182 INDEX TO AMERICAN BOTANICAL LITERATURE 
Brannon, M. A. Factors influencing the flora of Devils Lake, North 
Dakota. Internat. Rev. 4: 291-299. I9QII. 
Britton, E. G. Ditrichum rhynchostegium Kindb. Bryologist 16: 8. 
Ja 1913. 
Campbell, D.H. Some impressions of the flora of Guiana and Trinidad. 
Pop. Sci. Mo. 82: 19-32. f. 1-3. Ja 1913. 
Chambers, C. O. The relation of algae to dissolved oxygen and 
carbon-dioxide, with special reference to carbohydrates. Ann. 
Rep. Missouri Bot. Gard. 23: 171-207. 1912. 
Chodat, R. A grain of wheat. Pop. Sci. Mo. 82: 33-45. Ja 1913. 
Clute, W. N. Polypodium or Xiphiopteris? Fern Bull. 20: 65-67. 
[Ja 1913.] [IIllust.] 
Clute, W. N. Priority and fern names. Fern Bull. 20: 68-73. [Ja 
1913.] 
[Clute, W. N.] Pteridographia. Fern Bull. 20: 74-80. [Ja 1913.] 
Includes notes on: Ferns in bottles; New stations for Florida ferns; Additional 
fern pests; Number of articles on ferns; A new Equisetum; New southwestern ferns; 
Death of James Goldie; Two new fern sports; Crested Christmas fern; Bermuda 
Clute, W. N. Rare forms of fernworts—XXIII. Who can name 
this fern? Fern Bull. 20: 73, 74. [Ja 1913.] [Illust.] 
Collins, G. N. Heredity of a maize variation. U. S. Dept. Agr. 
Plant Ind. Bull. 272: 5-23. pl. 1 +f.12. 21 Ja 1913. 
Conard, H. S. Revegetation of a denuded area. Bot. Gaz. 55: 
80-84. f. 1, 2, 15 Ja 1913. 
Cook, O. F. Heredity and cotton breeding. U.S. Dept. Agr. Plant 
Ind. Bull. 256: 5-113. pl. 7-6 +f. 1-19. 13 Ja 1913. 
Cook, O. F. Morphology of cotton branches. U.S. Dept. Agr. Plant 
Ind. Circ. 109: 11-16. 4 Ja 1913. 
Cooper, W. S. The climax forest of Isle Royale, Lake Superior, and 
its development. I. Bot. Gaz. 55: 1-44. f. 1-14 + map. 15 Ja 
1913. 
Cooper, W. S. A list of mosses collected upon Isle Royale, Lake 
Superior. Bryologist 16: 3-8. Ja 1913. 
Dachnowski, A. Peat deposits of Ohio: their origin, formation, and 
uses. Ohio Geol. Surv. Bull. IV. 16: 1-424. pl. 1-8 +f. I-20. 
Ap 1912. 
Darbishire, O. V. The lichens of the Swedish Antarctic Expedition. 
Wiss. Ergeb. Schwed. Siidpolar-Exp. 4%: 1-73. pl. 1-3 +f. 1: 
Stockholm. 1912. 
Davis, B. M. Mutations in Oenothera biennis L.? Am. Nat. 47: 
116-121. F 1913. 
