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Contacts with Darwinism i The Podo
Contacts with Darwinism ii Endemism
The Hollow Curve 88
Contacts with Darwinism iv Adaptation
achene adaptational value Age and Area ancestor anthers appear average become berry big genera Bromeliaceae capsule carpels Caryophyllaceae cent Ceylon climate cotyledons Darwin Dicotyledons difficulty direction divergent mutation dorsiventral drupe endemic species evidence evolution example explain fact family characters favour Fleeming Jenkin flora flowering plants fossil fruit genera genus geographical distribution goes gradual adaptation greater groups hollow curve inflorescence intermediate killed large families large genera larger largest genera largest genus less marked Mollinedia Monimiaceae Monocotyledons morphological mountain natural selection number of species occupied occur opposite leaves ovary Ovule parent perhaps perianth physiological Podostemaceae probably produce range Ranunculaceae Ranunculus relics result Rubiaceae seed seems selectionist sepals shown simple small genera smaller stamens structural characters struggle for existence sub-families suited supposed TEST theory of differentiation theory of natural things tion usually variation variety of conditions Vaud whilst whole whorls widely distributed writer Zealand zygomorphic
Page 202 - ... New Zealand flora. Ann. Bot. xxxn, 1918, p. 339. 65. Endemic Genera in relation to others. Ann. Bot. xxxv, 1921, p. 493. 66. Age and Area. Cambridge, 1922. 67. - Age and Area ; a reply to criticism. Ann. Bot. xxxvn, 1923. 68. Some further Studies in Endemism. Proc. Linn. Soc. CXLVIII, 1935-6, Pt. 2, 27 March 1936, p. 86. 69. Some Conceptions about Geographical Distribution and Origin of Species. Proc. Linn. Soc. CL, 1937-8, Pt. 3, 24 June 1938, p. 162. 70. Some evidence against the theory of...