 22: 449- 
an Compositae. Muhlen- 
