350 InpDEx ‘ro AMERICAN BOTANICAL LITERATURE 
Harris, J. A. The measurement of natural selection. Pop. Sci. Mo. 
78: 521-538. f. 1-7. Je 1911. 
Harshberger, J. W. The soil, a living thing. Science II. 33: 741-744. 
12 My 1011. 
_ Harter, L. L. A new species of Alternaria. Mycologia 3: 154, 155. 
3 Je 1911. 
Alternaria Forsythiae Harter described. 
Heller, A. A. Seedlings of Lupinus Tidestromit. Muhlenbergia 7: 
53-55. f.-9, 10. 15 My 1911. 
Hollick, A. Notes on introduced plants collected near Arlington, 
Staten Island. Proc. Staten I. Assoc. 3: 62-65. 2 My IgIl. 
Howe, R. H. American species of Alectoria occurring north of the 
fifteenth parallel. Mycologia 3: 106-150. pl. 41-47. 3 Je 1911. 
Iltis, H. Uber einige bei Zea Mays L. beobachtete Atavismen, ihre 
Verursachung durch den Maisbrand, Ustilago.Maydis DC. (Corda) 
und iiber die Stellung der Gattung Zea im System. Zeits. Induk. 
Abstammungs- und Vererbungslehre 5: 38-57. pl. 2, 3.+f. 1-4. 
Ap I19g11. 
Koehne, E. Die Gliederung von Prunus Subgen. Padus. Abhandl. 
Bot. Ver. Brandenburg 52: 101-108. 
Kunze, R.E. Beitrage zur Kultur einiger Kakteen von Nord-Amerika. 
Monats. Kakteenk. 21: 67, 68. 15 My I9g1lt. 
Lewis, I. M. The development of the spores in Pleurage zygospora. 
Bot. Gaz. 51: 369-373. pl. 19. 17 My IgII. 
Lloyd, F. E. Manufacture of rubber from the guayule plant. Jour. 
N. Y. Bot. Gard. 12: 96, 97. 31 My tog1t. 
Lloyd, F. E. An unusual pine. Jour. N. Y. Bot. Gard. 12: 98-102. 
J. 24,25. at My 16, 
Lorenz, A. New hepatics. Vermont Bot. Club Bull. 6:15. Ap 1911. 
Lukens, T. P. The Sequoias. Jour. Geogr. 9: 268-270. Je I9II. 
Marshall, F. R. The relation of biology to agriculture. Pop. Sci. 
Mo. 78: 539-553. Je 1911. 
Miller, E. C. The origin of the chloroplasts in the cotyledons of 
Helianthus annuus. Bot. Gaz. 51: 378-384. pl. 2r. 17 My Io!Il. 
Murrill, W. A. Illustrations of fungi—VIII. Mycologia 3: 97-105. 
pl. go. 3 Je 1911. 
Includes descriptions and illustrations of Omphalia Volkertii, Inocybe Loril- 
lardiana, I. Astoriana, I, abundans, and Campanularius semiglobatus spp. nov. 
