612 INDEX TO AMERICAN BOTANICAL LITERATURE 
Bateson, W. Practical aspects of the new discoveries in heredity. 
Mem. Hort. Soc. N. ¥. £1: 1-8. [1904.] 
Beach, S. A. Correlation between different parts of the plant in form, 
color, size and other characteristics. Mem. Hort. Soc. N. Y. 1: 
63-67. [1904.] 
Berry, E.W. Two-bracted dogwood. Torreya,4: 104. 21 Jl 1904. 
Bessey, C. E. Botanical notes. Science, II. 20: 118, 119. 22 Jl 
1904. 
number and weight of cottonwood seeds; weight of dandelion down: tendrils 
of the Virginia creeper. 
Bessey, C. E. Botanical Notes. Science, II. 20: 217, 218. 12 Au 
1904. 
Ecological plant studies ; animals in the plant kingdom; etc. 
Bicknell, E. P. Studies in Sisyrinchium—X. The species of Cali- 
fornia. Bull. Torrey Club, 31: 379-391. 29 Jl 1904. 
With descriptions of 5 new species. 
Billings, F.H. A study of Zi//andsia usneoides. Bot. Gaz. 38: 99- 
121. pl. 8-rr1+f. 7. 18 Au 1904. 
Blakeslee, A. F. Zygospore formation a sexual process. Science, Il. 
19: 864-866. 3 Je I1g04. 
Booth, N. 0. A study of grape pollen and what the results indicate. 
Mem. Hort. Soc. N. Y. 1: 243-249. [1904.] 
Britton, E.G. Further notes on Sematophyllum. Bryologist, 7: 59- 
61. 1 Jl 1904. 
Britton, E.G. Notes on nomenclature, III. Bryologist, 7: 48-59 
2 My 1904. 
Britton, N.L. Savia bahamensis sp. nov. Torreya, 4: 104, 105: 
21 Jl 1904. 
Britton, N. L. The tropical station at Cinchona, Jamaica. Pop. Sci- 
Mo. 64: 427-430. Mr 1904.  [Illust.] 
Britton, N. L. An undescribed species of A/mus. Torreya, 4: 124+ 
27 Au 1904. 
A. noveboracensis sp. nov. 
Burbank, L. Some of the fundamental principles of plant breeding- 
Mem. Hort. Soc. N. Y. 1: 35-39. [1904.] 
Burbidge, F. W. Hybridism zs. selection. Mem. Hort. Soc. N. Y. 
I: 231-234. [1904.] 
Cannon, W. A. Observations on the germination of Phoradendron 
villosum and P. californicum. Bull. Torrey Club, 31: 435-443: 
f. 1-6. 26 Au 1904. 
