INDEX TO AMERICAN BOTANICAL LITERATURE 137 
Margolin, L. Eucalyptus culture in Hawaii. Hawaii Board Agr. 
& Forest. Div. Forest. Bull. 1: 1-80, pl. I-I2. 1911. 
Maxon, W. R. Notes on American ferns—VIII. Fern Bull. 19: 67- 
70. [Ja 1912.] 
Maxon, W. R. Notes on the North American species of Phanero- 
phiebia. Bull. Torrey Club 39: 23-28. 10.F 1912. 
axon, W. R. The relationship of Asplenium Andrewsii. Contr. U. 
S. Nat. Herb. 16: 1-3. pl. 1, 2. 13 F 1912. 
Melhus, I. E. Experiments on spore germination and infection in 
certain species of Oomycetes. Univ. Wisconsin Agr. Exp. Sta. 
Research Bull. 15: 25-91. pl. I-10. Je 19K1. : 
Mell, C. D. A confusion of technical terms in the study of wood 
Structure. Forest. Quart. 9: 574-576. D 1911. 
Miiller, K. Zur Ausbreitungsgeschichte des amerikanischen Stachel- 
beermehltaus in Baden und einige Bemerkungen iiber den Eichen- 
blattmehltau. Zeits. Pflanzenkrankheiten 21: 449-454. 30 D 1911. 
Murrill, W. A. Collecting fungi on the Pacificcoast. Jour. N. Y. Bot. 
Gard. 13: 1-14. bl. 85-90. Ja 1912. 
Newlon, L.M. Conditions which affect the branching of roots. Rep. 
Michigan Acad. Sci. 13: 200. I9QII. 
Norton, J.B. S., & White, T. H. Rose mildew. Maryland Agr. Exp. 
Sta. Bull. 156: 73-80, f. 1-6. S 1911. 
Osterhout, W. J. V. The permeability of protoplasm to ions and the 
theory of antagonism. Science II. 35: 112-115. 19 Ja 1912. 
Otis, C. H. Measuring the tr I of emersed water plants. Rep. 
Michigan Acad. Sci. 13: 250-253. f. z, 2. 1911. [Illust.] 
wen, E. J. Inheritance studies with beans. Rep. Bot. Dept. New 
Jersey Agr. Coll. Exp. Sta. 1910: 277-281. pl. 25. 1911. 
mteee, G. A. The influence of age and condition of the tree upon 
seed production in western yellow pine. U.S. Forest Serv. Circ. 
196: 3-11. 13 Ja 1912. 
Radlkofer, L., & Rock, J. F. New and noteworthy Hawaiian plants. 
Hawaii Board Agr. & Forest. Div. Forest. Bot. Bull. 1: 1-14. pl. 
I-~6,. Storr. 
Four new species described. 
Richards, H. M. Botany in the college course. Educational Rev. 
42° 375-387. N ror1. 
Shamel, AbD cA study of the improvement of citrus fruits through 
bud Selection.’ U. S. Dept. Agr. Plant Ind. Circ. 77: 1-19. f. 1-5. 
2 Je ort, 
Shull, es. Genotypes,” “ biotypes,” ‘‘ pure lines ’’ and ‘ clones.” 
Science II. 35: 27-29. 5 Ja 1912. 
