TRENDS IN SYSTEMATIC BOTANY
107
Turesson, G. 1922. The genotypic response of the plant species to the habitat.
Hereditas 3: 211-350.
Turesson, G. 1929. Zur Natur und Begrenzung der Arteinheiten. Hereditas 12:
323-334.
Turrill, W. B. 1942. Taxonomy and phylogeny. Botan. Rev. 8: 247-270, 473-532,
655-707.
Turrill, W. B. 1950. Modern trends in the classification of plants. Advancement
of Sei. (Preprint) No. 26: 1-16.
U, Nagaharu. 1935. Genome analysis in Brassica with special reference to the experimental formation of B. napus and peculiar mode of fertilization. Japan. J.
Botany 7: 389-452.
Uhl, C. H. 1948. Cytotaxonomic studies in the subfamilies Crassuloideae, Kalanchoideae, and Cotyledonoideae of the Crassulaceae. Am. J. Botany 35: 695-706.
Valentine, D. H. 1949. The units of experimental taxonomy. Acta Biotheoretica
Leiden 9: 75-88.
Valentine, D. H. 1950. The experimental taxonomy of two species of Viola. New
Phytologist 49: 193-212.
Wagenitz, G. 1955. Pollenmorphologie und Systematik in der Gattung Centaurea
L. s. 1. Flora 142: 213-279.
Wagner, W. H., Jr. 1954. Reticulate evolution in the Appalachian Aspleniums.
Evolution 8: 103-118.
Warburg, E. F. 1938. Taxonomy and relationship in the Geraniales in the light
of their cytology. New Phytologist 37: 130-159, 189-210.
Ward, G. H. 1953. Artemisia, section Seriphidium, in North America, a cytotaxonomic study. Contribs. Dudley Herb. 4: 155-205.
Wetmore, R. H., and Delisle, A. L. 1939. Studies in the genetics and cytology of
two species in the genus Aster. Am. J. Botany 26: 1-12.
Wilkinson, J. 1944. The cytology of Salix in relation to its taxonomy. Ann.
Botany (London) [N.S.] 8: 269-284.
Zahn, Κ. Η. 1921-1923. Comipositae-H ieracium. Pflanzenreich IV. 208: 1-1705.
Zappettini, G. 1953. The taxonomy of Halogeton glomeratus. Am. Midland
Naturalist 50: 238-247.
107
Turesson, G. 1922. The genotypic response of the plant species to the habitat.
Hereditas 3: 211-350.
Turesson, G. 1929. Zur Natur und Begrenzung der Arteinheiten. Hereditas 12:
323-334.
Turrill, W. B. 1942. Taxonomy and phylogeny. Botan. Rev. 8: 247-270, 473-532,
655-707.
Turrill, W. B. 1950. Modern trends in the classification of plants. Advancement
of Sei. (Preprint) No. 26: 1-16.
U, Nagaharu. 1935. Genome analysis in Brassica with special reference to the experimental formation of B. napus and peculiar mode of fertilization. Japan. J.
Botany 7: 389-452.
Uhl, C. H. 1948. Cytotaxonomic studies in the subfamilies Crassuloideae, Kalanchoideae, and Cotyledonoideae of the Crassulaceae. Am. J. Botany 35: 695-706.
Valentine, D. H. 1949. The units of experimental taxonomy. Acta Biotheoretica
Leiden 9: 75-88.
Valentine, D. H. 1950. The experimental taxonomy of two species of Viola. New
Phytologist 49: 193-212.
Wagenitz, G. 1955. Pollenmorphologie und Systematik in der Gattung Centaurea
L. s. 1. Flora 142: 213-279.
Wagner, W. H., Jr. 1954. Reticulate evolution in the Appalachian Aspleniums.
Evolution 8: 103-118.
Warburg, E. F. 1938. Taxonomy and relationship in the Geraniales in the light
of their cytology. New Phytologist 37: 130-159, 189-210.
Ward, G. H. 1953. Artemisia, section Seriphidium, in North America, a cytotaxonomic study. Contribs. Dudley Herb. 4: 155-205.
Wetmore, R. H., and Delisle, A. L. 1939. Studies in the genetics and cytology of
two species in the genus Aster. Am. J. Botany 26: 1-12.
Wilkinson, J. 1944. The cytology of Salix in relation to its taxonomy. Ann.
Botany (London) [N.S.] 8: 269-284.
Zahn, Κ. Η. 1921-1923. Comipositae-H ieracium. Pflanzenreich IV. 208: 1-1705.
Zappettini, G. 1953. The taxonomy of Halogeton glomeratus. Am. Midland
Naturalist 50: 238-247.