28 INDEX TO AMERICAN BOTANICAL LITERATURE 
Schmitz, H., & Daniels, A.S. Studiesin wood decay—I. Laboratory 
tests on the relative durability of some western coniferous woods 
with particular reference to those growing in Idaho. School For- 
estry Univ. Idaho Bull. 1: 1-11. Jl 1921. 
Schmitz,H. Studiesin wood decay—If. Enzymeactionin Polyporus 
volvatus Peck and Fomes ignarius (L.) Gillet. Jour. Gen. Physiol. 3: 
795-800. 20 J] 1921. 
Shear, C. L., & Stevens, N. E. (Editors). The correspondence of 
Schweinitz and Torrey. Mem. Torrey Club 16: 119-300. pl. 6, 7. 
16 Jl 1921. 
Sherman, H. Respiration of dormant seeds. Bot. Gaz. 72: 1-30. 
f. 1-4. 16 Jl 1921. 
Soth, M. E. Goat-weed in Idaho. Am. Bot. 27: 70. My 1921. 
Sousa Brito, E.C. de. Algumas plantas uteis do Brasil, 0 hybridismo 
de uma dellas. Arch. Esc. Sup. Agric. e Med. Vet. .4: 25-54. pl. 
10-16. D 1920. 
Stadler, L. J., & Helm, C. A. Corn in Missouri—I. Corn varieties 
and their improvement. Missouri Agr. Exp. Sta. Bull. 181: 1-51. 
Jj. 1-7. Mr 1021. 
Stahel, G. De Sclerotium-ziekte van de Liberiakoffie in Suriname 
veroorzaakt door Sclerotium coffeicolum nov. spec. Dept. Landb. 
Suriname Bull. 42: 1-34. pl. 1-12. Ja 1921. 
Stevens, F. L. The relation of plant pathology to human welfare. 
Am. Jour. Bot. 8: 315-322. 30 Je 1921. 
Stout, A. B. Types of flowers and intersexes in grapes with reference 
to fruit development. New York Agr. Exp. Sta. Techn. Bull. 82: 
1~16. pl. 1-7. Ja 1921. 
Sydow, H. & P. Novae fungorum species—XVI. Ann. Mycol. 18: 
154-160. Ap 1921. 
ncludes new American species in Septobasidium (1), widen dog? (1), Aecidium (1), 
Catacauma (1), Taphrina (1). 
Taubenhaus, J. J. A study of the black and the yellow molds of ear 
corn. Bull. Texas. Agr. Exp. Sta. 270: 3-38. f. 1-10. O 1920. 
Taubenhaus, J. J.. & Mally, F.W. Pink root disease of onions and its 
control in Texas. Texas Agr. Exp. Sta. Bull. 273: I-42. f. f+3.- 
Ja 1921. 
Taylor, W. R. Additions to the flora of ee Desert, Maine. Rhodora 
23: 65-68. 20 Ap Ig2t. 
