346 INDEX TO AMERICAN BOTANICAL LITERATURE 
Faris, J. A. Violet root tip (Rhizoctonia crocorum DC.) in the 
United States. Phytopathology 11: 412-423. 16 F 1922. 
Farr, C. A. Quadripartition by furrowing in Sisyrinchium. Bull. 
Torrey Club 49: 51-61. pl. 2. Mr 1922. 
Farwell, O. A. Corrections in botanical nomenclature. Am. 
Midl. Nat. 8: 33-35. Ja 1922. 
Includes new combinations under Dilepyrum (1) and Gardenia (3). 
Faull, J. H. Some problems of forest pathology in Ontario. 
Needle blight of white pine. Jour. For.20:67-70. Ja1922. 
Fernald, M. L. The Gray Herbarium expedition to Nova 
Scotia. Rhodora 23: 89-111. pl. 130. 19 My 1921; 23: 
130-152. 26 Au 1921; 23: 153-171. 24 O 1921; 23: 184-— 
195. 15 D1921; 23: 223-245. 26 Ja 1922; 23: 257-278. 
$. 133. 27 F 1922; 23: 264-300. 22 Ap 1922." 
Includes new species in Lophiola (1) and Antennaria (1), 5 12 new varieties 
and 2 new forms. 
Fink, B. An addition to the distribution of a rare fungus. 
Mycologia 14: 49, 50. 6 Mr 1922. 
Tylostema verrucosum in Ohio. 
Fitzpatrick, H. M., Thomas, H. E., & Kirby, R.S. The Ophio- 
bolus causing take-all of wheat. Mycologia 14: 30-37. 
pl. 10 + f. r. 6 Mr 1922. 
Fromme, F. D. Incidence of loose smut in wheat varieties. 
Phytopathology 11: 507-510. 21 Mr 1922 
Gail, F. W. Factors controlling distribution of Douglas fir in 
semi-arid regions of the Northwest. Ecology 2: 281-291. ff. 
I-32. -20 Ja 1622. 
Gaudron, J. El peso de las raices del Manihot utilissima en 
relacion con la fasciacion de los tallos. Arch. Asoc. Peru 
1: 20-37. pl. 1, 2. 1921. 
Gericke, W. F. Certain relations between the protein content 
of wheat and the length of the growing period of the head- 
bearing stalks. Soil Sci. 13: 135-138. F 1922. 
Gerould, J. H. The dawn of the cell theory. Sci. Monthly 14: 
268-277. Mr 1922. 
