60 INDEX TO AMERICAN BOTANICAL LITERATURE 
Britton, N. L. A white pine planting. Jour. N. Y. Bot. Gard. 17: 
152-154. 140 1916. 
Brooks, S.C. New determinations of permeability. Proc. Nat. Acad. 
Sci. 2: 569-574. f. 1-6. 150 1916 
Burt, E.A. The Thelephoraceae of North America—VI. Hypochnus. 
Ann. Missouri Bot. Gard. 3: 203-241. f. 1-30. Ap 1916;—VII. 
Septobasidium. Ann. Missouri Bot. Gard. 3: 319-343. f. I-14. S 
1916. 
Includes twenty-one new species and several new combinations. 
Christensen, C. Maxonia, a new genus of tropical American ferns. 
Smithsonian Misc. Col. 66: 1-4. 30S 1916. 
Clements, F.C. Plant succession. An analysis of the development of 
vegetation. Carnegie Inst. Publ. 242: i-xiii + 1-512. pl. 1-61 + 
f. 1-51. 28 Au 1916. 
Clinton, G. P. Report of the botanist for 1915. Notes on plant 
diseases of Connecticut. Rep. Connecticut Agr. Exp. Sta. 1915: 
421-513. pl. 17-28. Au 1916. 
Clokey, I. W. A new hybrid Carex from the middle western states. 
Torreya 16: 199-201. 14 S 1916, 
Coley, W. S. An early flowering of Rudbeckia hirta. Rhodora 18: 
212. .20 1ror6. 
Culpepper, C. W., Foster, A. C., & Caldwell, J.S. Some effects of the 
blackrot fungus, Sphaeropsis malorum, upon the chemical composi- 
tion of the apple. Jour. Agr. Research 7: 17-40. 20 1916. 
Detwiler, S. B. The bald cypress (Taxodium distichum). Identifica- 
tion and characters. Am. Forestry 22: 577-581. O 1916. [Illust.] 
Doering, A., & Lorentz, P. G. Recuerdos de la expedicién al Rid 
Negro (1879). Bol. Acad. Nac. Cien. Cérdoba 21: 301-386. 1916. 
Dunn, G. A. A study of the development of Dumontia jiliformis—I. 
The development of the tetraspores. Plant World 19: 271-281. 
t. 42; 2. Salts. 
Dunnicliff, A.A. Fecundity and stamina. Jour. Heredity 7: 443-446. 
O 1916. : 
Emig, W.H. The occurrence in nature of certain yeast-like fungi with 
reference to their possible pathogenicity in the higher animals. 
Ann. Missouri Bot. Gard. 3: 243-307. f. I-13. Ap 1916. 
Gile, P. L., & Carrero, J. O. Immobility of iron in the plant. Jour. 
Agr. Research 7: 83-87. 9 O 1916. 
